Sunnyvale, California, United States of America: What to pack, what to wear, and when to go [2024]

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Ready to pack for Sunnyvale, California, United States of America? If you're planning to go to Sunnyvale, here is some important information about when to go, what to wear, and what to pack.

Contents

When to go to Sunnyvale, California, United States of America

Based on the climate and weather in Sunnyvale, California, United States of America, the best time to go is August. See below for details.

What to wear/what to pack for Sunnyvale, California, United States of America

Already know when you're traveling?

Here are some general tips on what to wear in Sunnyvale, as well as several items to remember to pack when traveling there.

What to wear/what to pack for Sunnyvale, California, United States of America by month

January

January in Sunnyvale can be chilly. The average overnight temperatures in the area are in the low 40s F (single digits C). But the colder weather doesn't bring low humidity, which is in the 60% to 70% range on average.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • AirTag to track your luggage

    With airlines always losing things nowadays, an AirTag can help you locate it anywhere in the world: AirTag for iPhones.

  • Anti-theft backpack

    For a bit of peace of mind, an anti-theft backpack protects your things.

  • Voice and data SIM card

    A SIM card that works in Sunnyvale. A good global SIM card works in most countries, but check the country list before buying.

Comfort + Essentials

  • Travel neck support pillow

    An excellent option is this one

  • Power bank for devices

    A portable power bank, like this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Voltage step down adapter

    A plug adapter that supports outlet types A and B. Check that you pick the correct type. The majority of adapters on sale are simply plugs and expect your electronics to change the voltage themselves. If your electronics can't do that they could burn up. This one is sufficent for most countries.

  • Luggage scale to avoid fees

    Airlines charge excessive penalties for overweight luggage. Save money with this

If you go to Sunnyvale Heritage Park and Museum, you'll probably do a lot of walking. These are a must:

February

If you are traveling to Sunnyvale in February, you will notice that it is relatively cool. Expect it to rain regularly. Daytime temperatures are in the low 60s F (high 10s C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

  • AirTag to track your luggage

    With airports constantly losing bags nowadays, an AirTag can find it anywhere in the world: AirTag for iPhones.

  • Anti-theft backpack

    For a bit of peace of mind, an anti-theft backpack protects your stuff.

  • Voice and data SIM card

    A SIM card that works in Sunnyvale. A good global SIM card works in most countries, but check the country list before buying.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

Comfort + Essentials

  • Luggage scale to avoid fees

    Airlines charge large penalties for overweight luggage. Avoid surcharges with this

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Voltage step down adapter

    A plug adapter that supports outlet types A and B. Take care to find the necessary type. The majority of adapters available are just plug changers and require your electronics to adjust the voltage themselves. If yours can't do that they could burn up. This one should be sufficient for most places.

  • Power bank for devices

    A portable power bank, like this one

  • Travel neck pillow

    A good option is this one

If you go to Sunnyvale Heritage Park and Museum, you'll probably do a lot of walking. These are a must:

March

If you visit Sunnyvale during March, you might find that it is crisp. Temperatures tend to hover around the 60s F (high 10s C) during the day, while at night they can dip into the high 40s F (single digits C). Humidity is generally between 50 and 60% during the day. In terms of precipitation, you can expect it to rain 5-10 days this month.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

  • AirTag to track your luggage

    With airports frequently losing things nowadays, an AirTag can help you locate it anywhere anywhere: AirTag for iPhones.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Voice and data SIM card

    A SIM card that works in Sunnyvale. A good global SIM card works in most countries, but check the country list before buying.

  • Anti-theft backpack

    For a bit of protection, an anti-theft backpack protects your stuff.

Comfort + Essentials

  • Luggage scale to avoid fees

    Airlines charge huge prices for overweight luggage. Avoid surcharges with this

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Power bank for devices

    A portable power bank, like this one

  • Travel voltage adapter

    A plug adapter that supports outlet types A and B. Take care to choose the necessary type. A lot of adapters currently sold are just plugs and expect your electronics to adjust the voltage themselves. If your electronics can't do that they could get fried. This one should be sufficient for most countries.

  • Travel pillow

    What we like is this one

If you go to Sunnyvale Heritage Park and Museum, you'll probably do a lot of walking. These are a must:

April

April in Sunnyvale is balmy. The average overnight temperatures in the area are in the high 40s F (single digits C). With the colder weather comes lower humidity, which is in the 50% to 60% range on average.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

  • Anti-theft backpack

    For a bit of peace of mind, an anti-theft backpack protects your stuff.

  • AirTag to track your luggage

    With airlines repeatedly losing luggage these days, an AirTag can help you locate it anywhere on earth: AirTag for iPhones.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Voice and data SIM card

    A SIM card that works in Sunnyvale. A good global SIM card works in most countries, but check the country list before buying.

Comfort + Essentials

  • Power bank for devices

    A portable power bank, like this one

  • Luggage scale to avoid fees

    Airlines charge large prices for overweight luggage. Avoid penalties with this

  • Travel voltage adapter

    A plug adapter that supports outlet types A and B. Make sure to choose the necessary kind. The vast majority of adapters currently being sold are just plug changers and expect your devices to adjust the voltage themselves. If your devices can't do that they could get destroyed. This one works in most areas.

  • Travel pillow

    A good option is this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

If you go to Sunnyvale Heritage Park and Museum, you'll probably do a lot of walking. These are a must:

May

May is mild and dry with little rain. Temperatures average in the low 70s F (low 20s C) during the day.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

  • AirTag to track your luggage

    With airlines constantly losing luggage recently, an AirTag can help you locate it anywhere in the world: AirTag for iPhones.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Voice and data SIM card

    A SIM card that works in Sunnyvale. A good global SIM card works in most countries, but check the country list before buying.

  • Anti-theft backpack

    For a bit of peace of mind, an anti-theft backpack protects your things.

Comfort + Essentials

  • Power bank for devices

    A portable power bank, like this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Voltage adapter

    A plug adapter that supports outlet types A and B. It's important that you get the necessary type. Most adapters currently available are just plug changers and require your devices to adjust the voltage themselves. If your electronics can't do that they could get fried. This one should work in most countries.

  • Luggage scale to avoid fees

    Airlines charge huge prices for overweight luggage. Avoid penalties with this

  • Travel pillow

    Our fave is this one

If you go to Sunnyvale Heritage Park and Museum, you'll probably do a lot of walking. These are a must:

June

If you vacation in Sunnyvale during June, you are likely to see that it is a perfect temperature and very dry with almost no rain. Temperatures tend to hover around the 70s F (mid 20s C) during the day, while at night they can dip into the high 50s F (mid 10s C). Humidity is generally between 50 and 60% during the day.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

  • AirTag to track your luggage

    With airlines constantly losing bags nowadays, an AirTag can help you locate it anywhere anywhere: AirTag for iPhones.

  • Voice and data SIM card

    A SIM card that works in Sunnyvale. A good global SIM card works in most countries, but check the country list before buying.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Anti-theft backpack

    For a bit of peace of mind, an anti-theft backpack protects your belongings.

Comfort + Essentials

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Luggage scale to avoid fees

    Airlines charge huge amounts for overweight luggage. Save money with this

  • Power bank for devices

    A portable power bank, like this one

  • Travel pillow

    A great choice is this one

  • Travel voltage adapter

    A plug adapter that supports outlet types A and B. It's important that you choose the correct kind. The vast majority of adapters for sale now are just plug changers and require your devices to adjust the voltage themselves. If your electronics can't do that they could get fried. This one should be sufficient for most areas.

If you go to Sunnyvale Heritage Park and Museum, you'll probably do a lot of walking. These are a must:

July

If you vacation in Sunnyvale during July, you might see that it is a perfect temperature and very dry with almost no rain. Temperatures tend to hover around the high 70s F (mid 20s C) during the day, while at night they can dip into the high 50s F (mid 10s C). Humidity is generally between 50 and 60% during the day.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

  • AirTag to track your luggage

    With airports frequently losing luggage these days, an AirTag can help you find it anywhere anywhere: AirTag for iPhones.

  • Voice and data SIM card

    A SIM card that works in Sunnyvale. A good global SIM card works in most countries, but check the country list before buying.

  • Anti-theft backpack

    For a little peace of mind, an anti-theft backpack protects your things.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

Comfort + Essentials

  • Luggage scale to avoid fees

    Airlines charge huge penalties for overweight luggage. Avoid penalties with this

  • Power bank for devices

    A portable power bank, like this one

  • Travel neck pillow

    A versatile choice is this one

  • Voltage adapter

    A plug adapter that supports outlet types A and B. Ensure that you get the right type. Many adapters on sale are just plugs and require your devices to convert the voltage themselves. If your devices can't do that they could get fried. This one works in most countries.

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

If you go to Sunnyvale Heritage Park and Museum, you'll probably do a lot of walking. These are a must:

August

If you visit Sunnyvale during August, you are likely to see that it is a perfect temperature and very dry with almost no rain. Temperatures tend to hover around the high 70s F (mid 20s C) during the day, while at night they can dip into the high 50s F (mid 10s C). Humidity is generally between 50 and 60% during the day.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

  • AirTag to track your luggage

    With airlines repeatedly losing things nowadays, an AirTag can locate it anywhere on earth: AirTag for iPhones.

  • Voice and data SIM card

    A SIM card that works in Sunnyvale. A good global SIM card works in most countries, but check the country list before buying.

  • Anti-theft backpack

    For a little peace of mind, an anti-theft backpack protects your things.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

Comfort + Essentials

  • Travel voltage adapter

    A plug adapter that supports outlet types A and B. Ensure that you pick the right kind. The majority of adapters on sale are simply plugs and expect your devices to adjust the voltage themselves. If your devices can't do that they could get fried. This one works in most locations.

  • Luggage scale to avoid fees

    Airlines charge excessive prices for overweight luggage. Avoid surcharges with this

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Travel neck support pillow

    A top rated pillow is this one

  • Power bank for devices

    A portable power bank, like this one

If you go to Sunnyvale Heritage Park and Museum, you'll probably do a lot of walking. These are a must:

September

If you are traveling to Sunnyvale in September, you will notice that it is warm and very dry with almost no rain. Daytime temperatures are in the high 70s F (mid 20s C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

  • Anti-theft backpack

    For a bit of peace of mind, an anti-theft backpack protects your belongings.

  • Voice and data SIM card

    A SIM card that works in Sunnyvale. A good global SIM card works in most countries, but check the country list before buying.

  • AirTag to track your luggage

    With airports frequently losing bags these days, an AirTag can find it anywhere on earth: AirTag for iPhones.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

Comfort + Essentials

  • Luggage scale to avoid fees

    Airlines charge huge prices for overweight luggage. Avoid penalties with this

  • Travel neck pillow

    Our favorite is this one

  • Voltage step down adapter

    A plug adapter that supports outlet types A and B. Ensure that you find the correct kind. The vast majority of adapters on sale are simply plugs and require your devices to convert the voltage themselves. If your electronics can't do that they could get fried. This one is sufficent for most locations.

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Power bank for devices

    A portable power bank, like this one

If you go to Sunnyvale Heritage Park and Museum, you'll probably do a lot of walking. These are a must:

October

October for Sunnyvale is warm and dry with little rain. Temperatures average in the low 70s F (low 20s C) during the day. It rains once in a while.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

  • AirTag to track your luggage

    With airlines always losing luggage recently, an AirTag can locate it anywhere anywhere: AirTag for iPhones.

  • Voice and data SIM card

    A SIM card that works in Sunnyvale. A good global SIM card works in most countries, but check the country list before buying.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Anti-theft backpack

    For a little peace of mind, an anti-theft backpack protects your belongings.

Comfort + Essentials

  • Luggage scale to avoid fees

    Airlines charge huge amounts for overweight luggage. Avoid penalties with this

  • Travel neck support pillow

    Our favorite is this one

  • Voltage adapter

    A plug adapter that supports outlet types A and B. Be sure to get the necessary kind. The majority of adapters currently sold are simply plug changers and expect your devices to adjust the voltage themselves. If your electronics can't do that they could get destroyed. This one should be appropriate for most countries.

  • Power bank for devices

    A portable power bank, like this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

If you go to Sunnyvale Heritage Park and Museum, you'll probably do a lot of walking. These are a must:

November

If you vacation in Sunnyvale during November, you will probably notice that it is balmy. Temperatures tend to hover around the 60s F (high 10s C) during the day, while at night they can dip into the high 40s F (single digits C). Humidity is generally between 50 and 60% during the day. In terms of precipitation, you can expect it to rain 5-10 days this month.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

  • Voice and data SIM card

    A SIM card that works in Sunnyvale. A good global SIM card works in most countries, but check the country list before buying.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Anti-theft backpack

    For a little protection, an anti-theft backpack protects your things.

  • AirTag to track your luggage

    With airports frequently losing things these days, an AirTag can help you find it anywhere on earth: AirTag for iPhones.

Comfort + Essentials

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Travel voltage adapter

    A plug adapter that supports outlet types A and B. Ensure that you get the correct kind. A lot of adapters currently being sold are simply plugs and expect your devices to adjust the voltage themselves. If yours can't do that they could burn up. This one should work in most areas.

  • Travel neck pillow

    Our fave is this one

  • Power bank for devices

    A portable power bank, like this one

  • Luggage scale to avoid fees

    Airlines charge large amounts for overweight luggage. Save money with this

If you go to Sunnyvale Heritage Park and Museum, you'll probably do a lot of walking. These are a must:

December

December in Sunnyvale is cool. The rain can amount to several inches/centimeters. During this time, temperatures average in the low 50s F (low 10s C) to high 50s F (mid 10s C), although night temperatures can dip into the low 40s F (single digits C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

  • Voice and data SIM card

    A SIM card that works in Sunnyvale. A good global SIM card works in most countries, but check the country list before buying.

  • Anti-theft backpack

    For a little peace of mind, an anti-theft backpack protects your stuff.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • AirTag to track your luggage

    With airports frequently losing things recently, an AirTag can help you locate it anywhere anywhere: AirTag for iPhones.

Comfort + Essentials

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Power bank for devices

    A portable power bank, like this one

  • Luggage scale to avoid fees

    Airlines charge huge amounts for overweight luggage. Avoid surcharges with this

  • Travel pillow

    An excellent option is this one

  • Travel voltage adapter

    A plug adapter that supports outlet types A and B. Be sure to pick the right kind. The majority of adapters on sale are simply plug changers and require your devices to convert the voltage themselves. If your electronics can't do that they could burn up. This one is sufficent for most countries.

If you go to Sunnyvale Heritage Park and Museum, you'll probably do a lot of walking. These are a must:

What to do in Sunnyvale, California, United States of America

Sunnyvale, California is one of the most vibrant and dynamic cities in the United States. With an amazing range of attractions and activities, it has something for everyone. Whether you're looking for natural beauty, cultural experiences, or family fun, Sunnyvale is the perfect destination. Here are some of the top tourist attractions that you must visit when in Sunnyvale.

1) California's Great America: This amusement park is an excellent place to visit for families and people of all ages. With a variety of thrilling rides, live entertainment shows, and delicious food options, it is an amusement park that is worth visiting.

2) Sunnyvale Farmers Market: You simply can't visit Sunnyvale without checking out the farmers market. Held weekly in the downtown area, it's a great place to buy fresh, locally-grown produce, flowers, and artisanal goods.

3) Baylands Park: This nature park is a peaceful retreat from the bustle of city life. With over 70 acres of wetlands, trails, and wildlife, it's a perfect place for a hike, picnic or just a relaxing day outdoors.

4) Sunnyvale Art Gallery: The art gallery is a great place that showcases the work of local artists. It's a perfect place to spend an afternoon while exploring the best of the local art scene.

5) The Lace Museum: The Lace Museum is a hidden gem in Sunnyvale. It features unique exhibits that celebrate the craft of lace-making and its history. It's an ideal place to learn about the intricate and delicate artistry of lace-makers.

6) Sunnyvale Public Library: Even if you're not interested in reading books, the stunning architecture and design of this library make it a worthwhile visit. It's a perfect place to spend some quiet time and enjoy the peaceful atmosphere.

7) Heritage Park Museum: The Heritage Park Museum is a little-known attraction in Sunnyvale that showcases the history of the region. Located in the heart of the city, it's an excellent way to learn about the rich history of the area.

Sunnyvale is a city that truly has something for every type of traveler. With its rich cultural scene, natural wonders, and family-friendly activities, it is a destination that is not to be missed. Whether you are interested in history, art, or just soaking up some sunny California vibes, Sunnyvale has the perfect attractions to keep you captivated.

About your travel guide

Hi! I'm Dev. I've traveled all over the world and in my travels, I have made many packing lists. In this series, my team and I have compiled the most useful information, as well as things we couldn't live without, to help you plan your trip.

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