San Francisco International Airport, California, United States of America: What to pack, what to wear, and when to go [2022]
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Traveling to San Francisco International Airport, California, United States of America? If you're planning to go to San Francisco International Airport, here is some important information about when to go, what to wear, and what to pack.
Contents
- When to go to San Francisco International Airport
- Important essentials for San Francisco International Airport
- Activities for San Francisco International Airport
- San Francisco International Airport in January: weather and what to pack
- San Francisco International Airport in February: weather and what to pack
- San Francisco International Airport in March: weather and what to pack
- San Francisco International Airport in April: weather and what to pack
- San Francisco International Airport in May: weather and what to pack
- San Francisco International Airport in June: weather and what to pack
- San Francisco International Airport in July: weather and what to pack
- San Francisco International Airport in August: weather and what to pack
- San Francisco International Airport in September: weather and what to pack
- San Francisco International Airport in October: weather and what to pack
- San Francisco International Airport in November: weather and what to pack
- San Francisco International Airport in December: weather and what to pack

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.
When to go to San Francisco International Airport, California, United States of America
Based on the climate and weather in San Francisco International Airport, the best time to go is July. See below for details.
Important essentials for San Francisco International Airport, California, United States of America
Here are some general tips on what to wear in San Francisco International Airport, as well as several items to remember to pack when traveling there.
COVID-19 ESSENTIALS FOR 2022
Travel insurance that includes COVID-19 coverage
Cases are climbing again, and areas are returning to lockdown. If you or a companion get COVID-19, you may be stuck with no way home -- but travel insurance can protect you. Learn more about COVID-19 and travel insurance
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N95 masks
These N95 masks provide the best level of COVID-19 protection available.
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Travel disinfecting wipes
Use these to sanitize plane and hotel surfaces.
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Touchless thermometer
A touchless thermometer is important to have.
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A vaccine card protector
Vaccine cards often become worn. An unreadable vaccine card can cause severe consequences. This vaccine card protector helps avoid that.
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Hand sanitizer
This hand sanitizer is an excellent TSA-friendly choice.
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Kids' KN95 masks
N95 masks don't exist for kids. These are a good alternative (and can also be used by adults if N95 masks are not available).
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(U.S. Residents) Telehealth COVID-19 test for entry to U.S.
U.S. residents still need a certified COVID-19 test to return home, but it can now be via Zoom. Learn more
General health necessities
Don't forget these
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For families with young children
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Airplane or car necessities
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Voice and data SIM card
A SIM card that works in San Francisco International Airport. A good global SIM card works in most countries, but check the country list before buying.
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Power bank for devices
A portable power bank, like this one
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Money/passport pouch
A money pouch is vital for protecting your passport and credit cards.
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Plug adapter
A plug adapter that supports outlet types A and B. This one is sufficent for most countries, but check with your hotel.
What to wear/what to pack for San Francisco International Airport, California, United States of America by month
Already know when you're traveling?
January
January in San Francisco International Airport is cool and somewhat rainy. The average overnight temperatures in the area are in the low 40s F (single digits C). It tends to rain a bit less than half of the time. 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:
-
Light and heavy skirts
-
Extra socks
-
Long sleeve shirts or blouses
-
Standard footwear
-
Dresses
-
Pants or jeans
-
Light jacket or fleece
-
A rain coat to layer with a coat
-
100% waterproof footwear
We suggest rain boots:
-
Rain pants
These will be essential in a storm.
-
Waterproof phone bag
-
Wind resistant umbrella
This one is a perfect choice.
-
Waterproof bag/luggage cover
So your belongings stay dry. We recommend:
February
February in San Francisco International Airport is relatively cool and somewhat rainy. 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 30s F (single digits C).
What to wear/what to pack:
-
Standard footwear
-
Extra socks
-
Light and heavy skirts
-
Pants or jeans
-
Dresses
-
Light jacket or fleece
-
Long sleeve shirts or blouses
-
A rain poncho to layer with a coat
-
100% waterproof footwear
We use these rain boots:
-
Rain pants
These pants are essential in a storm.
-
Waterproof phone bag
-
Windproof umbrella
This one is a perfect option.
-
Waterproof bag/luggage cover
So your suitcases don't get wet. We suggest:
March
If you visit San Francisco International Airport during March, you are likely to notice that it is crisp and somewhat rainy. Temperatures tend to hover around the low 60s F (mid 10s C) during the day, while at night they can dip into the 40s F (single digits C). Humidity is generally between 60 and 70% during the day. In terms of precipitation, you can expect it to rain about a third of the time.
What to wear/what to pack:
-
Standard footwear
-
Dresses
-
Light jacket or fleece
-
Extra socks
-
Light and heavy skirts
-
Pants or jeans
-
Long sleeve shirts or blouses
-
A rain poncho to layer with a jacket
-
100% waterproof footwear
We recommend these rain boots:
-
Rain pants
Rain pants can be vital in a storm.
-
Waterproof phone bag
-
Umbrella
This one is a perfect choice.
-
Waterproof bag/luggage cover
So your things stay dry. We recommend:
April
April in San Francisco International Airport is chilly. The average overnight temperatures in the area are in the high 40s F (single digits C). It tends to rain occasionally. 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:
-
Pants or jeans
-
Standard footwear
-
Long sleeve shirts or blouses
-
Light jacket or fleece
-
Light and heavy skirts
-
Extra socks
-
Dresses
-
A rain jacket to layer with another jacket
-
100% waterproof footwear
We suggest these rain boots:
-
Rain pants
Rain pants are essential in a rainstorm.
-
Waterproof phone bag
-
Windproof umbrella
This one is a great choice.
-
Waterproof bag/luggage cover
So your bags remain dry. We like:
May
If you vacation in San Francisco International Airport during May, you may see that it is mild and dry with little rain. Temperatures tend to hover around the high 60s F (high 10s C) during the day, while at night they can dip into the low 50s F (low 10s C). Humidity is generally between 60 and 70% during the day.
What to wear/what to pack:
-
Light and heavy skirts
-
Dresses
-
Extra socks
-
Standard footwear
-
Long sleeve shirts or blouses
-
Pants or jeans
-
Light jacket or fleece
-
A rain poncho to layer with another jacket
-
100% waterproof footwear
We suggest rain boots:
-
Rain pants
These can be a lifesaver in a rainstorm.
-
Waterproof phone bag
-
Wind resistant umbrella
This one is a perfect option.
-
Waterproof bag/luggage cover
So your things remain dry. We recommend:
June
If you visit San Francisco International Airport during June, you might find that it is mild and very dry with almost no rain. Temperatures tend to hover around the low 60s F (low 20s C) during the day, while at night they can dip into the low 50s F (low 10s C). Humidity is generally around 60 during the day.
What to wear/what to pack:
July
If you go to San Francisco International Airport in July, you will notice that it is mild and very dry with almost no rain. Daytime temperatures are in the low 70s F (low 20s C).
What to wear/what to pack:
-
Bug repellent
-
Sunscreen lotion
-
Light skirts
-
Sandals
-
Extra socks
-
Short pants or heavy shorts
-
Light dresses
You can find some great options here
-
Breathable footwear or sandals
-
Long and short sleeve shirts
August
If you are traveling to San Francisco International Airport in August, you will notice that it is balmy and very dry with almost no rain. Daytime temperatures are in the low 70s F (low 20s C).
What to wear/what to pack:
-
Long and short sleeve shirts
-
Short pants or heavy shorts
-
Sandals
-
Light dresses
You can find some great options here
-
Bug repellent
-
Breathable footwear or sandals
-
Light skirts
-
Sunscreen lotion
-
Extra socks
September
Traveling to San Francisco International Airport in September, you will notice that it is a perfect temperature and very dry with almost no rain. Daytime temperatures are in the 70s F (low 20s C).
What to wear/what to pack:
-
Sunscreen lotion
-
Short pants or heavy shorts
-
Bug repellent
-
Long and short sleeve shirts
-
Extra socks
-
Breathable footwear or sandals
-
Light dresses
You can find some great options here
-
Sandals
-
Light skirts
October
If you visit San Francisco International Airport during October, you might find that it is mild and dry with little rain. Temperatures tend to hover around the low 70s F (low 20s C) during the day, while at night they can dip into the low 50s F (low 10s C). Humidity is generally around 60 during the day. In terms of precipitation, you can expect it to rain occasionally.
What to wear/what to pack:
-
Light dresses
You can find some great options here
-
Short pants or heavy shorts
-
Extra socks
-
Light skirts
-
Sandals
-
Long and short sleeve shirts
-
Breathable footwear or sandals
-
Bug repellent
-
Sunscreen lotion
-
A rain jacket to layer with a coat
-
100% waterproof footwear
We use these rain boots:
-
Rain pants
These can be vital in a storm.
-
Waterproof phone bag
-
Wind resistant umbrella
This one is an excellent one to buy.
-
Waterproof bag/luggage cover
So your belongings stay dry. We recommend:
November
November for San Francisco International Airport can be chilly. Temperatures average in the low 60s F (high 10s C) during the day. It rains a bit less than half of the time.
What to wear/what to pack:
-
Standard footwear
-
Extra socks
-
Light and heavy skirts
-
Long sleeve shirts or blouses
-
Light jacket or fleece
-
Dresses
-
Pants or jeans
-
A rain poncho to layer with a jacket
-
100% waterproof footwear
We recommend rain boots:
-
Rain pants
These can be vital in heavy rain.
-
Waterproof phone bag
-
Wind resistant umbrella
This one is an excellent one to buy.
-
Waterproof bag/luggage cover
So your things don't get wet. We recommend:
December
December in San Francisco International Airport is relatively cool and somewhat rainy. The average overnight temperatures in the area are in the low 40s F (single digits C). It tends to rain 5-10 days this month. 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:
-
Pants or jeans
-
Long sleeve shirts or blouses
-
Standard footwear
-
Light and heavy skirts
-
Dresses
-
Light jacket or fleece
-
Extra socks
-
A rain poncho to layer with a coat
-
100% waterproof footwear
We like rain boots:
-
Rain pants
These will be essential in a storm.
-
Waterproof phone bag
-
Wind resistant umbrella
This one is a great option.
-
Waterproof bag/luggage cover
So your belongings stay dry. We like:
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