Leiden, Netherlands: What to pack, what to wear, and when to go [2022]

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Traveling to Leiden, Netherlands? If you're planning to go to Leiden, I've got some important information about when to go, what to wear, and what to pack.

Contents

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 Leiden, Netherlands

Based on the climate and weather in Leiden, the best time to go is August. See below for details.

Important essentials for Leiden, Netherlands

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

What to wear/what to pack for Leiden, Netherlands by month

Already know when you're traveling?

January

If you visit Leiden during January, you will probably see that it can be very chilly and extremely rainy. Temperatures tend to hover around the low 40s F (single digits C) during the day, while at night they can dip into the 30s F (single digits C). Humidity is generally between 80 and 90% during the day. In terms of precipitation, you can expect it to rain most days and snow occasionally.

What to wear/what to pack:

Clothes + Footwear
Health Essentials
Safety + Security
  • Anti-theft backpack

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

  • Voice and data SIM card

    A SIM card that works in Leiden. 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.

  • Travel insurance

    With countries and airlines constantly changing policies, your amazing trip can be ruined if you get sick. Good travel insurance can help. See plans

Comfort
  • Voltage step down adapter

    A plug adapter that supports outlet types C and F. Check that you get the correct kind. Many adapters currently being sold are just plug changers and expect your electronics to change the voltage themselves. If yours can't do that they could burn up. This one works in most areas.

  • Folding travel stroller

    This stroller weighs only 10 pounds and folds to the size of a big book.

  • Travel pillow

    What we like is this one

  • 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 Hortus Botanicus, you're likely to do a lot of walking. These are a must:

February

In February, Leiden is brisk, somewhat rainy and somewhat hazy. Temperatures routinely are in the low 40s F (single digits C) range. At night, lows are in the low 30s F (single digits C). This is also a rainy time for Leiden, with several of the days of the month having rain. In February, humidity reaches as high as 80%.

What to wear/what to pack:

Clothes + Footwear
Health Essentials
Safety + Security
  • Voice and data SIM card

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

  • Travel insurance

    With countries and airlines constantly changing policies, your amazing trip can be ruined if you get sick. Good travel insurance can help. See plans

  • Anti-theft backpack

    For a bit of 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
  • Power bank for devices

    A portable power bank, like this one

  • Super portable foldable travel stroller

    This stroller is only 10 lbs and folds to the size of a big book.

  • Travel neck pillow

    Our fave is this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Travel voltage adapter

    A plug adapter that supports outlet types C and F. Be sure to find the correct kind. The vast majority of adapters for sale now are simply plugs and expect your electronics to change the voltage themselves. If yours can't do that they could get destroyed. This one works in most areas.

If you go to Hortus Botanicus, you're likely to do a lot of walking. These are a must:

March

If you go to Leiden in March, you will notice that it is pretty cool, very rainy and somewhat hazy. Expect it to rain most days and snow once in a while. Daytime temperatures are in the 40s F (single digits C).

What to wear/what to pack:

Clothes + Footwear
Health Essentials
Safety + Security
  • 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 Leiden. 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.

  • Travel insurance

    With countries and airlines constantly changing policies, your amazing trip can be ruined if you get sick. Good travel insurance can help. See plans

Comfort
  • Power bank for devices

    A portable power bank, like this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Travel adapter

    A plug adapter that supports outlet types C and F. Check that you pick the correct kind. The vast majority of adapters currently being sold are just plugs and require your electronics to adjust the voltage themselves. If your devices can't do that they could get destroyed. This one is sufficent for most countries.

  • Travel pillow

    What we like is this one

  • Ultralightweight travel stroller

    This stroller weighs only 10 lbs and folds to the size of a big book.

If you go to Hortus Botanicus, you're likely to do a lot of walking. These are a must:

April

If you go to Leiden in April, you will notice that it is pretty cool, very rainy and somewhat hazy. Expect it to rain about two thirds of the time. Daytime temperatures are in the low 50s F (low 10s C).

What to wear/what to pack:

Clothes + Footwear
Health Essentials
Safety + Security
  • 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 Leiden. A good global SIM card works in most countries, but check the country list before buying.

  • Travel insurance

    With countries and airlines constantly changing policies, your amazing trip can be ruined if you get sick. Good travel insurance can help. See plans

  • Anti-theft backpack

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

Comfort
  • Power bank for devices

    A portable power bank, like this one

  • Easy folding travel stroller

    This stroller weighs almost 10 lbs and folds to the size of a big book.

  • Travel neck pillow

    An excellent option is this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Voltage adapter

    A plug adapter that supports outlet types C and F. It's important that you get the correct type. The majority of adapters that you can buy are just plugs 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.

If you go to Hortus Botanicus, you're likely to do a lot of walking. These are a must:

May

In May, Leiden is chilly, very rainy and somewhat hazy. Temperatures routinely are in the high 50s F (mid 10s C) and about half of the time jump into the low 60s F (mid 10s C) range. At night, lows are in the 40s F (single digits C). This is also a rainy time for Leiden, with more than half of the days of the month having rain. In May, humidity reaches as high as 70%.

What to wear/what to pack:

Clothes + Footwear
Health Essentials
Safety + Security
  • Anti-theft backpack

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

  • Money/passport pouch

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

  • Travel insurance

    With countries and airlines constantly changing policies, your amazing trip can be ruined if you get sick. Good travel insurance can help. See plans

  • Voice and data SIM card

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

Comfort
  • Power bank for devices

    A portable power bank, like this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Folding travel stroller

    This stroller is only 10 pounds and folds to the size of a big book.

  • Voltage adapter

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

  • Travel pillow

    A good option is this one

If you go to Hortus Botanicus, you're likely to do a lot of walking. These are a must:

June

June in this region is chilly, very rainy and somewhat hazy. Temperatures average in the low 60s F (high 10s C) during the day. It rains about two thirds of the time.

What to wear/what to pack:

Clothes + Footwear
Health Essentials
Safety + Security
  • Voice and data SIM card

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

  • Travel insurance

    With countries and airlines constantly changing policies, your amazing trip can be ruined if you get sick. Good travel insurance can help. See plans

  • Anti-theft backpack

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

  • Money/passport pouch

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

Comfort
  • Plug adapter

    A plug adapter that supports outlet types C and F. Ensure that you choose the necessary type. A lot of adapters currently sold are simply plugs and expect your devices to change the voltage themselves. If your devices can't do that they could get destroyed. This one should work in most areas.

  • Travel pillow

    What we like is this one

  • Folding travel stroller

    This stroller weighs only 10 pounds and folds to the size of a big book.

  • 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 Hortus Botanicus, you're likely to do a lot of walking. These are a must:

July

In July, Leiden is mild, very rainy and somewhat hazy. Temperatures routinely are in the high 60s F (low 20s C) and regularly jump into the low 70s F (low 20s C) range. At night, lows are in the 50s F (low 10s C). This is also a rainy time for Leiden, with more than half of the days of the month having rain. In July, humidity reaches as high as 80%.

What to wear/what to pack:

Clothes + Footwear
Health Essentials
  • Travel disinfecting wipes

    Use these to sanitize plane and hotel surfaces.

  • Virus/bacteria filtering water bottle

    Some areas of this country may have potentially unsafe tap water, so it's useful to have a contaminant filtering water bottle.

  • Travel first aid kit

    This one is a good option.

  • A vaccine card protector

    Vaccine cards frequently get worn. An unreadable vaccine card can have severe consequences. This vaccine card protector helps stop that.

  • Emergency motion sickness relief

  • Hand sanitizer

    This hand sanitizer is an easy-to-carry TSA-friendly option.

Safety + Security
  • Money/passport pouch

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

  • Travel insurance

    With countries and airlines constantly changing policies, your amazing trip can be ruined if you get sick. Good travel insurance can help. See plans

  • Voice and data SIM card

    A SIM card that works in Leiden. 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 belongings.

Comfort
  • Travel voltage adapter

    A plug adapter that supports outlet types C and F. Be sure to choose the correct type. The majority of adapters available are just plugs and require your devices to convert the voltage themselves. If yours can't do that they could burn up. This one should be appropriate for most areas.

  • Travel neck pillow

    Our fave is this one

  • Ultralightweight travel stroller

    This stroller is only 10 pounds and folds to the size of a big book.

  • 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 Hortus Botanicus, you're likely to do a lot of walking. These are a must:

August

In August, Leiden is mild, very rainy and somewhat hazy. Temperatures routinely are in the high 60s F (low 20s C) and about a third of the time jump into the low 70s F (low 20s C) range. At night, lows are in the 50s F (low 10s C). This is also a rainy time for Leiden, with more than half of the days of the month having rain. In August, humidity reaches as high as 70%.

What to wear/what to pack:

Clothes + Footwear
Health Essentials
Safety + Security
  • Travel insurance

    With countries and airlines constantly changing policies, your amazing trip can be ruined if you get sick. Good travel insurance can help. See plans

  • 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 Leiden. 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 things.

Comfort
  • Travel adapter

    A plug adapter that supports outlet types C and F. Be careful to get the correct type. The vast majority of adapters available online 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 places.

  • Power bank for devices

    A portable power bank, like this one

  • Ultraportable travel stroller

    This stroller weighs almost 10 lbs and folds to the size of a big book.

  • Travel neck support pillow

    Our favorite is this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

If you go to Hortus Botanicus, you're likely to do a lot of walking. These are a must:

September

In September, Leiden is crisp, very rainy and somewhat hazy. Temperatures routinely are in the low 60s F (high 10s C) and sometimes jump into the low 70s F (low 20s C) range. At night, lows are in the low 50s F (low 10s C). This is also a rainy time for Leiden, with more than half of the days of the month having rain. In September, humidity reaches as high as 80%.

What to wear/what to pack:

Clothes + Footwear
Health Essentials
  • Travel disinfecting wipes

    Use these to sanitize plane and hotel surfaces.

  • Virus/bacteria filtering water bottle

    Some areas of this country may have potentially unsafe tap water, so it's important to take a contaminant filtering water bottle.

  • A vaccine card protector

    Vaccine cards often become worn. An unreadable vaccine card may result in severe consequences. This vaccine card protector helps avoid that.

  • Emergency motion sickness relief

  • Hand sanitizer

    This hand sanitizer is a good plane-friendly option.

  • Travel first aid kit

    This one is a great value.

Safety + Security
  • Voice and data SIM card

    A SIM card that works in Leiden. 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.

  • Travel insurance

    With countries and airlines constantly changing policies, your amazing trip can be ruined if you get sick. Good travel insurance can help. See plans

Comfort
  • Travel neck support pillow

    An excellent option is this one

  • Ultraportable travel stroller

    This stroller is only 10 lbs and folds to the size of a big book.

  • 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 C and F. Ensure that you choose the correct type. Many adapters available are simply plug changers and require your devices to adjust the voltage themselves. If yours can't do that they could get destroyed. This one works in most countries.

If you go to Hortus Botanicus, you're likely to do a lot of walking. These are a must:

October

If you visit Leiden during October, you are likely to find that it is cool, very rainy and somewhat hazy. Temperatures tend to hover around the 50s F (low 10s C) during the day, while at night they can dip into the 40s F (single digits C). Humidity is generally between 70 and 80% during the day. In terms of precipitation, you can expect it to rain most days.

What to wear/what to pack:

Clothes + Footwear
Health Essentials
Safety + Security
  • Travel insurance

    With countries and airlines constantly changing policies, your amazing trip can be ruined if you get sick. Good travel insurance can help. See plans

  • 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 Leiden. 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 belongings.

Comfort
  • 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 pillow

    Our favorite is this one

  • Ultraportable travel stroller

    This stroller weighs almost 10 lbs and folds to the size of a big book.

  • Voltage adapter

    A plug adapter that supports outlet types C and F. It's important that you choose the necessary type. Most adapters currently available are just plugs and expect your electronics to convert the voltage themselves. If yours can't do that they could burn up. This one should work in most areas.

If you go to Hortus Botanicus, you're likely to do a lot of walking. These are a must:

November

November in Leiden can be very chilly, extremely rainy and somewhat hazy. The average overnight temperatures in the area are in the high 30s F (single digits C). It tends to rain most days. But the colder weather doesn't bring low humidity, which is in the 80% to 90% range on average.

What to wear/what to pack:

Clothes + Footwear
Health Essentials
Safety + Security
  • Anti-theft backpack

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

  • Travel insurance

    With countries and airlines constantly changing policies, your amazing trip can be ruined if you get sick. Good travel insurance can help. See plans

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

Comfort
  • Voltage adapter

    A plug adapter that supports outlet types C and F. Be careful to find the right kind. Many adapters currently sold are simply plugs and expect your devices to change the voltage themselves. If your electronics can't do that they could get fried. This one should be appropriate for most places.

  • Travel pillow

    Our fave is this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Easy folding travel stroller

    This stroller weighs almost 10 pounds and folds to the size of a big book.

  • Power bank for devices

    A portable power bank, like this one

If you go to Hortus Botanicus, you're likely to do a lot of walking. These are a must:

December

December for Leiden is brisk and extremely rainy. Temperatures average in the low 40s F (single digits C) during the day. It rains most days and snows occasionally.

What to wear/what to pack:

Clothes + Footwear
Health Essentials
Safety + Security
  • Travel insurance

    With countries and airlines constantly changing policies, your amazing trip can be ruined if you get sick. Good travel insurance can help. See plans

  • Anti-theft backpack

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

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

Comfort
  • Voltage step down adapter

    A plug adapter that supports outlet types C and F. Take care to find the right type. Most adapters on sale are just plug changers and require your electronics to adjust the voltage themselves. If yours can't do that they could get destroyed. This one should be sufficient for most places.

  • Travel pillow

    Our favorite is this one

  • Power bank for devices

    A portable power bank, like this one

  • Easy folding travel stroller

    This stroller is only 10 pounds and folds to the size of a big book.

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

If you go to Hortus Botanicus, you're likely to do a lot of walking. These are a must:

Activities for Leiden, Netherlands

Here are some activity recommendations and activity-specific packing tips for Leiden.

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