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

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


  • N95 masks

    These N95 masks provide the best level of COVID-19 protection available.


  • Travel disinfecting wipes

    Use these to sanitize plane and hotel surfaces.


  • Touchless thermometer

    A touchless thermometer is important to have.


  • A vaccine card protector

    Vaccine cards often become worn. An unreadable vaccine card can cause severe consequences. This vaccine card protector helps avoid that.


  • Hand sanitizer

    This hand sanitizer is an excellent TSA-friendly choice.


  • 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).

  • (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

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:

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:

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:

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:

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:

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:

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:

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:

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:

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:

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:

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