San Mateo, California, United States of America: What to pack, what to wear, and when to go [2022]

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Traveling to San Mateo, California, United States of America? If you're planning to go to San Mateo, this 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 Mateo, California, United States of America

Based on the climate and weather in San Mateo, the best time to go is July. See below for details.

Important essentials for San Mateo, California, United States of America

Here are some general tips on what to wear in San Mateo, 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

  • (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


  • N95 masks

    These N95 masks provide the best level of protection you can have.


  • Hand sanitizer

    This hand sanitizer is a good plane-friendly choice.


  • Touchless thermometer

    A touchless thermometer is important to have.


  • Kids' KN95 masks

    N95 masks aren't sold for kids. These are a good alternative (and can also be used by adults if N95 masks are not available).


  • Travel disinfecting wipes

    Use these to sanitize plane and hotel surfaces.


  • A vaccine card protector

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

General health necessities

Don't forget these

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

Already know when you're traveling?

January

If you go to San Mateo in January, you will notice that it is crisp and somewhat rainy. Expect it to rain 5-10 days this month. Daytime temperatures are in the 50s F (low 10s C).

What to wear/what to pack:

February

February in San Mateo is chilly and somewhat rainy. The rain can amount to several inches/centimeters. During this time, temperatures average in the 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

March in San Mateo is crisp and somewhat rainy. The average overnight temperatures in the area are in the 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:

April

April is cool. Temperatures average in the 60s F (high 10s C) during the day. It rains occasionally.

What to wear/what to pack:

May

May here is mild and dry with little rain. Temperatures average in the high 60s F (high 10s C) during the day.

What to wear/what to pack:

June

If you are traveling to San Mateo in June, you will notice that it is balmy and very dry with almost no rain. Daytime temperatures are in the low 60s F (low 20s C).

What to wear/what to pack:

July

July for San Mateo is mild and very dry with almost no rain. Temperatures average in the low 70s F (low 20s C) during the day.

What to wear/what to pack:

August

If you visit San Mateo during August, you will probably notice that it is mild and very dry with almost no rain. Temperatures tend to hover around the low 70s F (low 20s C) during the day, while at night they can dip into the 50s F (low 10s C). Humidity is generally between 60 and 70% during the day.

What to wear/what to pack:

September

If you visit San Mateo during September, you will probably see that it is warm and very dry with almost no rain. Temperatures tend to hover around the 70s F (low 20s C) during the day, while at night they can dip into the 50s F (low 10s C). Humidity is generally around 60 during the day.

What to wear/what to pack:

October

If you go to San Mateo in October, you will notice that it is balmy and dry with little rain. Expect it to rain sometimes. Daytime temperatures are in the low 70s F (low 20s C).

What to wear/what to pack:

November

November in San Mateo is relatively cool. The rain can amount to several inches/centimeters. During this time, temperatures average in the low 60s F (high 10s C).

What to wear/what to pack:

December

December in San Mateo is crisp and somewhat rainy. The average overnight temperatures in the area are in the low 40s F (single digits C). It tends to rain about a third 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:

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