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

Traveling to San Diego, California, United States of America? If you're planning to go to San Diego, I have 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 Diego, California, United States of America

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

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

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

COVID-19 ESSENTIALS FOR 2022


  • 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).


  • N95 masks to use in crowded airports

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


  • Hand sanitizer

    This hand sanitizer is a good TSA-friendly option.


  • Travel insurance

    If you or a companion get COVID-19, your amazing trip can be ruined. Good travel insurance can help. See plans


  • Travel disinfecting wipes

    Use these to sanitize plane and hotel surfaces.


  • A vaccine card protector

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

General health necessities

Don't forget these

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

Already know when you're traveling?

January

January in San Diego is balmy. The rain can amount to several inches/centimeters. During this time, temperatures average in the high 50s F (mid 10s C) to 60s F (high 10s C), although night temperatures can dip into the low 40s F (single digits C).

What to wear/what to pack:

February

February for San Diego is cool. Temperatures average in the 60s F (high 10s C) during the day. It rains once in a while.

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March

March in San Diego is balmy. Temperatures average in the 60s F (high 10s C) during the day. It rains about a third of the time.

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April

If you vacation in San Diego during April, you are likely to see that it is balmy and dry with little rain. Temperatures tend to hover around the high 60s F (low 10s 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. In terms of precipitation, you can expect it to rain once in a while.

What to wear/what to pack:

May

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

What to wear/what to pack:

June

If you go to San Diego in June, 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).

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July

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

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August

August in San Diego is a perfect temperature and very dry with almost no rain. Temperatures average in the 70s F (mid 20s C) during the day.

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September

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

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October

If you vacation in San Diego during October, you may notice 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 60s F (mid 10s C). Humidity is generally between 60 and 70% during the day.

What to wear/what to pack:

November

November here is mild and dry with little rain. Temperatures average in the high 60s F (low 20s C) during the day. It rains once in a while.

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December

December in San Diego is crisp. 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 50% to 60% range on average.

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Activities for San Diego, California, United States of America

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

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