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

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Traveling to San Diego, California, United States of America? If you're planning to go to San Diego, below is some important information about when to go, what to wear, and what to pack.

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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

  • N95 masks to use in crowded airports

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

  • 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 often get worn. An unreadable vaccine card can have severe consequences. This vaccine card protector helps avoid that.

  • Hand sanitizer

    This hand sanitizer is an excellent plane-friendly option.

  • Kids' KN95 masks

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

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

If you go to San Diego in January, you will notice that it is mild. Expect it to rain a bit less than half of the time. Daytime temperatures are in the 60s F (high 10s C).

What to wear/what to pack:

February

February in San Diego is relatively cool. 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:

March

March in this region is mild. Temperatures average in the 60s F (high 10s C) during the day. It rains 5-10 days this month.

What to wear/what to pack:

April

If you visit San Diego during April, you will probably 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 vacation in San Diego during May, you will probably notice that it is balmy 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

June in this region is balmy 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:

July

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

What to wear/what to pack:

August

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

What to wear/what to pack:

September

If you vacation in San Diego during September, you may see that it is a perfect temperature and very dry with almost no rain. Temperatures tend to hover around the 70s F (mid 20s C) during the day, while at night they can dip into the 60s F (high 10s C). Humidity is generally between 60 and 70% during the day.

What to wear/what to pack:

October

If you vacation in San Diego during October, you might notice that it is balmy 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 occasionally.

What to wear/what to pack:

December

December in San Diego is chilly. 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:

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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