San Diego, California, United States of America: What to pack, what to wear, and when to go [2018]

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

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.

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

January

January in this region is balmy. Temperatures average in the 60s F (high 10s C) during the day. It rains regularly.

What to wear/what to pack:

  • Dresses
  • Waterproof luggage
  • Rain coat
  • Waterproof footwear
  • Umbrella
  • Pants or jeans
  • Long sleeve shirts or blouses
  • Light jacket or fleece
  • Long skirts
  • Standard footwear
  • Socks

February

Traveling to San Diego in February, you will notice that it can be chilly. Expect it to rain sometimes. Daytime temperatures are in the 60s F (high 10s C).

What to wear/what to pack:

  • Rain coat
  • Dresses
  • Socks
  • Waterproof luggage
  • Pants or jeans
  • Long sleeve shirts or blouses
  • Long skirts
  • Standard footwear
  • Waterproof footwear
  • Light jacket or fleece
  • Umbrella

March

March in San Diego is mild. 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).

What to wear/what to pack:

  • Socks
  • Pants or jeans
  • Long skirts
  • Long sleeve shirts or blouses
  • Light jacket or fleece
  • Standard footwear
  • Waterproof footwear
  • Waterproof luggage
  • Rain coat
  • Dresses
  • Umbrella

April

Traveling to San Diego in April, you will notice that it is balmy and dry with little rain. Expect it to rain sometimes. Daytime temperatures are in the high 60s F (low 10s C).

What to wear/what to pack:

  • Dresses
  • Long skirts
  • Long sleeve shirts or blouses
  • Light jacket or fleece
  • Socks
  • Rain coat
  • Umbrella
  • Pants or jeans
  • Standard footwear
  • Waterproof luggage
  • Waterproof footwear

May

If you visit San Diego during May, you are likely to find 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:

  • Dresses
  • Pants or jeans
  • Standard footwear
  • Long skirts
  • Socks
  • Light jacket or fleece
  • Long sleeve shirts or blouses

June

If you vacation in San Diego during June, you are likely to find that it is balmy 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 low 60s F (high 10s C).

Humidity is generally between 60 and 70% during the day.

What to wear/what to pack:

  • Sandals
  • Long and short sleeve shirts
  • Light footwear
  • Shorts or short pants
  • Sunscreen lotion
  • Dresses
  • If you're going to the beach, bathing suits, swimwear
  • Skirts

July

If you vacation in San Diego during July, you are likely to find 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:

  • Light footwear
  • Shorts or short pants
  • Dresses
  • Skirts
  • Sunscreen lotion
  • If you're going to the beach, bathing suits, swimwear
  • Long and short sleeve shirts
  • Sandals

August

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

What to wear/what to pack:

  • Long and short sleeve shirts
  • If you're going to the beach, bathing suits, swimwear
  • Dresses
  • Sunscreen lotion
  • Light footwear
  • Sandals
  • Skirts
  • Shorts or short pants

September

If you vacation in San Diego during September, you are likely to find 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:

  • Light footwear
  • Long and short sleeve shirts
  • Shorts or short pants
  • Skirts
  • Sandals
  • If you're going to the beach, bathing suits, swimwear
  • Sunscreen lotion
  • Dresses

October

If you visit San Diego during October, you are likely to 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 60s F (mid 10s C).

Humidity is generally between 60 and 70% during the day.

What to wear/what to pack:

  • Long and short sleeve shirts
  • Shorts or short pants
  • Sandals
  • If you're going to the beach, bathing suits, swimwear
  • Dresses
  • Skirts
  • Light footwear
  • Sunscreen lotion

November

If you vacation in San Diego during November, you are likely to find that it is mild and dry with little rain. Temperatures tend to hover around the high 60s 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. In terms of precipitation, you can expect it to rain occasionally.

What to wear/what to pack:

  • Standard footwear
  • Dresses
  • Light jacket or fleece
  • Pants or jeans
  • Umbrella
  • Long sleeve shirts or blouses
  • Rain coat
  • Waterproof luggage
  • Long skirts
  • Socks
  • Waterproof footwear

December

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

What to wear/what to pack:

  • Standard footwear
  • Long skirts
  • Umbrella
  • Socks
  • Light jacket or fleece
  • Long sleeve shirts or blouses
  • Waterproof footwear
  • Rain coat
  • Pants or jeans
  • Dresses
  • Waterproof luggage

Year-round what to wear/what to pack 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.

  • A plug adadpter that supports outlet types A and B
  • A SIM card that works in San Diego
  • Theft can be a problem, so pack theft protection, including locks for luggage and a money belt or pouch
  • Appropriate museum wear
  • Bicycle friendly attire, if you plan on biking anywhere

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