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

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:

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.

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

January

Traveling to San Francisco International Airport in January, you will notice that it is relatively cool and somewhat rainy. Expect it to rain a bit less than half of the time.

Daytime temperatures are in the 50s F (low 10s C).

What to wear/what to pack:

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

February

If you visit San Francisco International Airport during February, you are likely to find that it can be chilly and somewhat rainy. Temperatures tend to hover around the high 50s 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:

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

March

If you visit San Francisco International Airport during March, you are likely to find that it is chilly 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 regularly.

What to wear/what to pack:

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

April

Traveling to San Francisco International Airport in April, 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:

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

May

If you vacation in San Francisco International Airport during May, you are likely to find that it is balmy 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:

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

June

Traveling to San Francisco International Airport 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:

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

July

Traveling to San Francisco International Airport in July, 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:

  • Long and short sleeve shirts
  • Light footwear
  • Shorts or short pants
  • Dresses
  • Sunscreen lotion
  • Skirts
  • Sandals

August

August 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:

  • Dresses
  • Skirts
  • Long and short sleeve shirts
  • Shorts or short pants
  • Sunscreen lotion
  • Light footwear
  • Sandals

September

If you vacation in San Francisco International Airport 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 (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:

  • Sunscreen lotion
  • Long and short sleeve shirts
  • Shorts or short pants
  • Light footwear
  • Dresses
  • Skirts
  • Sandals

October

Traveling to San Francisco International Airport in October, you will notice that it is mild and dry with little rain. Expect it to rain occasionally. Daytime temperatures are in the low 70s F (low 20s C).

What to wear/what to pack:

  • Light footwear
  • Waterproof footwear
  • Shorts or short pants
  • Sandals
  • Skirts
  • Sunscreen lotion
  • Umbrella
  • Waterproof luggage
  • Rain coat
  • Long and short sleeve shirts
  • Dresses

November

If you vacation in San Francisco International Airport during November, you are likely to find that it is chilly. Temperatures tend to hover around the low 60s F (high 10s C) during the day, while at night they can dip into the high 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:

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

December

December in San Francisco International Airport can be chilly 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:

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

Year-round what to wear/what to pack 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.

  • A plug adadpter that supports outlet types A and B
  • A SIM card that works in San Francisco International Airport
  • Appropriate museum wear

Check out our guides for these other locations: Qianshan National Park, China, Oyen, Alberta, Canada, Koto Gadang, Indonesia, Fiordland National Park, New Zealand, West São Paulo, São Paulo, Brazil, The Rosses, Ireland, Sasca Montană, Romania, Embu, Kenya, Saimaa, Finland, Hogenakkal, India, and Bergen op Zoom, Netherlands.