Climate San Francisco

San Francisco has a mediterranean climate. The summers are warm and dry, and the temperature is cold in the winter. The average annual temperature for San Francisco is 33° degrees and there is about 131 inch of rain in a year. It is dry for 258 days a year with an average humidity of 75% and an UV-index of 4.

View the 14 day weather forecast for San Francisco

Climate San Francisco by month




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Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Day temp. (°F) 56 57 59 61 62 66 68 68 70 66 60 55
Night temp. (°F) 48 48 48 49 51 53 54 56 57 55 51 48
Water temp. (°F) 56 56 57 56 57 56 58 59 59 59 57 56
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Precipitation (inch) 23 31 22 6 3 2 1 1 1 7 15 19
Days with rain 10 10 12 8 4 3 3 3 3 6 8 10
Dry days 21 18 19 22 27 27 28 28 27 25 22 21
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sun hours per day 6 6 8 11 10 11 12 12 11 7 6 6
Wind force (Bft) 2 3 3 3 3 3 2 2 2 2 2 3
UV-index 4 3 4 4 4 5 4 5 5 4 3 3

Travel and stay San Francisco

Airline tickets

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Best time to visit San Francisco

The best time to visit San Francisco in the state of California is from June through October. In this period you have a pleasant temperature and almost no precipitation. The highest average temperature in San Francisco is 70°F in September and the lowest is 55°F in December. The average water temperature is around 58°F.

San Francisco weather by month

What is the average San Francisco weather like in a given month? Let's find out! Click on a month to check all the monthly averages for sunshine, temperature highs and lows, percentage chance of rain per day, snowfall accumulation and number of rainy days.


San Francisco weather experiences

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Frequently asked questions

Where is San Francisco?

San Francisco is located in California. It lies in a straight line 2,567 miles from New York.

The coordinates of San Francisco are:

  • Latitude: 37.7558528
  • Longitude: -122.4429302

The GPS coordinates are 37° 45' N, 122° 26' W

How long is the flight to San Francisco?

The flight time from Los Angeles International Airport (LAX) to San Francisco is approximately 1 h. 10 min.

What are the nearest airports to San Francisco?

These are the airports closests to San Francisco:

  • San Francisco International Airport (SFO) – 11 mi in San Francisco
  • Metropolitan Oakland International Airport (OAK) – 13 mi in Oakland
  • Norman Y. Mineta San Jose International Airport (SJC) – 40 mi in San Jose

How many inhabitants does San Francisco have?

San Francisco has 3,450,000 inhabitants.

How big is San Francisco?

The surface area of San Francisco is 7,374 mi².

What is the area code of San Francisco?

The area code to call San Francisco is +1.

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