Flights to San Francisco, CA, United States

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Weather in San Francisco

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January14°C7°C
February15°C8°C
March15°C8°C
April17°C9°C
May19°C10°C
June21°C12°C
July22°C13°C
August22°C14°C
September23°C14°C
October21°C13°C
November17°C10°C
December13°C8°C
Hottest Month
23°C
September
Coldest month
7°C
January
Sunny days
333
days per year

14 day forecast

Friday
23 May
13°C9°C
30 May
18°C12°C
Saturday
24 May
12°C10°C
31 May
19°C12°C
Sunday
25 May
11°C8°C
1 Jun
18°C12°C
Monday
26 May
12°C10°C
2 Jun
15°C11°C
Tuesday
27 May
18°C10°C
3 Jun
14°C11°C
Wednesday
28 May
16°C11°C
4 Jun
16°C10°C
Thursday
29 May
17°C11°C
5 Jun
17°C11°C

Cheapest month to fly to San Francisco

Explore price trends for trips to San Francisco

Annual Avg. Price350 GBP
June 2025256 GBP
July 2025433 GBP
August 2025284 GBP
September 2025287 GBP
October 2025295 GBP
November 2025339 GBP
December 2025376 GBP
January 2026336 GBP
February 2026336 GBP
March 2026332 GBP
April 2026428 GBP
May 2026496 GBP

Frequently asked questions

Main airports in San Francisco
Getting from the airport to San Francisco
Best time to fly to San Francisco
Things to do in San Francisco
When to book your flight
Recommended duration of stay
Top tourist attractions in San Francisco
Safety walking at night in San Francisco
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