When to go
The Best Time to Visit San Francisco
Month-by-month climate data for San Francisco, United States — daily highs and lows, rain days, and an honest verdict for every month of the year.
Warmest in San Francisco: Oct (21°C / 70°F) · Coolest: Dec (13°C / 55°F) · Wettest: Dec (~12 rain days)
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)
San Francisco climate, month by month
January
14° / 8°C
~10 rain days
Good
February
15° / 8°C
~6 rain days
Excellent
March
14° / 9°C
~10 rain days
Good
April
15° / 10°C
~3 rain days
Excellent
May
17° / 11°C
~3 rain days
Excellent
June
19° / 13°C
~0 rain days
Excellent
July
19° / 13°C
~0 rain days
Excellent
August
20° / 14°C
~0 rain days
Excellent
September
20° / 14°C
~1 rain days
Excellent
October
21° / 13°C
~3 rain days
Excellent
November
16° / 10°C
~6 rain days
Excellent
December
13° / 8°C
~12 rain days
Good
Plan around it
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