San Francisco Weather Year-Round — Best Time to Visit
San Francisco, Costa Rica has warm weather year-round. The best time to visit is February (score: 90/100). Annual average high: 24.5°C, total rainfall: 2555mm.
When is the best time to visit San Francisco?
90
February is the best month to visit San Francisco with a travel score of 90/100 (Excellent).
Expect highs of 25°C, 4 rain days, and 11.1 hours of daily sunshine.
View February weather details →Travel Score by Month
88
Jan
90
Feb
89
Mar
81
Apr
64
May
62
Jun
63
Jul
63
Aug
62
Sep
61
Oct
62
Nov
79
Dec
Excellent (80+)
Good (60-79)
Mixed (40-59)
Poor (<40)
What are the average temperatures in San Francisco each month?
24.5°C
Avg High
17.5°C
Avg Low
2555mm
Annual Rain
How much rain does San Francisco get?
San Francisco receives 2555mm of rain annually. The wettest month is typically October with 435mm, while February is the driest.
What is the weather like each month in San Francisco?
January
88
24°C
Low: 16°C
5 rain days
Excellent
February
Best time to visit90
25°C
Low: 17°C
4 rain days
Excellent
March
89
26°C
Low: 17°C
5 rain days
Excellent
April
81
26°C
Low: 18°C
11 rain days
Excellent
May
64
25°C
Low: 18°C
23 rain days
Good
June
62
24°C
Low: 18°C
25 rain days
Good
July
63
24°C
Low: 18°C
22 rain days
Good
August
63
24°C
Low: 18°C
24 rain days
Good
September
62
24°C
Low: 18°C
27 rain days
Good
October
61
24°C
Low: 18°C
27 rain days
Good
November
62
23°C
Low: 18°C
21 rain days
Good
December
79
24°C
Low: 17°C
10 rain days
Good
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Data based on 1994–2024 averages · Last updated: 2024-12-31