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San Francisco Weather Averages

Climate averages for San Francisco based on 10 years of historical data.

Annual avg temp
14.1°C
Annual avg high
17.8°C
Annual avg low
11.2°C
Record high
38°C
Record low
2°C
Annual rainfall
618 mm
Rainy days
56
Sunshine
6.2h/day
Vochtigheid
72%

Average San Francisco temperatures by month

Avg high

14°
J
15°
F
15°
M
16°
A
18°
M
20°
J
20°
J
21°
A
22°
S
21°
O
17°
N
14°
D

Avg low

J
F
M
10°
A
11°
M
13°
J
13°
J
14°
A
14°
S
13°
O
10°
N
D

Average rainfall in San Francisco by month

Rainfall (mm)

128
J
95
F
101
M
34
A
18
M
1
J
1
J
1
A
3
S
29
O
66
N
141
D

Sunshine hours in San Francisco by month

Sunshine (h/day)

4
J
5
F
4
M
6
A
7
M
9
J
8
J
8
A
7
S
6
O
5
N
3
D

Humidity in San Francisco by month

Average humidity

73%
J
69%
F
73%
M
73%
A
75%
M
72%
J
75%
J
75%
A
72%
S
68%
O
66%
N
72%
D

Sea temperature in San Francisco by month

Sea temp

12°
J
12°
F
12°
M
13°
A
13°
M
14°
J
15°
J
16°
A
16°
S
16°
O
13°
N
12°
D

Month-by-month averages

Month Avg High Avg Low Rainfall Sunshine Sea Temp
Weer in januari 14°C 8°C 128 mm 3.8h 12.4°C
Weer in februari 15°C 8°C 95 mm 4.9h 12.3°C
Weer in maart 15°C 9°C 101 mm 4.5h 12.2°C
Weer in april 16°C 10°C 34 mm 6.3h 12.7°C
Weer in mei 18°C 11°C 18 mm 7.4h 13.3°C
Weer in juni 20°C 13°C 1 mm 9.4h 14.3°C
Weer in juli 20°C 13°C 1 mm 8.3h 15.0°C
Weer in augustus 21°C 14°C 1 mm 8.0h 15.5°C
Weer in september 22°C 14°C 3 mm 7.4h 16.3°C
Weer in oktober 21°C 13°C 29 mm 6.3h 15.9°C
Weer in november 17°C 10°C 66 mm 5.0h 13.3°C
Weer in december 14°C 8°C 141 mm 3.4h 12.2°C