Average data for 10 years
1 December
Monday
+15°
+8°
2 December
Tuesday
+15°
+8°
3 December
Wednesday
+14°
+8°
4 December
Thursday
+14°
+8°
5 December
Friday
+14°
+8°
6 December
Saturday
+14°
+8°
7 December
Sunday
+14°
+8°
8 December
Monday
+14°
+7°
9 December
Tuesday
+14°
+8°
10 December
Wednesday
+14°
+8°
11 December
Thursday
+14°
+7°
12 December
Friday
+13°
+8°
13 December
Saturday
+13°
+8°
14 December
Sunday
+13°
+8°
15 December
Monday
+13°
+7°
16 December
Tuesday
+13°
+7°
17 December
Wednesday
+13°
+7°
18 December
Thursday
+14°
+7°
19 December
Friday
+13°
+7°
20 December
Saturday
+13°
+7°
21 December
Sunday
+13°
+8°
22 December
Monday
+13°
+8°
23 December
Tuesday
+13°
+7°
24 December
Wednesday
+13°
+7°
25 December
Thursday
+13°
+6°
26 December
Friday
+13°
+7°
27 December
Saturday
+13°
+7°
28 December
Sunday
+13°
+7°
29 December
Monday
+13°
+7°
30 December
Tuesday
+13°
+7°
31 December
Wednesday
+13°
+7°
Cities with similar weather in December
Turkey
Antalya
Spain
Barcelona
Italy
Rome
Turkey
Marmaris
Greece
Athens
December in San Francisco is the rainiest and the coldest month of the year. In December, the weather in San Francisco is typically warm. Average daily high temperature in December is about 13 degrees above zero. On average, San Francisco has 11 rainy, 9 sunny, 8 partly cloudy, and 3 cloudy days in December. The rains are usually heavy. December as well as January and February is considered the most uncomfortable time to visit San Francisco.