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