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