Average data for 10 years
1 May
Wednesday
+19°
+14°
2 May
Thursday
+17°
+13°
3 May
Friday
+17°
+13°
4 May
Saturday
+16°
+12°
5 May
Sunday
+16°
+12°
6 May
Monday
+16°
+12°
7 May
Tuesday
+16°
+12°
8 May
Wednesday
+15°
+11°
9 May
Thursday
+14°
+11°
10 May
Friday
+16°
+12°
11 May
Saturday
+16°
+12°
12 May
Sunday
+17°
+12°
13 May
Monday
+16°
+13°
14 May
Tuesday
+17°
+13°
15 May
Wednesday
+17°
+13°
16 May
Thursday
+17°
+13°
17 May
Friday
+17°
+13°
18 May
Saturday
+17°
+13°
19 May
Sunday
+17°
+12°
20 May
Monday
+16°
+11°
21 May
Tuesday
+15°
+11°
22 May
Wednesday
+14°
+11°
23 May
Thursday
+14°
+11°
24 May
Friday
+14°
+12°
25 May
Saturday
+16°
+12°
26 May
Sunday
+15°
+12°
27 May
Monday
+15°
+12°
28 May
Tuesday
+16°
+12°
29 May
Wednesday
+15°
+11°
30 May
Thursday
+16°
+12°
31 May
Friday
+18°
+13°
Cities with similar weather in May
Latvia
Riga
Argentina
Buenos Aires
Denmark
Copenhagen
Canada
Vancouver
Australia
Melbourne
In May, the weather in South San Francisco is typically warm. Average daily high temperature in May is about 16 degrees above zero. On average, South San Francisco has 23 sunny, 7 partly cloudy, and 1 rainy day in May. The rains are usually light.