San Jose weather by month
Check out San Jose weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.
Temperature in San Jose (°C)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max temperature (daytime) | 16 |
17 |
18 |
19 |
22 |
26 |
29 |
30 |
28 |
23 |
19 |
16 |
| Min temperature (night-time) | 8 |
8 |
9 |
11 |
14 |
17 |
20 |
21 |
19 |
15 |
11 |
8 |
| Heat & Humidity | 0 |
0 |
0 |
0 |
0 |
L |
M |
M |
L |
0 |
0 |
0 |
| Sea temperature | 15 |
14 |
15 |
16 |
18 |
20 |
23 |
25 |
23 |
21 |
18 |
16 |
Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme
Sunshine & UV index in San Jose
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daily hours of sunshine | ||||||||||||
| Daily hours of daylight | 10 |
11 |
12 |
13 |
14 |
15 |
14 |
14 |
12 |
11 |
10 |
10 |
| UV Index (Maximum) | 2 |
4 |
5 |
7 |
8 |
9 |
10 |
9 |
7 |
5 |
3 |
2 |
Rainfall in San Jose
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Number of days with some rain | 12 |
10 |
10 |
9 |
7 |
4 |
2 |
3 |
4 |
8 |
10 |
11 |
| Average monthly rainfall (mm) | 35 |
26 |
29 |
32 |
24 |
14 |
3 |
3 |
11 |
30 |
29 |
35 |











































