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San Diego weather by month
Check out San Diego weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.
Temperature in San Diego (°C)
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Max temperature (daytime) | 19 |
19 |
19 |
21 |
21 |
23 |
26 |
27 |
26 |
24 |
22 |
19 |
Min temperature (night-time) | 7 |
8 |
10 |
11 |
13 |
15 |
17 |
18 |
17 |
14 |
10 |
8 |
Heat & Humidity | 0 |
0 |
0 |
0 |
0 |
0 |
L |
M |
L |
0 |
0 |
0 |
Sea temperature | 15 |
15 |
15 |
16 |
17 |
18 |
20 |
20 |
20 |
19 |
17 |
15 |
Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme
Sunshine & Daylight in San Diego
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 |
14 |
14 |
13 |
12 |
11 |
10 |
10 |
UV Index (Maximum) | 3 |
4 |
6 |
8 |
9 |
10 |
10 |
10 |
8 |
6 |
4 |
3 |
Rainfall in San Diego
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Number of days with some rain | 6 |
5 |
6 |
4 |
2 |
1 |
1 |
1 |
1 |
2 |
4 |
5 |
Average monthly rainfall (mm) | 53 |
43 |
51 |
23 |
5 |
2 |
1 |
2 |
4 |
8 |
33 |
37 |
More about San Diego
San Diego by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for San Diego
The climate guide for California (San Diego) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
What's the climate like in San Diego?
San Diego has a cool semi arid climate with warm dry summers.
Metric (°C / mm) | Imperial (°F / inches)
Tropical storm risk: San Diego, California hurricane season
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More about California
Compare San Diego with the USA
Below the San Diego chart shows average maximum daytime temperature for San Diego, California, USA and the USA (Washington).
Maximum daytime temperature (°C)
Metric (°C / mm) | Imperial (°F / inches)
Compare more San Diego weather >>
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