Average annual temperature is 16.6 °C
Absolute maximum temperature: 36.5 °C
Absolute minimum temperature: 1.6 °C
Number of sunny days: 269 days
Number of rainy days: 96 days
Look at detailed online map of South San Gabriel
* Weather data for South San Gabriel United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 19.4 | 24.1 | 22.7 | 32.2 | 28.8 | 29.2 | 36.5 | 35.9 | 35.0 | 35.2 | 30.3 | 26.7 |
| Average daytime temperature (°C) | 15.7 | 17.5 | 16.5 | 22.5 | 22.5 | 24.4 | 32.2 | 30.5 | 27.8 | 28.0 | 23.9 | 20.3 |
| Average temperature (°C) | 10.6 | 10.6 | 11.2 | 14.9 | 16.2 | 18.2 | 23.0 | 22.9 | 21.1 | 19.8 | 16.1 | 14.1 |
| Average night temperature (°C) | 6.8 | 5.7 | 7.6 | 10.1 | 12.3 | 14.0 | 16.8 | 17.8 | 16.8 | 14.4 | 10.5 | 9.8 |
| Absolute minimum temperature (°C) | 1.9 | 1.6 | 2.5 | 5.0 | 8.1 | 11.4 | 13.5 | 15.9 | 14.2 | 8.0 | 6.5 | 6.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.2 | 11.0 | 12.0 | 13.0 | 13.9 | 14.4 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 6.3 | 8.1 | 7.5 | 10.2 | 9.1 | 10.2 | 12.3 | 11.0 | 9.1 | 9.9 | 8.9 | 7.3 |
| Precipitation (mm) | 283 | 131 | 229 | 3 | 23 | 6 | 0 | 80 | 57 | 5 | 36 | 176 |
| Sunny days | 13 | 17 | 12 | 26 | 21 | 23 | 31 | 27 | 23 | 27 | 24 | 25 |
| Rainy days | 18 | 11 | 19 | 4 | 10 | 7 | 0 | 4 | 7 | 4 | 6 | 6 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit South San Gabriel during the most sunny months:
The largest precipitation sum in South San Gabriel is at