Average annual temperature is 20.3 °C
Absolute maximum temperature: 34.6 °C
Absolute minimum temperature: 6.2 °C
Number of sunny days: 220 days
Number of rainy days: 145 days
Look at detailed online map of San Dimas
* Weather data for San Dimas Mexico is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 28.3 | 27.9 | 29.2 | 31.1 | 34.1 | 34.6 | 31.3 | 31.4 | 30.3 | 33.0 | 30.6 | 28.1 |
| Average daytime temperature (°C) | 23.4 | 24.5 | 26.2 | 28.6 | 30.8 | 31.5 | 27.6 | 28.1 | 28.0 | 27.0 | 26.4 | 24.5 |
| Average temperature (°C) | 15.8 | 17.0 | 18.3 | 20.4 | 22.7 | 24.1 | 22.6 | 22.5 | 22.5 | 20.9 | 19.5 | 17.1 |
| Average night temperature (°C) | 9.8 | 10.8 | 11.4 | 13.1 | 15.3 | 18.2 | 19.0 | 18.5 | 18.2 | 16.4 | 14.5 | 11.7 |
| Absolute minimum temperature (°C) | 6.2 | 7.5 | 7.7 | 11.1 | 11.5 | 14.9 | 17.0 | 16.6 | 16.2 | 13.4 | 8.8 | 6.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.8 | 11.3 | 12.0 | 12.7 | 13.3 | 13.6 | 13.5 | 13.0 | 12.3 | 11.6 | 11.0 | 10.7 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 9.7 | 9.8 | 10.9 | 11.2 | 11.6 | 12.2 | 9.9 | 10.0 | 10.5 | 8.9 | 9.3 | 9.1 |
| Precipitation (mm) | 14 | 10 | 0 | 6 | 1 | 24 | 188 | 122 | 67 | 97 | 10 | 7 |
| Sunny days | 25 | 25 | 30 | 29 | 28 | 21 | 0 | 1 | 6 | 7 | 23 | 25 |
| Rainy days | 6 | 3 | 1 | 1 | 3 | 9 | 31 | 30 | 24 | 24 | 7 | 6 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Dimas is at