Average annual temperature is 27.0 °C
Absolute maximum temperature: 39.4 °C
Absolute minimum temperature: 13.9 °C
Number of sunny days: 125 days
Number of rainy days: 240 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) | 32.3 | 32.8 | 35.5 | 37.9 | 39.0 | 39.4 | 38.2 | 39.2 | 35.9 | 37.3 | 34.1 | 33.1 |
| Average daytime temperature (°C) | 29.2 | 30.4 | 33.0 | 35.0 | 35.4 | 36.4 | 35.6 | 34.9 | 34.4 | 33.5 | 30.5 | 28.4 |
| Average temperature (°C) | 24.0 | 24.7 | 26.3 | 27.7 | 28.3 | 29.6 | 29.3 | 28.8 | 28.1 | 27.8 | 25.7 | 23.8 |
| Average night temperature (°C) | 20.2 | 20.5 | 21.3 | 22.2 | 23.0 | 24.6 | 25.2 | 25.1 | 24.0 | 23.7 | 22.4 | 20.6 |
| Absolute minimum temperature (°C) | 15.1 | 15.4 | 18.4 | 19.4 | 18.8 | 21.7 | 23.7 | 23.7 | 22.2 | 18.9 | 19.3 | 13.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 11.0 | 11.4 | 12.0 | 12.6 | 13.1 | 13.4 | 13.3 | 12.8 | 12.3 | 11.7 | 11.1 | 10.9 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 9.2 | 9.9 | 10.5 | 11.4 | 11.6 | 11.6 | 11.1 | 10.5 | 11.0 | 10.4 | 9.5 | 9.0 |
| Precipitation (mm) | 35 | 20 | 53 | 40 | 51 | 83 | 105 | 146 | 87 | 36 | 54 | 54 |
| Sunny days | 15 | 15 | 23 | 21 | 7 | 9 | 5 | 1 | 2 | 9 | 8 | 10 |
| Rainy days | 16 | 13 | 8 | 9 | 24 | 21 | 26 | 30 | 28 | 22 | 22 | 21 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Dimas is at