Average annual temperature is 26.9 °C
Absolute maximum temperature: 40.1 °C
Absolute minimum temperature: 12.9 °C
Number of sunny days: 133 days
Number of rainy days: 232 days
Look at detailed online map of San Bernardino
* Weather data for San Bernardino 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) | 32.7 | 34.0 | 36.5 | 39.0 | 39.2 | 40.1 | 38.5 | 37.3 | 36.5 | 37.2 | 33.8 | 33.1 |
| Average daytime temperature (°C) | 30.1 | 31.1 | 33.7 | 35.8 | 36.5 | 37.6 | 36.1 | 35.2 | 35.0 | 33.5 | 30.7 | 28.7 |
| Average temperature (°C) | 24.1 | 24.9 | 26.8 | 28.2 | 28.7 | 29.7 | 28.9 | 28.4 | 27.8 | 27.1 | 25.4 | 23.4 |
| Average night temperature (°C) | 19.7 | 20.2 | 21.5 | 22.3 | 23.1 | 24.4 | 24.5 | 24.4 | 23.6 | 22.9 | 21.9 | 19.8 |
| Absolute minimum temperature (°C) | 14.4 | 14.4 | 18.3 | 17.9 | 17.5 | 21.2 | 23.5 | 22.8 | 21.9 | 18.6 | 19.8 | 12.9 |
| 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 | 11.5 | 12.0 | 12.6 | 13.1 | 13.4 | 13.3 | 12.8 | 12.3 | 11.7 | 11.2 | 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) | 9.6 | 10.1 | 10.4 | 11.6 | 11.7 | 11.7 | 11.1 | 11.3 | 11.0 | 10.2 | 9.3 | 9.1 |
| Precipitation (mm) | 22 | 13 | 21 | 16 | 41 | 38 | 94 | 122 | 115 | 83 | 53 | 59 |
| Sunny days | 16 | 17 | 22 | 22 | 14 | 9 | 2 | 2 | 1 | 11 | 7 | 10 |
| Rainy days | 15 | 11 | 9 | 8 | 17 | 21 | 29 | 29 | 29 | 20 | 23 | 21 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Bernardino is at