Average annual temperature is 16.2 °C
Absolute maximum temperature: 29.0 °C
Absolute minimum temperature: 3.8 °C
Number of sunny days: 96 days
Number of rainy days: 269 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) | 24.9 | 26.3 | 28.8 | 29.0 | 27.9 | 27.9 | 23.2 | 26.3 | 24.2 | 27.2 | 26.8 | 23.4 |
| Average daytime temperature (°C) | 19.5 | 19.9 | 22.8 | 24.1 | 24.0 | 24.5 | 21.4 | 21.7 | 22.8 | 21.1 | 18.8 | 16.5 |
| Average temperature (°C) | 13.7 | 13.9 | 16.2 | 17.7 | 18.1 | 19.2 | 17.2 | 17.2 | 17.6 | 16.4 | 14.7 | 12.5 |
| Average night temperature (°C) | 9.5 | 9.6 | 11.5 | 13.2 | 13.5 | 14.8 | 14.0 | 14.0 | 13.5 | 13.3 | 11.8 | 9.6 |
| Absolute minimum temperature (°C) | 5.7 | 5.8 | 8.0 | 9.3 | 10.9 | 13.1 | 12.8 | 11.8 | 12.0 | 8.4 | 9.1 | 3.8 |
| 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 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.2 | 11.6 | 12.0 | 12.6 | 13.0 | 13.2 | 13.1 | 12.7 | 12.2 | 11.7 | 11.3 | 11.1 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 9.8 | 9.6 | 10.6 | 11.0 | 11.5 | 11.8 | 10.9 | 10.8 | 11.2 | 9.7 | 7.6 | 7.3 |
| Precipitation (mm) | 23 | 46 | 38 | 68 | 71 | 138 | 108 | 130 | 15 | 128 | 96 | 102 |
| Sunny days | 16 | 14 | 9 | 5 | 9 | 9 | 3 | 3 | 8 | 4 | 6 | 10 |
| Rainy days | 15 | 14 | 22 | 25 | 22 | 21 | 28 | 28 | 22 | 27 | 24 | 21 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Bernardino is at