Average annual temperature is 25.6 °C
Absolute maximum temperature: 38.9 °C
Absolute minimum temperature: 9.1 °C
Number of sunny days: 103 days
Number of rainy days: 262 days
Look at detailed online map of San Bernardino
* Weather data for San Bernardino Bolivia is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 32.8 | 32.6 | 32.7 | 32.3 | 31.2 | 31.1 | 34.0 | 36.0 | 38.1 | 38.9 | 38.5 | 35.4 |
| Average daytime temperature (°C) | 29.4 | 29.6 | 29.1 | 29.1 | 28.4 | 27.6 | 30.8 | 32.7 | 34.4 | 34.7 | 34.2 | 32.5 |
| Average temperature (°C) | 25.0 | 24.8 | 24.8 | 24.5 | 23.9 | 22.0 | 23.9 | 26.0 | 28.0 | 28.7 | 28.5 | 27.4 |
| Average night temperature (°C) | 21.9 | 22.1 | 22.2 | 21.4 | 20.4 | 17.5 | 18.4 | 20.9 | 23.4 | 24.2 | 24.3 | 23.8 |
| Absolute minimum temperature (°C) | 18.6 | 19.0 | 21.0 | 16.4 | 16.1 | 9.1 | 14.4 | 15.8 | 16.7 | 21.8 | 19.7 | 22.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 13.0 |
| Daylight mean duration (h) | 12.9 | 12.6 | 12.2 | 11.8 | 11.4 | 11.3 | 11.3 | 11.6 | 12.0 | 12.4 | 12.8 | 13.0 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 9.1 | 8.7 | 7.8 | 8.8 | 8.6 | 9.7 | 10.5 | 9.4 | 9.8 | 10.5 | 10.6 | 10.5 |
| Precipitation (mm) | 299 | 320 | 282 | 134 | 108 | 24 | 1 | 30 | 52 | 66 | 96 | 163 |
| Sunny days | 2 | 2 | 0 | 1 | 6 | 18 | 28 | 20 | 10 | 3 | 10 | 3 |
| Rainy days | 29 | 26 | 31 | 29 | 25 | 12 | 3 | 11 | 20 | 28 | 20 | 28 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Bernardino is at