Average annual temperature is 21.9 °C
Absolute maximum temperature: 40.7 °C
Absolute minimum temperature: 4.0 °C
Number of sunny days: 179 days
Number of rainy days: 186 days
Look at detailed online map of San Martín
* Weather data for San Martín 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) | 38.2 | 34.0 | 33.9 | 29.4 | 29.5 | 29.4 | 30.3 | 37.4 | 36.5 | 40.7 | 39.6 | 37.5 |
| Average daytime temperature (°C) | 32.4 | 29.9 | 30.2 | 23.9 | 22.2 | 22.4 | 21.9 | 26.8 | 28.6 | 30.9 | 31.5 | 30.5 |
| Average temperature (°C) | 26.1 | 23.8 | 24.4 | 19.7 | 17.9 | 16.7 | 16.9 | 20.2 | 22.3 | 24.4 | 25.3 | 24.8 |
| Average night temperature (°C) | 19.9 | 18.6 | 19.4 | 16.3 | 14.2 | 12.2 | 12.9 | 14.2 | 17.0 | 18.8 | 20.1 | 20.3 |
| Absolute minimum temperature (°C) | 15.6 | 11.3 | 17.1 | 11.6 | 7.9 | 4.0 | 6.0 | 8.0 | 10.2 | 12.3 | 13.7 | 16.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.3 | 12.8 | 12.2 | 11.6 | 11.1 | 10.8 | 10.9 | 11.4 | 12.0 | 12.6 | 13.1 | 13.4 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 |
| Sunshine mean duration (h) | 10.7 | 10.1 | 10.1 | 7.1 | 5.9 | 8.2 | 6.5 | 10.1 | 9.5 | 9.1 | 8.7 | 8.4 |
| Precipitation (mm) | 115 | 109 | 227 | 116 | 24 | 6 | 10 | 0 | 4 | 39 | 117 | 246 |
| Sunny days | 13 | 3 | 6 | 11 | 14 | 22 | 21 | 31 | 25 | 17 | 11 | 5 |
| Rainy days | 18 | 25 | 25 | 19 | 17 | 8 | 10 | 0 | 5 | 14 | 19 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Martín is at