Average annual temperature is 21.6 °C
Absolute maximum temperature: 41.8 °C
Absolute minimum temperature: 1.7 °C
Number of sunny days: 181 days
Number of rainy days: 184 days
Look at detailed online map of San Telmo
* Weather data for San Telmo 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) | 39.9 | 36.7 | 34.4 | 30.3 | 28.2 | 28.1 | 29.7 | 38.7 | 36.6 | 38.5 | 41.8 | 38.7 |
| Average daytime temperature (°C) | 33.4 | 30.5 | 30.7 | 24.8 | 22.8 | 22.1 | 21.5 | 27.1 | 28.0 | 30.9 | 32.3 | 30.7 |
| Average temperature (°C) | 26.4 | 24.3 | 25.0 | 20.2 | 18.1 | 16.1 | 15.9 | 18.6 | 21.1 | 23.5 | 25.5 | 25.0 |
| Average night temperature (°C) | 20.2 | 19.2 | 20.2 | 16.5 | 13.9 | 11.1 | 11.2 | 11.4 | 15.3 | 17.0 | 20.0 | 20.8 |
| Absolute minimum temperature (°C) | 15.0 | 11.4 | 18.6 | 11.1 | 8.1 | 1.7 | 4.8 | 6.4 | 5.7 | 9.0 | 10.6 | 17.0 |
| 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 | 11.0 | 10.8 | 10.9 | 11.4 | 12.0 | 12.6 | 13.2 | 13.5 |
| 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) | 10.0 | 9.7 | 10.0 | 7.1 | 6.7 | 7.5 | 6.5 | 10.0 | 8.6 | 8.4 | 8.8 | 8.5 |
| Precipitation (mm) | 142 | 151 | 247 | 111 | 30 | 26 | 11 | 0 | 17 | 42 | 102 | 272 |
| Sunny days | 11 | 4 | 2 | 12 | 17 | 22 | 24 | 30 | 22 | 18 | 11 | 8 |
| Rainy days | 20 | 24 | 29 | 18 | 14 | 8 | 7 | 1 | 8 | 13 | 19 | 23 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Telmo is at