Average annual temperature is 24.3 °C
Absolute maximum temperature: 39.5 °C
Absolute minimum temperature: 8.3 °C
Number of sunny days: 110 days
Number of rainy days: 255 days
Look at detailed online map of San Simón
* Weather data for San Simón 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) | 33.5 | 31.7 | 31.9 | 30.2 | 28.7 | 28.2 | 29.6 | 31.8 | 35.5 | 39.5 | 36.9 | 34.6 |
| Average daytime temperature (°C) | 30.1 | 28.8 | 29.7 | 27.6 | 25.4 | 24.6 | 25.0 | 28.8 | 30.6 | 32.3 | 32.5 | 32.2 |
| Average temperature (°C) | 25.0 | 24.4 | 24.9 | 23.4 | 21.5 | 20.4 | 20.9 | 23.7 | 25.5 | 27.0 | 27.4 | 27.1 |
| Average night temperature (°C) | 21.3 | 21.4 | 21.7 | 20.2 | 18.8 | 17.4 | 18.0 | 20.1 | 21.6 | 22.6 | 23.7 | 23.2 |
| Absolute minimum temperature (°C) | 17.5 | 17.5 | 20.7 | 16.2 | 14.4 | 8.3 | 12.2 | 13.6 | 15.9 | 16.3 | 18.0 | 20.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.0 | 12.7 | 12.2 | 11.7 | 11.3 | 11.1 | 11.2 | 11.5 | 12.0 | 12.5 | 12.9 | 13.2 |
| 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 | 13.0 |
| Sunshine mean duration (h) | 9.3 | 8.0 | 8.9 | 8.3 | 6.4 | 8.5 | 7.3 | 8.9 | 8.8 | 9.2 | 9.9 | 10.3 |
| Precipitation (mm) | 199 | 248 | 267 | 126 | 114 | 69 | 83 | 39 | 74 | 134 | 78 | 203 |
| Sunny days | 6 | 4 | 0 | 7 | 11 | 12 | 10 | 21 | 14 | 12 | 9 | 4 |
| Rainy days | 25 | 24 | 31 | 23 | 20 | 18 | 21 | 10 | 16 | 19 | 21 | 27 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Simón is at