Average annual temperature is 26.2 °C
Absolute maximum temperature: 40.0 °C
Absolute minimum temperature: 10.6 °C
Number of sunny days: 109 days
Number of rainy days: 256 days
Look at detailed online map of San Juan
* Weather data for San Juan 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) | 33.6 | 32.6 | 32.8 | 32.5 | 32.0 | 31.2 | 33.1 | 36.0 | 37.6 | 40.0 | 39.0 | 34.4 |
| Average daytime temperature (°C) | 30.1 | 29.5 | 29.7 | 29.9 | 28.3 | 27.9 | 30.0 | 32.2 | 33.1 | 35.0 | 33.6 | 32.1 |
| Average temperature (°C) | 26.0 | 25.4 | 25.8 | 25.8 | 24.3 | 23.0 | 24.5 | 26.3 | 27.6 | 29.1 | 28.5 | 27.5 |
| Average night temperature (°C) | 23.0 | 22.5 | 23.1 | 22.7 | 21.6 | 19.3 | 20.2 | 21.8 | 23.3 | 25.0 | 24.9 | 24.4 |
| Absolute minimum temperature (°C) | 19.3 | 18.3 | 22.0 | 19.3 | 18.5 | 10.6 | 15.8 | 17.1 | 15.2 | 20.8 | 19.3 | 22.7 |
| 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 | 12.0 | 13.0 |
| Daylight mean duration (h) | 12.9 | 12.6 | 12.2 | 11.8 | 11.4 | 11.2 | 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) | 8.8 | 7.5 | 7.3 | 9.3 | 7.8 | 9.4 | 9.9 | 9.8 | 9.3 | 10.6 | 9.8 | 10.0 |
| Precipitation (mm) | 339 | 364 | 301 | 113 | 171 | 50 | 15 | 39 | 97 | 122 | 188 | 246 |
| Sunny days | 3 | 3 | 1 | 5 | 7 | 11 | 22 | 24 | 16 | 11 | 6 | 0 |
| Rainy days | 28 | 25 | 30 | 25 | 24 | 19 | 9 | 7 | 14 | 20 | 24 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Juan is at