Average annual temperature is 26.3 °C
Absolute maximum temperature: 39.3 °C
Absolute minimum temperature: 10.7 °C
Number of sunny days: 95 days
Number of rainy days: 270 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) | 33.3 | 32.5 | 32.6 | 31.9 | 32.4 | 32.4 | 33.6 | 37.3 | 37.8 | 39.3 | 37.8 | 34.5 |
| Average daytime temperature (°C) | 30.1 | 29.4 | 29.4 | 29.6 | 28.9 | 28.9 | 31.8 | 33.7 | 34.7 | 35.7 | 34.1 | 32.1 |
| Average temperature (°C) | 25.6 | 25.0 | 25.1 | 25.2 | 24.9 | 23.5 | 25.6 | 27.3 | 28.4 | 29.4 | 28.2 | 27.0 |
| Average night temperature (°C) | 22.4 | 22.3 | 22.5 | 22.5 | 22.1 | 19.5 | 20.4 | 22.2 | 23.9 | 24.8 | 24.2 | 23.8 |
| Absolute minimum temperature (°C) | 18.7 | 18.5 | 21.1 | 19.9 | 19.7 | 10.7 | 16.1 | 18.6 | 21.6 | 22.8 | 20.6 | 22.5 |
| 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 | 12.0 |
| Daylight mean duration (h) | 12.7 | 12.5 | 12.2 | 11.8 | 11.6 | 11.4 | 11.5 | 11.7 | 12.0 | 12.4 | 12.7 | 12.8 |
| 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) | 9.4 | 8.4 | 7.8 | 8.2 | 8.5 | 9.7 | 10.6 | 10.2 | 10.3 | 10.3 | 9.9 | 9.7 |
| Precipitation (mm) | 224 | 297 | 510 | 201 | 164 | 37 | 2 | 30 | 80 | 96 | 96 | 218 |
| Sunny days | 3 | 1 | 0 | 2 | 1 | 11 | 25 | 22 | 12 | 11 | 5 | 2 |
| Rainy days | 28 | 27 | 31 | 28 | 30 | 19 | 6 | 9 | 18 | 20 | 25 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Juan is at