Average annual temperature is 25.7 °C
Absolute maximum temperature: 37.5 °C
Absolute minimum temperature: 10.7 °C
Number of sunny days: 85 days
Number of rainy days: 280 days
Look at detailed online map of San Juán
* Weather data for San Juán 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) | 32.5 | 32.3 | 32.4 | 31.8 | 32.1 | 31.7 | 33.3 | 35.7 | 37.2 | 37.5 | 37.2 | 33.8 |
| Average daytime temperature (°C) | 29.9 | 28.8 | 29.5 | 29.4 | 28.8 | 28.9 | 31.5 | 33.2 | 34.8 | 34.6 | 33.3 | 31.7 |
| Average temperature (°C) | 24.7 | 24.4 | 24.7 | 24.8 | 24.5 | 23.2 | 25.2 | 26.6 | 27.8 | 28.3 | 27.3 | 26.2 |
| Average night temperature (°C) | 21.7 | 21.7 | 22.0 | 21.8 | 21.6 | 19.0 | 20.1 | 21.5 | 23.1 | 23.8 | 23.3 | 22.9 |
| Absolute minimum temperature (°C) | 18.1 | 18.8 | 20.9 | 19.6 | 18.8 | 10.7 | 15.8 | 17.4 | 21.1 | 22.3 | 19.3 | 21.6 |
| 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 | 11.9 | 11.6 | 11.5 | 11.5 | 11.8 | 12.0 | 12.3 | 12.6 | 12.8 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 8.6 | 7.4 | 7.7 | 8.7 | 8.6 | 9.8 | 10.6 | 10.3 | 10.1 | 10.4 | 9.8 | 9.0 |
| Precipitation (mm) | 226 | 278 | 327 | 209 | 115 | 31 | 3 | 30 | 59 | 102 | 160 | 227 |
| Sunny days | 2 | 1 | 0 | 0 | 5 | 10 | 21 | 19 | 10 | 11 | 6 | 0 |
| Rainy days | 29 | 27 | 31 | 30 | 26 | 20 | 10 | 12 | 20 | 20 | 24 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Juán is at