Average annual temperature is 9.0 °C
Absolute maximum temperature: 21.5 °C
Absolute minimum temperature: -6.1 °C
Number of sunny days: 136 days
Number of rainy days: 229 days
Look at detailed online map of San Juan Rosario
* Weather data for San Juan Rosario 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) | 19.6 | 17.9 | 17.9 | 18.5 | 17.9 | 16.4 | 17.4 | 19.4 | 21.3 | 21.5 | 21.0 | 19.7 |
| Average daytime temperature (°C) | 15.6 | 14.3 | 15.1 | 15.8 | 14.3 | 14.3 | 15.6 | 15.8 | 17.4 | 18.6 | 17.6 | 15.4 |
| Average temperature (°C) | 9.4 | 8.8 | 8.9 | 8.8 | 7.5 | 6.3 | 7.5 | 7.8 | 9.9 | 11.5 | 11.1 | 10.1 |
| Average night temperature (°C) | 3.7 | 4.2 | 3.9 | 1.7 | 0.3 | -2.1 | -1.0 | -0.6 | 1.9 | 4.4 | 4.7 | 5.6 |
| Absolute minimum temperature (°C) | -0.4 | 1.3 | 1.8 | -0.7 | -3.4 | -6.1 | -3.8 | -3.2 | -3.0 | -0.1 | 3.0 | 1.9 |
| 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 | 12.6 | 12.2 | 11.7 | 11.3 | 11.2 | 11.2 | 11.6 | 12.0 | 12.5 | 12.9 | 13.1 |
| 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) | 10.7 | 10.1 | 10.4 | 10.8 | 10.3 | 10.4 | 10.5 | 10.7 | 11.0 | 11.4 | 11.2 | 10.7 |
| Precipitation (mm) | 109 | 156 | 108 | 26 | 33 | 0 | 3 | 8 | 13 | 34 | 103 | 186 |
| Sunny days | 1 | 0 | 0 | 15 | 17 | 30 | 26 | 25 | 11 | 7 | 3 | 1 |
| Rainy days | 30 | 28 | 31 | 15 | 14 | 0 | 5 | 6 | 19 | 24 | 27 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Juan Rosario is at