Average annual temperature is 25.9 °C
Absolute maximum temperature: 39.7 °C
Absolute minimum temperature: 10.7 °C
Number of sunny days: 101 days
Number of rainy days: 264 days
Look at detailed online map of Rosario
* Weather data for 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) | 34.0 | 32.9 | 32.8 | 32.6 | 32.6 | 31.1 | 32.1 | 34.8 | 38.0 | 39.7 | 39.2 | 34.8 |
| Average daytime temperature (°C) | 30.4 | 29.5 | 30.0 | 29.9 | 28.5 | 27.6 | 29.3 | 31.9 | 34.3 | 36.2 | 34.7 | 32.1 |
| Average temperature (°C) | 25.6 | 24.9 | 25.3 | 25.1 | 24.0 | 22.6 | 24.0 | 25.8 | 28.2 | 29.7 | 28.7 | 27.0 |
| Average night temperature (°C) | 22.0 | 21.8 | 22.4 | 21.5 | 20.9 | 18.5 | 19.9 | 21.1 | 23.3 | 24.8 | 24.6 | 23.6 |
| Absolute minimum temperature (°C) | 19.1 | 16.6 | 21.1 | 17.8 | 17.3 | 10.7 | 16.2 | 16.9 | 18.1 | 20.7 | 19.1 | 22.2 |
| 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) | 12.9 | 12.6 | 12.2 | 11.8 | 11.4 | 11.3 | 11.4 | 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) | 8.6 | 7.8 | 7.8 | 9.3 | 8.1 | 9.1 | 9.6 | 10.1 | 9.4 | 10.5 | 9.8 | 9.1 |
| Precipitation (mm) | 342 | 307 | 344 | 162 | 178 | 90 | 26 | 59 | 30 | 50 | 179 | 279 |
| Sunny days | 3 | 4 | 0 | 4 | 7 | 12 | 14 | 24 | 15 | 12 | 4 | 2 |
| Rainy days | 28 | 24 | 31 | 26 | 24 | 18 | 17 | 7 | 15 | 19 | 26 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Rosario is at