Average annual temperature is 25.5 °C
Absolute maximum temperature: 37.6 °C
Absolute minimum temperature: 10.5 °C
Number of sunny days: 90 days
Number of rainy days: 275 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) | 32.4 | 32.4 | 32.3 | 31.8 | 32.0 | 31.6 | 33.1 | 35.3 | 36.4 | 37.3 | 37.6 | 33.8 |
| Average daytime temperature (°C) | 29.7 | 28.8 | 29.5 | 29.4 | 28.8 | 28.8 | 31.3 | 32.9 | 34.3 | 34.5 | 33.2 | 31.7 |
| Average temperature (°C) | 24.7 | 24.3 | 24.6 | 24.7 | 24.4 | 23.1 | 25.0 | 26.4 | 27.4 | 28.2 | 27.2 | 26.1 |
| Average night temperature (°C) | 21.5 | 21.5 | 21.8 | 21.6 | 21.4 | 18.8 | 19.8 | 21.3 | 22.8 | 23.6 | 23.2 | 22.9 |
| Absolute minimum temperature (°C) | 17.9 | 18.8 | 20.7 | 19.4 | 18.5 | 10.5 | 15.5 | 17.3 | 20.8 | 21.9 | 19.0 | 21.5 |
| 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 | 11.9 | 11.6 | 11.5 | 11.5 | 11.7 | 12.0 | 12.4 | 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) | 8.7 | 7.6 | 7.7 | 8.7 | 8.5 | 9.8 | 10.6 | 10.3 | 10.2 | 10.5 | 9.9 | 9.1 |
| Precipitation (mm) | 205 | 252 | 295 | 179 | 167 | 33 | 4 | 38 | 55 | 88 | 149 | 216 |
| Sunny days | 3 | 2 | 0 | 0 | 5 | 10 | 23 | 22 | 10 | 10 | 5 | 0 |
| Rainy days | 28 | 26 | 31 | 30 | 26 | 20 | 8 | 9 | 20 | 21 | 25 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Rosario is at