Average annual temperature is 23.2 °C
Absolute maximum temperature: 34.0 °C
Absolute minimum temperature: 15.1 °C
Number of sunny days: 159 days
Number of rainy days: 206 days
Look at detailed online map of Rosario
* Weather data for Rosario Peru is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 30.2 | 28.8 | 30.8 | 30.7 | 30.2 | 29.7 | 31.3 | 32.6 | 34.0 | 33.9 | 32.2 | 31.1 |
| Average daytime temperature (°C) | 26.5 | 26.1 | 26.5 | 27.1 | 27.7 | 27.3 | 29.1 | 30.0 | 30.4 | 29.2 | 27.8 | 28.1 |
| Average temperature (°C) | 22.3 | 22.0 | 22.4 | 22.7 | 23.1 | 21.9 | 23.1 | 24.0 | 24.7 | 24.4 | 23.5 | 23.9 |
| Average night temperature (°C) | 19.3 | 19.1 | 19.4 | 19.6 | 19.7 | 18.0 | 18.7 | 19.3 | 20.1 | 20.7 | 20.2 | 20.8 |
| Absolute minimum temperature (°C) | 17.6 | 17.4 | 17.8 | 17.7 | 17.4 | 15.1 | 15.4 | 15.9 | 17.7 | 18.5 | 17.2 | 19.4 |
| 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) | 12.8 | 12.5 | 12.2 | 11.8 | 11.5 | 11.4 | 11.5 | 11.7 | 12.0 | 12.4 | 12.7 | 12.9 |
| 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) | 8.3 | 7.1 | 8.2 | 8.7 | 9.9 | 9.7 | 9.9 | 10.3 | 10.3 | 9.4 | 8.4 | 8.8 |
| Precipitation (mm) | 126 | 190 | 137 | 47 | 25 | 8 | 19 | 7 | 30 | 51 | 131 | 52 |
| Sunny days | 5 | 2 | 8 | 10 | 18 | 27 | 25 | 24 | 16 | 10 | 7 | 7 |
| Rainy days | 26 | 26 | 23 | 20 | 13 | 3 | 6 | 7 | 14 | 21 | 23 | 24 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Rosario is at