Average annual temperature is 20.3 °C
Absolute maximum temperature: 35.6 °C
Absolute minimum temperature: 6.3 °C
Number of sunny days: 165 days
Number of rainy days: 200 days
Look at detailed online map of Rosário
* Weather data for Rosário Brazil is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 29.5 | 29.8 | 28.9 | 27.7 | 26.3 | 24.7 | 26.7 | 30.3 | 33.6 | 31.9 | 35.6 | 31.4 |
| Average daytime temperature (°C) | 25.6 | 27.6 | 27.2 | 25.1 | 23.4 | 22.1 | 22.8 | 25.1 | 28.5 | 28.9 | 29.6 | 28.9 |
| Average temperature (°C) | 21.0 | 22.1 | 21.8 | 19.6 | 17.2 | 15.5 | 16.3 | 18.4 | 21.6 | 23.0 | 23.4 | 23.3 |
| Average night temperature (°C) | 17.7 | 17.8 | 17.5 | 15.3 | 12.4 | 10.2 | 11.3 | 12.9 | 15.6 | 18.4 | 18.1 | 18.8 |
| Absolute minimum temperature (°C) | 15.1 | 16.3 | 14.9 | 11.5 | 7.0 | 7.5 | 6.3 | 9.5 | 11.8 | 16.0 | 12.8 | 17.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.3 | 12.8 | 12.2 | 11.6 | 11.1 | 10.9 | 11.0 | 11.4 | 12.0 | 12.6 | 13.1 | 13.4 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 |
| Sunshine mean duration (h) | 8.0 | 10.1 | 9.8 | 9.0 | 8.8 | 9.2 | 9.3 | 9.0 | 10.6 | 9.6 | 10.8 | 11.3 |
| Precipitation (mm) | 433 | 154 | 92 | 77 | 10 | 0 | 7 | 20 | 24 | 124 | 154 | 91 |
| Sunny days | 0 | 0 | 7 | 11 | 26 | 28 | 25 | 23 | 24 | 8 | 10 | 3 |
| Rainy days | 31 | 28 | 24 | 19 | 5 | 2 | 6 | 8 | 6 | 23 | 20 | 28 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Rosário is at