Average annual temperature is 24.0 °C
Absolute maximum temperature: 37.5 °C
Absolute minimum temperature: 13.5 °C
Number of sunny days: 112 days
Number of rainy days: 253 days
Look at detailed online map of Rosario
* Weather data for Rosario Mexico is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 27.8 | 29.0 | 32.2 | 36.0 | 35.3 | 37.5 | 30.8 | 32.2 | 30.7 | 31.4 | 28.5 | 29.4 |
| Average daytime temperature (°C) | 25.0 | 25.4 | 29.4 | 31.7 | 31.8 | 33.1 | 29.5 | 29.6 | 29.1 | 27.8 | 25.1 | 23.7 |
| Average temperature (°C) | 21.0 | 21.3 | 24.2 | 26.1 | 26.5 | 27.7 | 25.1 | 25.1 | 24.7 | 23.9 | 22.1 | 20.5 |
| Average night temperature (°C) | 17.9 | 18.2 | 19.7 | 21.0 | 21.8 | 22.9 | 21.7 | 21.5 | 21.3 | 21.2 | 20.1 | 18.3 |
| Absolute minimum temperature (°C) | 13.5 | 14.1 | 17.4 | 18.8 | 18.6 | 20.6 | 20.6 | 20.6 | 19.9 | 18.4 | 18.3 | 14.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.2 | 11.6 | 12.0 | 12.5 | 12.9 | 13.1 | 13.0 | 12.7 | 12.2 | 11.8 | 11.3 | 11.1 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 9.8 | 9.8 | 10.9 | 11.3 | 11.6 | 11.3 | 10.5 | 11.2 | 10.4 | 9.8 | 8.0 | 8.0 |
| Precipitation (mm) | 80 | 102 | 43 | 27 | 34 | 135 | 195 | 168 | 190 | 177 | 221 | 173 |
| Sunny days | 15 | 13 | 17 | 17 | 16 | 10 | 1 | 4 | 2 | 1 | 7 | 9 |
| Rainy days | 16 | 15 | 14 | 13 | 15 | 20 | 30 | 27 | 28 | 30 | 23 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Rosario is at