Average annual temperature is 27.0 °C
Absolute maximum temperature: 40.8 °C
Absolute minimum temperature: 13.3 °C
Number of sunny days: 139 days
Number of rainy days: 226 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) | 32.1 | 34.2 | 36.2 | 38.3 | 39.3 | 40.8 | 37.9 | 37.3 | 36.7 | 37.2 | 33.6 | 33.0 |
| Average daytime temperature (°C) | 29.7 | 31.0 | 33.5 | 35.4 | 36.0 | 37.1 | 35.7 | 35.1 | 35.2 | 33.3 | 30.7 | 28.4 |
| Average temperature (°C) | 24.1 | 24.9 | 26.7 | 28.0 | 28.6 | 29.7 | 28.9 | 28.6 | 28.2 | 27.2 | 25.6 | 23.4 |
| Average night temperature (°C) | 19.9 | 20.6 | 21.8 | 22.6 | 23.4 | 24.7 | 24.7 | 24.6 | 24.0 | 23.0 | 22.2 | 20.0 |
| Absolute minimum temperature (°C) | 13.9 | 15.2 | 18.5 | 18.5 | 17.7 | 21.7 | 23.7 | 23.3 | 22.4 | 18.8 | 19.8 | 13.3 |
| 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 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 11.0 | 11.5 | 12.0 | 12.6 | 13.1 | 13.4 | 13.3 | 12.8 | 12.3 | 11.7 | 11.1 | 10.9 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 9.5 | 9.9 | 10.4 | 11.6 | 11.8 | 11.7 | 11.2 | 11.6 | 11.0 | 10.3 | 9.3 | 8.9 |
| Precipitation (mm) | 22 | 12 | 19 | 12 | 22 | 51 | 62 | 85 | 105 | 52 | 57 | 68 |
| Sunny days | 16 | 17 | 22 | 23 | 17 | 9 | 3 | 1 | 2 | 10 | 10 | 9 |
| Rainy days | 15 | 11 | 9 | 7 | 14 | 21 | 28 | 30 | 28 | 21 | 20 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Rosario is at