Average annual temperature is 25.1 °C
Absolute maximum temperature: 46.0 °C
Absolute minimum temperature: 2.5 °C
Number of sunny days: 307 days
Number of rainy days: 58 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) | 27.7 | 29.2 | 32.3 | 38.0 | 37.9 | 46.0 | 43.4 | 45.1 | 43.1 | 42.5 | 36.6 | 31.2 |
| Average daytime temperature (°C) | 22.6 | 23.3 | 27.5 | 32.7 | 34.4 | 39.0 | 41.2 | 40.7 | 39.9 | 35.7 | 29.8 | 26.6 |
| Average temperature (°C) | 14.9 | 15.3 | 19.5 | 23.7 | 26.2 | 31.0 | 34.4 | 33.7 | 32.5 | 28.1 | 22.7 | 18.3 |
| Average night temperature (°C) | 8.5 | 9.6 | 12.2 | 14.8 | 18.0 | 23.5 | 28.2 | 27.7 | 25.5 | 21.6 | 16.0 | 10.7 |
| Absolute minimum temperature (°C) | 2.5 | 5.7 | 6.7 | 8.9 | 13.8 | 17.3 | 25.3 | 24.4 | 22.4 | 15.9 | 9.7 | 6.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.5 | 11.2 | 12.0 | 12.9 | 13.6 | 14.0 | 13.8 | 13.2 | 12.3 | 11.5 | 10.7 | 10.3 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 8.9 | 8.9 | 10.2 | 12.0 | 12.2 | 12.2 | 12.4 | 11.2 | 11.3 | 10.3 | 9.2 | 9.2 |
| Precipitation (mm) | 5 | 37 | 2 | 0 | 0 | 0 | 7 | 34 | 3 | 1 | 1 | 2 |
| Sunny days | 27 | 17 | 29 | 30 | 31 | 28 | 17 | 18 | 26 | 27 | 28 | 29 |
| Rainy days | 4 | 11 | 2 | 0 | 0 | 2 | 14 | 13 | 4 | 4 | 2 | 2 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Rosario is at