Average annual temperature is 21.0 °C
Absolute maximum temperature: 38.1 °C
Absolute minimum temperature: 4.4 °C
Number of sunny days: 275 days
Number of rainy days: 90 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) | 27.9 | 31.0 | 32.1 | 33.5 | 34.2 | 38.1 | 32.5 | 31.3 | 34.7 | 31.6 | 29.9 | 23.7 |
| Average daytime temperature (°C) | 24.4 | 26.7 | 29.8 | 30.9 | 31.7 | 34.7 | 28.9 | 28.5 | 30.6 | 27.3 | 26.0 | 20.5 |
| Average temperature (°C) | 16.5 | 18.7 | 21.6 | 23.1 | 24.3 | 26.8 | 22.2 | 21.8 | 23.4 | 20.6 | 18.3 | 14.1 |
| Average night temperature (°C) | 8.8 | 11.0 | 13.3 | 15.0 | 16.5 | 18.7 | 16.3 | 16.3 | 16.7 | 14.7 | 11.7 | 8.9 |
| Absolute minimum temperature (°C) | 5.3 | 6.8 | 10.6 | 12.0 | 14.1 | 15.3 | 14.2 | 13.5 | 13.5 | 8.5 | 7.0 | 4.4 |
| 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 | 11.4 | 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) | 10.0 | 10.4 | 11.2 | 11.7 | 11.9 | 12.1 | 11.9 | 11.3 | 11.4 | 10.0 | 9.8 | 7.8 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 1 | 36 | 98 | 82 | 12 | 56 | 40 | 52 |
| Sunny days | 30 | 28 | 30 | 30 | 27 | 27 | 12 | 10 | 23 | 18 | 19 | 21 |
| Rainy days | 1 | 0 | 1 | 0 | 4 | 3 | 19 | 21 | 7 | 13 | 11 | 10 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Rosario is at