Average annual temperature is 22.6 °C
Absolute maximum temperature: 43.6 °C
Absolute minimum temperature: 1.2 °C
Number of sunny days: 268 days
Number of rainy days: 97 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) | 29.3 | 29.8 | 31.2 | 36.6 | 37.4 | 43.6 | 39.6 | 39.6 | 40.9 | 39.0 | 34.5 | 31.5 |
| Average daytime temperature (°C) | 22.7 | 23.7 | 26.4 | 31.3 | 33.8 | 38.6 | 37.1 | 36.1 | 36.8 | 32.2 | 28.2 | 26.5 |
| Average temperature (°C) | 14.4 | 14.9 | 17.8 | 21.6 | 24.8 | 29.5 | 29.4 | 28.4 | 28.4 | 24.0 | 20.4 | 17.1 |
| Average night temperature (°C) | 7.8 | 8.3 | 10.1 | 12.2 | 15.0 | 20.6 | 23.0 | 22.5 | 21.6 | 17.5 | 14.1 | 10.0 |
| Absolute minimum temperature (°C) | 1.2 | 3.2 | 2.6 | 6.2 | 11.4 | 14.5 | 20.4 | 18.9 | 18.2 | 10.5 | 10.8 | 5.8 |
| 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) | 10.6 | 11.2 | 12.0 | 12.8 | 13.5 | 13.9 | 13.7 | 13.1 | 12.3 | 11.5 | 10.8 | 10.4 |
| 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) | 9.1 | 9.4 | 10.1 | 11.9 | 12.2 | 12.5 | 11.6 | 11.1 | 11.3 | 9.8 | 9.2 | 9.0 |
| Precipitation (mm) | 23 | 28 | 19 | 0 | 0 | 3 | 51 | 43 | 30 | 51 | 8 | 6 |
| Sunny days | 28 | 19 | 27 | 30 | 30 | 25 | 6 | 10 | 21 | 21 | 23 | 28 |
| Rainy days | 3 | 9 | 4 | 0 | 1 | 5 | 25 | 21 | 9 | 10 | 7 | 3 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Rosario is at