Average annual temperature is 21.7 °C
Absolute maximum temperature: 41.2 °C
Absolute minimum temperature: 0.3 °C
Number of sunny days: 310 days
Number of rainy days: 54 days
Number of snow days: 1 day
Look at detailed online map of Rosario Viejo
* Weather data for Rosario Viejo 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) | 25.8 | 31.9 | 32.3 | 32.9 | 35.6 | 41.2 | 38.6 | 39.7 | 37.9 | 31.9 | 30.7 | 25.5 |
| Average daytime temperature (°C) | 21.6 | 24.1 | 27.7 | 28.9 | 31.2 | 37.2 | 34.6 | 35.0 | 33.7 | 25.9 | 22.3 | 19.9 |
| Average temperature (°C) | 14.6 | 15.5 | 19.4 | 21.3 | 24.3 | 30.4 | 28.6 | 28.9 | 27.5 | 20.4 | 15.7 | 13.9 |
| Average night temperature (°C) | 9.0 | 9.3 | 12.9 | 14.7 | 18.0 | 23.0 | 22.4 | 22.2 | 20.7 | 16.2 | 11.1 | 9.0 |
| Absolute minimum temperature (°C) | 2.6 | 0.3 | 1.8 | 9.8 | 14.5 | 18.5 | 19.9 | 18.8 | 18.1 | 5.3 | 3.9 | 0.9 |
| 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) | 10.7 | 11.2 | 12.0 | 12.8 | 13.5 | 13.8 | 13.6 | 13.1 | 12.3 | 11.5 | 10.8 | 10.5 |
| 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) | 9.6 | 9.9 | 10.3 | 11.5 | 11.4 | 12.5 | 11.8 | 11.7 | 11.3 | 8.1 | 8.5 | 8.9 |
| Precipitation (mm) | 0 | 0 | 12 | 0 | 15 | 0 | 26 | 8 | 7 | 40 | 11 | 0 |
| Sunny days | 31 | 27 | 27 | 30 | 20 | 26 | 24 | 29 | 25 | 15 | 27 | 29 |
| Rainy days | 0 | 0 | 4 | 0 | 11 | 4 | 7 | 2 | 5 | 16 | 3 | 2 |
| Snow days | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Rosario Viejo is at