Average annual temperature is 20.4 °C
Absolute maximum temperature: 43.3 °C
Absolute minimum temperature: -2.4 °C
Number of sunny days: 259 days
Number of rainy days: 106 days
Look at detailed online map of Viejo
* Weather data for 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) | 27.2 | 28.0 | 29.7 | 35.1 | 35.6 | 43.3 | 39.3 | 39.5 | 38.3 | 36.5 | 33.0 | 28.1 |
| Average daytime temperature (°C) | 21.4 | 22.3 | 24.9 | 29.6 | 32.0 | 37.2 | 35.1 | 34.6 | 34.7 | 30.5 | 26.0 | 24.1 |
| Average temperature (°C) | 12.4 | 13.2 | 15.8 | 19.5 | 23.2 | 28.0 | 27.2 | 26.4 | 25.9 | 21.9 | 17.3 | 13.9 |
| Average night temperature (°C) | 4.4 | 5.8 | 6.9 | 8.3 | 12.9 | 17.4 | 19.7 | 19.2 | 17.6 | 14.2 | 10.0 | 5.7 |
| Absolute minimum temperature (°C) | -2.4 | 0.7 | 0.4 | 3.2 | 8.6 | 12.1 | 17.7 | 16.8 | 14.3 | 7.4 | 4.2 | 1.2 |
| 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) | 9.0 | 9.0 | 10.0 | 11.9 | 12.1 | 12.5 | 12.3 | 11.5 | 11.4 | 9.5 | 9.2 | 9.1 |
| Precipitation (mm) | 31 | 36 | 21 | 0 | 1 | 4 | 25 | 34 | 18 | 34 | 11 | 12 |
| Sunny days | 23 | 21 | 25 | 29 | 29 | 24 | 5 | 9 | 20 | 24 | 23 | 27 |
| Rainy days | 8 | 7 | 6 | 1 | 2 | 6 | 26 | 22 | 10 | 7 | 7 | 4 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Viejo is at