Average annual temperature is 9.6 °C
Absolute maximum temperature: 21.8 °C
Absolute minimum temperature: -1.7 °C
Number of sunny days: 85 days
Number of rainy days: 280 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) | 17.0 | 18.7 | 20.8 | 21.8 | 18.3 | 20.2 | 15.6 | 16.7 | 15.8 | 18.0 | 18.5 | 16.4 |
| Average daytime temperature (°C) | 12.8 | 13.5 | 16.2 | 16.6 | 16.2 | 16.9 | 13.9 | 14.2 | 14.2 | 13.5 | 12.4 | 11.0 |
| Average temperature (°C) | 7.8 | 7.9 | 10.3 | 11.2 | 11.5 | 12.1 | 9.9 | 10.1 | 9.9 | 9.6 | 8.6 | 6.6 |
| Average night temperature (°C) | 3.9 | 3.5 | 5.6 | 6.9 | 7.5 | 8.2 | 7.4 | 7.3 | 6.9 | 6.9 | 5.9 | 3.5 |
| Absolute minimum temperature (°C) | -1.6 | 0.3 | 1.5 | 3.8 | 4.9 | 7.3 | 5.6 | 6.1 | 5.0 | 3.2 | 2.0 | -1.7 |
| 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 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.2 | 11.6 | 12.0 | 12.5 | 12.9 | 13.1 | 13.0 | 12.7 | 12.2 | 11.8 | 11.3 | 11.1 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.1 | 10.1 | 10.9 | 11.2 | 11.3 | 11.7 | 10.9 | 10.8 | 10.9 | 9.5 | 8.4 | 8.3 |
| Precipitation (mm) | 20 | 27 | 39 | 88 | 117 | 110 | 232 | 228 | 119 | 151 | 96 | 55 |
| Sunny days | 20 | 13 | 8 | 5 | 4 | 8 | 0 | 1 | 4 | 4 | 5 | 13 |
| Rainy days | 11 | 15 | 23 | 25 | 27 | 22 | 31 | 30 | 26 | 27 | 25 | 18 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Viejo is at