Average annual temperature is 17.4 °C
Absolute maximum temperature: 30.7 °C
Absolute minimum temperature: 4.1 °C
Number of sunny days: 181 days
Number of rainy days: 184 days
Look at detailed online map of San Juan Viejo
* Weather data for San Juan 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) | 25.5 | 29.0 | 28.9 | 30.7 | 30.5 | 30.3 | 25.6 | 26.8 | 27.2 | 26.6 | 28.5 | 26.3 |
| Average daytime temperature (°C) | 23.4 | 24.7 | 26.7 | 27.5 | 27.0 | 26.9 | 23.9 | 24.1 | 24.0 | 23.9 | 25.1 | 22.9 |
| Average temperature (°C) | 15.4 | 16.2 | 18.0 | 18.9 | 19.1 | 19.7 | 17.4 | 17.5 | 17.5 | 17.2 | 17.0 | 14.8 |
| Average night temperature (°C) | 8.8 | 9.3 | 10.9 | 12.0 | 12.9 | 14.0 | 12.8 | 12.9 | 12.3 | 12.2 | 11.3 | 8.7 |
| Absolute minimum temperature (°C) | 5.6 | 6.7 | 8.0 | 9.8 | 10.1 | 11.5 | 11.3 | 11.2 | 10.3 | 9.2 | 8.1 | 4.1 |
| 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) | 11.3 | 11.6 | 12.0 | 12.5 | 12.9 | 13.1 | 13.0 | 12.7 | 12.2 | 11.8 | 11.4 | 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) | 10.4 | 10.7 | 11.1 | 11.3 | 11.0 | 11.5 | 10.6 | 10.5 | 10.5 | 10.2 | 10.3 | 10.0 |
| Precipitation (mm) | 0 | 0 | 7 | 32 | 64 | 68 | 128 | 124 | 78 | 64 | 10 | 3 |
| Sunny days | 30 | 27 | 20 | 14 | 14 | 10 | 1 | 1 | 10 | 11 | 18 | 25 |
| Rainy days | 1 | 1 | 11 | 16 | 17 | 20 | 30 | 30 | 20 | 20 | 12 | 6 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Juan Viejo is at