Average annual temperature is 15.8 °C
Absolute maximum temperature: 37.3 °C
Absolute minimum temperature: -11.8 °C
Number of sunny days: 253 days
Number of rainy days: 109 days
Number of snow days: 3 days
Look at detailed online map of San Juán
* Weather data for San Juán 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) | 21.2 | 21.7 | 22.9 | 29.6 | 29.3 | 37.3 | 36.8 | 34.9 | 34.6 | 30.5 | 26.5 | 22.8 |
| Average daytime temperature (°C) | 14.4 | 15.7 | 18.6 | 24.0 | 26.4 | 31.3 | 34.0 | 31.0 | 30.4 | 25.7 | 20.5 | 18.2 |
| Average temperature (°C) | 6.6 | 7.5 | 10.8 | 15.2 | 18.2 | 22.9 | 24.5 | 22.7 | 22.0 | 17.2 | 12.5 | 8.9 |
| Average night temperature (°C) | 0.7 | 1.8 | 3.8 | 5.7 | 8.8 | 13.8 | 16.5 | 16.2 | 14.7 | 10.5 | 6.4 | 2.5 |
| Absolute minimum temperature (°C) | -11.8 | -3.6 | -6.7 | 0.4 | 4.6 | 8.1 | 14.6 | 13.3 | 12.6 | 2.8 | 1.7 | -2.6 |
| 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 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.5 | 11.1 | 12.0 | 12.9 | 13.7 | 14.0 | 13.8 | 13.2 | 12.3 | 11.4 | 10.7 | 10.3 |
| 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) | 8.4 | 8.8 | 10.3 | 12.0 | 12.3 | 12.5 | 12.4 | 11.2 | 11.3 | 10.2 | 9.3 | 8.8 |
| Precipitation (mm) | 68 | 52 | 24 | 0 | 21 | 31 | 63 | 50 | 27 | 12 | 3 | 11 |
| Sunny days | 24 | 19 | 24 | 29 | 23 | 24 | 12 | 9 | 17 | 22 | 23 | 27 |
| Rainy days | 5 | 8 | 7 | 1 | 8 | 6 | 19 | 22 | 13 | 9 | 7 | 4 |
| Snow days | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Juán is at