Average annual temperature is 12.2 °C
Absolute maximum temperature: 26.1 °C
Absolute minimum temperature: -0.8 °C
Number of sunny days: 109 days
Number of rainy days: 256 days
Look at detailed online map of San Juan
* Weather data for San Juan 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) | 22.0 | 24.4 | 25.8 | 26.1 | 24.3 | 26.1 | 21.9 | 23.6 | 21.2 | 21.8 | 24.9 | 20.3 |
| Average daytime temperature (°C) | 17.5 | 19.2 | 21.0 | 21.1 | 21.4 | 22.7 | 19.2 | 19.2 | 19.7 | 18.0 | 17.1 | 14.8 |
| Average temperature (°C) | 9.6 | 10.5 | 12.7 | 13.5 | 14.0 | 15.5 | 13.2 | 13.3 | 13.0 | 12.2 | 10.6 | 8.6 |
| Average night temperature (°C) | 3.7 | 4.3 | 6.7 | 8.2 | 8.2 | 9.6 | 8.4 | 9.0 | 7.8 | 8.4 | 6.4 | 4.4 |
| Absolute minimum temperature (°C) | -0.2 | -0.5 | 2.0 | 6.4 | 6.0 | 6.9 | 5.5 | 6.4 | 5.4 | 4.4 | 1.2 | -0.8 |
| 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 | 13.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.1 | 11.5 | 12.0 | 12.6 | 13.1 | 13.3 | 13.2 | 12.8 | 12.3 | 11.7 | 11.2 | 11.0 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 11.0 | 10.0 |
| Sunshine mean duration (h) | 10.2 | 10.4 | 10.6 | 11.2 | 11.7 | 12.2 | 11.1 | 10.5 | 11.2 | 8.9 | 8.5 | 7.7 |
| Precipitation (mm) | 14 | 9 | 68 | 73 | 113 | 63 | 133 | 120 | 38 | 122 | 34 | 75 |
| Sunny days | 20 | 18 | 11 | 3 | 3 | 14 | 3 | 1 | 7 | 9 | 12 | 8 |
| Rainy days | 11 | 10 | 20 | 27 | 28 | 16 | 28 | 30 | 23 | 22 | 18 | 23 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Juan is at