Average annual temperature is 11.4 °C
Absolute maximum temperature: 24.5 °C
Absolute minimum temperature: -1.7 °C
Number of sunny days: 107 days
Number of rainy days: 258 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) | 18.4 | 22.0 | 22.9 | 24.2 | 23.1 | 24.5 | 18.9 | 19.3 | 18.7 | 19.7 | 20.2 | 18.9 |
| Average daytime temperature (°C) | 15.7 | 17.0 | 19.9 | 20.3 | 20.4 | 21.1 | 17.3 | 17.1 | 17.6 | 16.7 | 15.5 | 14.4 |
| Average temperature (°C) | 9.1 | 9.4 | 12.1 | 13.0 | 13.2 | 14.3 | 11.8 | 11.8 | 11.7 | 11.3 | 10.2 | 8.3 |
| Average night temperature (°C) | 4.5 | 4.1 | 6.3 | 7.4 | 7.7 | 9.0 | 8.4 | 8.5 | 8.1 | 8.1 | 6.8 | 4.1 |
| Absolute minimum temperature (°C) | 0.3 | 1.5 | 3.2 | 4.4 | 5.8 | 6.5 | 6.0 | 6.9 | 5.2 | 4.6 | 3.2 | -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 | 13.2 | 13.1 | 12.7 | 12.2 | 11.7 | 11.3 | 11.1 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.1 | 10.6 | 11.0 | 11.3 | 11.4 | 11.5 | 9.8 | 10.2 | 10.1 | 9.7 | 8.9 | 8.7 |
| Precipitation (mm) | 10 | 6 | 19 | 56 | 65 | 92 | 205 | 248 | 129 | 119 | 29 | 8 |
| Sunny days | 23 | 17 | 12 | 5 | 5 | 11 | 0 | 0 | 4 | 5 | 7 | 18 |
| Rainy days | 8 | 11 | 19 | 25 | 26 | 19 | 31 | 31 | 26 | 26 | 23 | 13 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Juan is at