Average annual temperature is 14.1 °C
Absolute maximum temperature: 27.3 °C
Absolute minimum temperature: -0.6 °C
Number of sunny days: 131 days
Number of rainy days: 234 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) | 20.9 | 23.6 | 24.8 | 26.0 | 25.9 | 27.3 | 23.0 | 22.8 | 25.0 | 24.0 | 23.0 | 20.4 |
| Average daytime temperature (°C) | 18.6 | 20.3 | 22.0 | 23.3 | 23.1 | 24.1 | 20.6 | 20.8 | 21.8 | 20.4 | 20.1 | 17.6 |
| Average temperature (°C) | 11.0 | 12.5 | 14.2 | 15.6 | 16.2 | 17.3 | 15.0 | 14.6 | 14.7 | 14.5 | 13.1 | 10.9 |
| Average night temperature (°C) | 4.2 | 5.2 | 6.6 | 8.1 | 9.7 | 10.5 | 10.1 | 9.7 | 9.1 | 9.9 | 7.2 | 5.6 |
| Absolute minimum temperature (°C) | 2.0 | 3.3 | 4.0 | 5.6 | 6.8 | 7.6 | 8.2 | 8.5 | 6.7 | 7.3 | 3.3 | -0.6 |
| 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) | 11.1 | 11.5 | 12.0 | 12.6 | 13.0 | 13.3 | 13.2 | 12.8 | 12.2 | 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) | 10.3 | 10.6 | 11.2 | 11.6 | 11.5 | 12.0 | 10.2 | 9.6 | 10.3 | 9.0 | 9.8 | 8.8 |
| Precipitation (mm) | 4 | 1 | 7 | 18 | 47 | 86 | 263 | 263 | 145 | 162 | 62 | 30 |
| Sunny days | 24 | 23 | 20 | 21 | 6 | 8 | 0 | 0 | 1 | 2 | 12 | 14 |
| Rainy days | 7 | 5 | 11 | 9 | 25 | 22 | 31 | 31 | 29 | 29 | 18 | 17 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Juan is at