Average annual temperature is 27.0 °C
Absolute maximum temperature: 38.6 °C
Absolute minimum temperature: 17.3 °C
Number of sunny days: 152 days
Number of rainy days: 213 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) | 30.0 | 31.6 | 34.8 | 35.7 | 36.8 | 38.6 | 34.5 | 35.1 | 33.5 | 33.8 | 30.8 | 30.8 |
| Average daytime temperature (°C) | 27.8 | 28.2 | 31.0 | 32.2 | 32.8 | 33.8 | 32.3 | 31.7 | 31.1 | 30.5 | 27.7 | 26.5 |
| Average temperature (°C) | 24.4 | 24.5 | 26.7 | 28.0 | 28.9 | 29.8 | 28.5 | 28.3 | 28.2 | 27.4 | 25.4 | 24.0 |
| Average night temperature (°C) | 21.7 | 21.8 | 23.7 | 24.8 | 25.7 | 26.7 | 25.7 | 25.6 | 25.3 | 24.7 | 23.6 | 21.7 |
| Absolute minimum temperature (°C) | 17.9 | 18.2 | 20.8 | 22.3 | 21.1 | 23.6 | 24.3 | 23.5 | 23.5 | 22.1 | 20.7 | 17.3 |
| 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 | 11.5 | 12.0 | 12.6 | 13.0 | 13.2 | 13.1 | 12.7 | 12.2 | 11.7 | 11.3 | 11.0 |
| 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) | 9.4 | 9.1 | 10.7 | 11.4 | 11.8 | 11.5 | 11.1 | 11.6 | 10.5 | 9.9 | 8.5 | 8.6 |
| Precipitation (mm) | 49 | 104 | 57 | 23 | 12 | 89 | 133 | 107 | 131 | 157 | 258 | 99 |
| Sunny days | 17 | 16 | 23 | 22 | 22 | 17 | 3 | 11 | 1 | 7 | 4 | 9 |
| Rainy days | 14 | 12 | 8 | 8 | 9 | 13 | 28 | 20 | 29 | 24 | 26 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Juan is at