Average annual temperature is 28.0 °C
Absolute maximum temperature: 42.6 °C
Absolute minimum temperature: 14.2 °C
Number of sunny days: 157 days
Number of rainy days: 208 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) | 33.3 | 36.2 | 39.9 | 42.0 | 42.2 | 42.6 | 40.3 | 37.4 | 36.8 | 35.4 | 34.4 | 33.0 |
| Average daytime temperature (°C) | 30.8 | 32.5 | 35.9 | 38.0 | 38.0 | 38.7 | 36.8 | 34.9 | 34.3 | 32.7 | 31.3 | 29.0 |
| Average temperature (°C) | 25.1 | 26.1 | 28.6 | 30.2 | 30.7 | 31.4 | 29.8 | 28.7 | 28.2 | 27.4 | 26.2 | 24.0 |
| Average night temperature (°C) | 20.7 | 21.1 | 22.9 | 24.2 | 25.0 | 26.1 | 25.2 | 24.6 | 24.3 | 23.3 | 22.3 | 20.3 |
| Absolute minimum temperature (°C) | 14.6 | 16.5 | 19.2 | 21.6 | 20.5 | 23.5 | 23.9 | 23.2 | 22.6 | 18.6 | 20.1 | 14.2 |
| 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 | 10.0 |
| 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 | 10.9 |
| 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) | 9.6 | 10.0 | 10.6 | 11.8 | 11.7 | 11.7 | 10.9 | 11.3 | 10.7 | 10.3 | 9.2 | 8.9 |
| Precipitation (mm) | 8 | 10 | 24 | 5 | 38 | 47 | 87 | 125 | 140 | 58 | 47 | 60 |
| Sunny days | 21 | 16 | 26 | 22 | 17 | 11 | 4 | 2 | 6 | 8 | 9 | 15 |
| Rainy days | 10 | 12 | 5 | 8 | 14 | 19 | 27 | 29 | 24 | 23 | 21 | 16 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Juan is at