Average annual temperature is 23.3 °C
Absolute maximum temperature: 43.1 °C
Absolute minimum temperature: 6.2 °C
Number of sunny days: 335 days
Number of rainy days: 30 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) | 28.2 | 28.0 | 33.8 | 34.3 | 32.4 | 43.1 | 40.8 | 41.0 | 40.8 | 39.8 | 35.1 | 30.1 |
| Average daytime temperature (°C) | 22.5 | 22.2 | 26.9 | 29.2 | 28.6 | 35.8 | 36.8 | 36.8 | 36.9 | 32.9 | 28.0 | 26.1 |
| Average temperature (°C) | 15.8 | 15.7 | 19.7 | 21.1 | 20.9 | 28.1 | 29.7 | 30.8 | 30.0 | 26.0 | 21.9 | 19.1 |
| Average night temperature (°C) | 10.4 | 11.0 | 13.2 | 14.1 | 14.0 | 20.8 | 23.5 | 25.6 | 24.0 | 20.5 | 16.6 | 13.3 |
| Absolute minimum temperature (°C) | 6.3 | 6.2 | 7.4 | 9.0 | 9.3 | 13.7 | 18.0 | 19.2 | 18.5 | 13.2 | 10.9 | 9.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.7 | 11.3 | 12.0 | 12.8 | 13.5 | 13.8 | 13.6 | 13.1 | 12.3 | 11.5 | 10.9 | 10.5 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 8.8 | 9.3 | 10.5 | 11.9 | 12.3 | 12.5 | 12.7 | 11.6 | 11.4 | 10.5 | 9.1 | 9.2 |
| Precipitation (mm) | 7 | 13 | 6 | 0 | 0 | 0 | 0 | 44 | 1 | 1 | 4 | 0 |
| Sunny days | 26 | 23 | 27 | 30 | 31 | 30 | 29 | 24 | 28 | 28 | 28 | 31 |
| Rainy days | 5 | 5 | 4 | 0 | 0 | 0 | 2 | 7 | 2 | 3 | 2 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Juan is at