Average annual temperature is 27.6 °C
Absolute maximum temperature: 37.0 °C
Absolute minimum temperature: 17.2 °C
Number of sunny days: 153 days
Number of rainy days: 212 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) | 34.7 | 37.0 | 35.8 | 34.7 | 35.8 | 33.2 | 34.8 | 34.5 | 34.1 | 32.8 | 36.3 | 37.0 |
| Average daytime temperature (°C) | 31.0 | 32.1 | 31.7 | 32.6 | 32.6 | 31.7 | 32.6 | 32.2 | 31.8 | 30.8 | 32.8 | 34.2 |
| Average temperature (°C) | 26.0 | 26.6 | 27.3 | 28.3 | 28.8 | 28.1 | 28.1 | 28.0 | 27.7 | 27.0 | 28.0 | 27.9 |
| Average night temperature (°C) | 21.6 | 22.0 | 23.3 | 23.9 | 25.0 | 24.6 | 24.3 | 24.3 | 24.1 | 23.8 | 24.0 | 22.7 |
| Absolute minimum temperature (°C) | 18.1 | 19.3 | 20.7 | 22.1 | 22.9 | 23.5 | 23.3 | 22.7 | 22.8 | 21.3 | 20.9 | 17.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.3 | 11.6 | 12.1 | 12.5 | 12.9 | 13.0 | 13.0 | 12.6 | 12.2 | 11.8 | 11.4 | 11.2 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.5 | 10.9 | 10.9 | 11.6 | 11.7 | 11.4 | 10.3 | 10.0 | 10.5 | 9.4 | 9.8 | 10.3 |
| Precipitation (mm) | 0 | 0 | 28 | 18 | 67 | 115 | 228 | 233 | 218 | 309 | 28 | 0 |
| Sunny days | 29 | 27 | 12 | 11 | 9 | 1 | 5 | 2 | 2 | 4 | 21 | 30 |
| Rainy days | 2 | 1 | 19 | 19 | 22 | 29 | 26 | 29 | 28 | 27 | 9 | 1 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Juan is at