Average annual temperature is 24.9 °C
Absolute maximum temperature: 46.8 °C
Absolute minimum temperature: 2.9 °C
Number of sunny days: 258 days
Number of rainy days: 107 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) | 33.5 | 36.2 | 39.8 | 40.2 | 38.9 | 46.8 | 42.3 | 43.2 | 42.0 | 36.3 | 33.3 | 27.9 |
| Average daytime temperature (°C) | 24.2 | 26.2 | 30.8 | 30.8 | 32.4 | 40.1 | 40.0 | 40.2 | 39.0 | 29.6 | 22.8 | 22.1 |
| Average temperature (°C) | 17.6 | 18.2 | 22.7 | 23.8 | 26.5 | 32.6 | 33.0 | 33.1 | 32.5 | 23.9 | 17.7 | 16.2 |
| Average night temperature (°C) | 12.2 | 12.3 | 16.9 | 18.7 | 21.3 | 25.7 | 26.8 | 26.8 | 26.5 | 19.9 | 14.0 | 11.7 |
| Absolute minimum temperature (°C) | 5.2 | 2.9 | 4.4 | 13.3 | 19.0 | 19.8 | 24.6 | 23.8 | 24.0 | 6.7 | 6.9 | 5.1 |
| 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 | 11.2 | 12.0 | 12.8 | 13.5 | 13.8 | 13.6 | 13.1 | 12.3 | 11.5 | 10.8 | 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) | 8.1 | 9.1 | 8.6 | 8.1 | 9.8 | 11.9 | 12.2 | 11.6 | 11.0 | 8.1 | 6.3 | 7.5 |
| Precipitation (mm) | 2 | 1 | 34 | 37 | 89 | 20 | 10 | 25 | 4 | 122 | 56 | 26 |
| Sunny days | 27 | 25 | 25 | 14 | 10 | 23 | 28 | 26 | 26 | 11 | 20 | 23 |
| Rainy days | 4 | 3 | 6 | 16 | 21 | 7 | 3 | 5 | 4 | 20 | 10 | 8 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit San Juan during the most sunny months:
The largest precipitation sum in San Juan is at