Average annual temperature is 25.3 °C
Absolute maximum temperature: 42.9 °C
Absolute minimum temperature: 8.0 °C
Number of sunny days: 143 days
Number of rainy days: 222 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) | 30.9 | 34.8 | 38.1 | 37.3 | 35.9 | 42.9 | 39.8 | 41.2 | 39.0 | 37.3 | 31.5 | 28.7 |
| Average daytime temperature (°C) | 26.4 | 26.9 | 30.9 | 30.5 | 33.2 | 37.9 | 36.2 | 36.2 | 37.6 | 30.6 | 25.8 | 23.9 |
| Average temperature (°C) | 20.8 | 20.6 | 24.1 | 25.0 | 27.2 | 30.9 | 29.5 | 29.2 | 30.4 | 25.4 | 20.9 | 19.7 |
| Average night temperature (°C) | 16.9 | 16.1 | 19.6 | 21.0 | 22.5 | 25.6 | 24.6 | 24.3 | 25.1 | 21.8 | 17.5 | 16.5 |
| Absolute minimum temperature (°C) | 8.7 | 8.0 | 11.3 | 16.0 | 18.2 | 22.6 | 21.8 | 21.7 | 23.2 | 13.4 | 12.7 | 11.8 |
| 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) | 11.0 | 11.5 | 12.0 | 12.6 | 13.1 | 13.4 | 13.3 | 12.8 | 12.3 | 11.7 | 11.1 | 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 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 8.1 | 7.7 | 8.5 | 8.2 | 10.2 | 11.6 | 11.3 | 11.2 | 11.1 | 7.9 | 6.2 | 4.9 |
| Precipitation (mm) | 19 | 22 | 48 | 152 | 59 | 22 | 92 | 89 | 28 | 163 | 53 | 92 |
| Sunny days | 17 | 19 | 17 | 9 | 8 | 17 | 6 | 4 | 9 | 10 | 15 | 12 |
| Rainy days | 14 | 9 | 14 | 21 | 23 | 13 | 25 | 27 | 21 | 21 | 15 | 19 |
| 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