Average annual temperature is 11.5 °C
Absolute maximum temperature: 27.2 °C
Absolute minimum temperature: -2.5 °C
Number of sunny days: 129 days
Number of rainy days: 236 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) | 19.3 | 21.7 | 24.1 | 23.4 | 23.1 | 27.2 | 20.0 | 20.5 | 21.8 | 20.6 | 21.6 | 17.8 |
| Average daytime temperature (°C) | 15.9 | 18.2 | 20.1 | 20.6 | 19.6 | 23.5 | 18.5 | 18.1 | 19.4 | 17.9 | 17.7 | 14.0 |
| Average temperature (°C) | 8.4 | 10.2 | 12.0 | 13.2 | 12.9 | 15.5 | 12.3 | 11.8 | 12.2 | 11.5 | 10.4 | 7.7 |
| Average night temperature (°C) | 2.7 | 4.1 | 5.4 | 6.6 | 7.4 | 8.8 | 7.7 | 7.3 | 6.7 | 7.2 | 5.2 | 3.2 |
| Absolute minimum temperature (°C) | 1.0 | 0.1 | 2.7 | 4.8 | 5.6 | 7.0 | 6.2 | 5.4 | 2.6 | 4.4 | 1.9 | -2.5 |
| 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 | 11.0 |
| 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 | 11.0 |
| 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) | 10.2 | 10.5 | 11.2 | 11.5 | 11.4 | 12.0 | 10.7 | 9.8 | 10.1 | 8.8 | 9.3 | 8.2 |
| Precipitation (mm) | 5 | 2 | 16 | 17 | 80 | 59 | 202 | 186 | 101 | 101 | 50 | 43 |
| Sunny days | 23 | 20 | 19 | 12 | 3 | 11 | 0 | 0 | 9 | 3 | 14 | 15 |
| Rainy days | 8 | 8 | 12 | 18 | 28 | 19 | 31 | 31 | 21 | 28 | 16 | 16 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Juan is at