Average annual temperature is 22.2 °C
Absolute maximum temperature: 39.8 °C
Absolute minimum temperature: 3.2 °C
Number of sunny days: 139 days
Number of rainy days: 226 days
Look at detailed online map of San Leon
* Weather data for San Leon United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 24.6 | 25.8 | 27.6 | 27.5 | 30.4 | 34.6 | 35.1 | 39.8 | 37.3 | 31.9 | 27.3 | 25.3 |
| Average daytime temperature (°C) | 18.9 | 19.1 | 22.7 | 23.8 | 27.0 | 31.6 | 32.8 | 35.3 | 32.1 | 26.2 | 20.4 | 18.2 |
| Average temperature (°C) | 15.5 | 15.3 | 19.3 | 20.4 | 23.9 | 28.0 | 29.3 | 30.8 | 28.5 | 22.8 | 17.2 | 14.5 |
| Average night temperature (°C) | 12.3 | 12.4 | 16.6 | 17.7 | 21.0 | 24.9 | 25.9 | 27.2 | 25.2 | 19.8 | 14.5 | 11.6 |
| Absolute minimum temperature (°C) | 4.4 | 4.2 | 7.7 | 12.5 | 15.4 | 21.1 | 22.9 | 24.3 | 22.4 | 8.9 | 7.4 | 3.2 |
| 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 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.5 | 11.2 | 12.0 | 12.9 | 13.6 | 14.0 | 13.8 | 13.2 | 12.3 | 11.5 | 10.7 | 10.3 |
| 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) | 6.3 | 7.5 | 8.1 | 8.6 | 9.0 | 11.8 | 12.2 | 12.2 | 10.7 | 8.5 | 7.0 | 7.9 |
| Precipitation (mm) | 180 | 66 | 127 | 282 | 241 | 57 | 89 | 10 | 63 | 119 | 122 | 117 |
| Sunny days | 14 | 9 | 8 | 8 | 7 | 14 | 5 | 15 | 7 | 14 | 17 | 21 |
| Rainy days | 17 | 19 | 23 | 22 | 24 | 16 | 26 | 16 | 23 | 17 | 13 | 10 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit San Leon during the most sunny months:
The largest precipitation sum in San Leon is at