Average annual temperature is 16.6 °C
Absolute maximum temperature: 41.9 °C
Absolute minimum temperature: -12.2 °C
Number of sunny days: 264 days
Number of rainy days: 97 days
Number of snow days: 4 days
Look at detailed online map of San Jon
* Weather data for San Jon 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) | 20.5 | 23.5 | 26.6 | 30.7 | 33.0 | 39.9 | 41.9 | 40.8 | 38.7 | 30.9 | 28.6 | 21.3 |
| Average daytime temperature (°C) | 12.4 | 14.9 | 19.1 | 24.3 | 28.1 | 31.9 | 36.9 | 35.7 | 31.6 | 24.3 | 17.6 | 13.1 |
| Average temperature (°C) | 5.6 | 6.6 | 10.8 | 15.5 | 20.5 | 24.1 | 29.5 | 28.9 | 24.3 | 16.7 | 10.2 | 6.1 |
| Average night temperature (°C) | 0.6 | 0.8 | 4.0 | 8.3 | 13.8 | 17.0 | 22.4 | 22.3 | 18.3 | 10.7 | 4.7 | 1.0 |
| Absolute minimum temperature (°C) | -12.2 | -9.3 | -4.0 | -0.3 | 7.3 | 11.6 | 16.9 | 16.9 | 13.3 | -4.8 | -4.7 | -6.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 8.1 | 8.9 | 9.8 | 11.5 | 11.3 | 12.5 | 12.9 | 12.1 | 10.5 | 9.7 | 8.3 | 7.9 |
| Precipitation (mm) | 9 | 4 | 11 | 12 | 64 | 60 | 11 | 19 | 36 | 31 | 6 | 50 |
| Sunny days | 27 | 22 | 26 | 25 | 12 | 20 | 15 | 22 | 23 | 22 | 25 | 25 |
| Rainy days | 3 | 4 | 5 | 5 | 19 | 10 | 16 | 9 | 7 | 9 | 5 | 5 |
| Snow days | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit San Jon during the most sunny months:
The largest precipitation sum in San Jon is at