Average annual temperature is 13.0 °C
Absolute maximum temperature: 36.3 °C
Absolute minimum temperature: -17.4 °C
Number of sunny days: 225 days
Number of rainy days: 125 days
Number of snow days: 15 days
Look at detailed online map of Atchison County
* Weather data for Atchison County 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) | 11.5 | 17.3 | 23.3 | 30.4 | 30.5 | 34.0 | 35.6 | 36.3 | 34.0 | 32.5 | 21.1 | 15.9 |
| Average daytime temperature (°C) | 3.5 | 7.7 | 10.5 | 19.5 | 26.1 | 29.9 | 29.4 | 29.4 | 27.9 | 19.7 | 12.4 | 7.8 |
| Average temperature (°C) | -0.8 | 0.7 | 4.2 | 12.3 | 19.4 | 24.0 | 24.3 | 24.4 | 21.9 | 14.4 | 6.6 | 3.4 |
| Average night temperature (°C) | -4.1 | -4.2 | -0.2 | 6.4 | 13.3 | 17.9 | 19.8 | 20.2 | 16.8 | 9.9 | 2.1 | -0.1 |
| Absolute minimum temperature (°C) | -14.8 | -17.4 | -10.4 | -3.5 | 4.2 | 11.5 | 15.0 | 13.7 | 11.5 | -4.1 | -6.8 | -5.0 |
| 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 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 11.9 | 13.3 | 14.4 | 15.0 | 14.7 | 13.7 | 12.5 | 11.1 | 10.0 | 9.3 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.0 | 7.7 | 7.5 | 9.9 | 11.6 | 12.7 | 11.2 | 11.1 | 10.9 | 8.0 | 6.8 | 5.4 |
| Precipitation (mm) | 40 | 60 | 34 | 56 | 84 | 84 | 99 | 64 | 31 | 68 | 20 | 49 |
| Sunny days | 20 | 21 | 20 | 20 | 18 | 17 | 13 | 16 | 21 | 16 | 24 | 19 |
| Rainy days | 5 | 5 | 10 | 9 | 13 | 13 | 18 | 15 | 9 | 14 | 5 | 9 |
| Snow days | 6 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 3 |
The best time to visit Atchison County during the most sunny months:
The largest precipitation sum in Atchison County is at