Average annual temperature is 10.4 °C
Absolute maximum temperature: 36.5 °C
Absolute minimum temperature: -26.6 °C
Number of sunny days: 189 days
Number of rainy days: 155 days
Number of snow days: 21 days
Look at detailed online map of Boone County
* Weather data for Boone 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) | 9.1 | 13.8 | 19.9 | 25.5 | 31.4 | 32.6 | 33.4 | 36.5 | 33.7 | 27.2 | 18.6 | 13.4 |
| Average daytime temperature (°C) | 1.6 | 3.8 | 6.8 | 15.3 | 22.4 | 27.7 | 28.4 | 27.6 | 24.1 | 16.0 | 8.5 | 5.6 |
| Average temperature (°C) | -2.1 | -1.7 | 1.6 | 8.8 | 15.5 | 21.1 | 22.7 | 22.1 | 18.9 | 11.6 | 3.7 | 2.1 |
| Average night temperature (°C) | -4.9 | -5.6 | -2.3 | 3.0 | 9.5 | 14.9 | 17.4 | 17.3 | 14.8 | 7.8 | -0.1 | -0.4 |
| Absolute minimum temperature (°C) | -26.6 | -23.5 | -12.5 | -3.7 | 0.1 | 6.4 | 13.0 | 10.1 | 7.9 | -3.1 | -12.2 | -8.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.2 | 14.9 | 13.9 | 12.5 | 11.1 | 9.8 | 9.1 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 3.6 | 7.3 | 6.7 | 8.9 | 11.0 | 12.0 | 11.9 | 11.1 | 8.3 | 7.1 | 6.9 | 3.9 |
| Precipitation (mm) | 62 | 90 | 85 | 106 | 49 | 31 | 99 | 69 | 124 | 85 | 51 | 69 |
| Sunny days | 13 | 17 | 12 | 15 | 22 | 19 | 14 | 16 | 11 | 13 | 21 | 16 |
| Rainy days | 7 | 8 | 15 | 15 | 9 | 11 | 17 | 15 | 19 | 17 | 8 | 14 |
| Snow days | 11 | 3 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 |
The best time to visit Boone County during the most sunny months:
The largest precipitation sum in Boone County is at