Average annual temperature is 12.6 °C
Absolute maximum temperature: 36.3 °C
Absolute minimum temperature: -17.1 °C
Number of sunny days: 200 days
Number of rainy days: 152 days
Number of snow days: 13 days
Look at detailed online map of Chillicothe
* Weather data for Chillicothe 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) | 15.3 | 13.4 | 21.5 | 26.5 | 33.5 | 35.1 | 35.3 | 36.3 | 32.5 | 29.4 | 22.0 | 15.1 |
| Average daytime temperature (°C) | 4.1 | 7.1 | 9.7 | 18.2 | 25.3 | 29.7 | 29.4 | 28.6 | 25.8 | 18.3 | 11.0 | 7.6 |
| Average temperature (°C) | 0.0 | 1.6 | 4.2 | 11.2 | 18.8 | 23.4 | 24.1 | 23.5 | 20.4 | 13.6 | 5.9 | 3.8 |
| Average night temperature (°C) | -3.0 | -2.5 | 0.4 | 5.5 | 12.6 | 17.2 | 19.3 | 19.1 | 16.1 | 9.9 | 1.9 | 1.2 |
| Absolute minimum temperature (°C) | -17.1 | -15.7 | -11.1 | -0.1 | 3.2 | 10.4 | 15.6 | 12.0 | 10.5 | -1.0 | -9.9 | -7.0 |
| 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) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 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) | 3.5 | 7.4 | 6.6 | 9.5 | 11.2 | 12.8 | 12.4 | 10.9 | 9.4 | 7.3 | 7.5 | 4.4 |
| Precipitation (mm) | 57 | 76 | 105 | 52 | 54 | 36 | 162 | 143 | 73 | 86 | 22 | 59 |
| Sunny days | 13 | 17 | 15 | 15 | 19 | 21 | 16 | 14 | 17 | 14 | 23 | 16 |
| Rainy days | 10 | 9 | 15 | 15 | 12 | 9 | 15 | 17 | 13 | 16 | 7 | 14 |
| Snow days | 8 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 |
The best time to visit Chillicothe during the most sunny months:
The largest precipitation sum in Chillicothe is at