Average annual temperature is 13.5 °C
Absolute maximum temperature: 34.5 °C
Absolute minimum temperature: -8.6 °C
Number of sunny days: 167 days
Number of rainy days: 192 days
Number of snow days: 6 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) | 16.8 | 23.2 | 24.4 | 28.1 | 30.6 | 33.6 | 34.5 | 34.0 | 34.2 | 29.1 | 23.0 | 17.1 |
| Average daytime temperature (°C) | 8.3 | 12.8 | 12.6 | 19.1 | 23.2 | 26.9 | 30.2 | 29.0 | 26.6 | 19.8 | 13.1 | 9.8 |
| Average temperature (°C) | 3.9 | 5.8 | 6.2 | 12.6 | 16.8 | 21.0 | 24.3 | 23.1 | 20.5 | 14.5 | 7.2 | 5.2 |
| Average night temperature (°C) | 0.5 | 1.0 | 1.6 | 7.0 | 11.2 | 15.6 | 19.4 | 18.2 | 15.2 | 10.2 | 3.0 | 1.8 |
| Absolute minimum temperature (°C) | -6.2 | -8.6 | -7.1 | 0.0 | 4.1 | 10.5 | 15.0 | 12.6 | 10.6 | 1.8 | -6.6 | -4.8 |
| 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 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.7 | 12.0 | 13.2 | 14.3 | 14.9 | 14.6 | 13.7 | 12.5 | 11.2 | 10.0 | 9.5 |
| 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) | 4.1 | 7.3 | 7.7 | 9.3 | 10.0 | 11.0 | 11.7 | 10.7 | 9.6 | 7.2 | 7.3 | 5.0 |
| Precipitation (mm) | 151 | 47 | 103 | 60 | 66 | 75 | 88 | 88 | 53 | 78 | 47 | 55 |
| Sunny days | 6 | 15 | 15 | 15 | 19 | 14 | 6 | 14 | 16 | 15 | 20 | 12 |
| Rainy days | 23 | 13 | 14 | 15 | 12 | 16 | 25 | 17 | 14 | 16 | 9 | 18 |
| Snow days | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
The best time to visit Chillicothe during the most sunny months:
The largest precipitation sum in Chillicothe is at