Average annual temperature is 9.1 °C
Absolute maximum temperature: 30.5 °C
Absolute minimum temperature: -23.9 °C
Number of sunny days: 118 days
Number of rainy days: 208 days
Number of snow days: 39 days
Look at detailed online map of Town of Hartsville
* Weather data for Town of Hartsville 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) | 12.3 | 15.6 | 11.9 | 26.8 | 28.3 | 29.9 | 30.5 | 28.5 | 30.1 | 26.6 | 15.0 | 12.0 |
| Average daytime temperature (°C) | 3.1 | 5.9 | 5.1 | 15.6 | 18.9 | 22.4 | 25.9 | 23.5 | 21.1 | 14.7 | 7.1 | 5.4 |
| Average temperature (°C) | -0.1 | -0.6 | 0.2 | 8.8 | 12.2 | 16.9 | 20.7 | 18.5 | 16.0 | 10.7 | 2.8 | 2.2 |
| Average night temperature (°C) | -2.8 | -5.5 | -3.6 | 3.5 | 6.3 | 12.1 | 16.2 | 14.8 | 12.2 | 7.6 | -0.4 | -0.2 |
| Absolute minimum temperature (°C) | -13.2 | -23.9 | -13.8 | -6.9 | -0.5 | 6.9 | 12.2 | 10.7 | 7.0 | -2.2 | -7.7 | -6.5 |
| 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 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 2.6 | 6.0 | 5.6 | 8.5 | 11.5 | 10.7 | 11.5 | 10.0 | 8.6 | 5.4 | 5.8 | 2.9 |
| Precipitation (mm) | 102 | 63 | 89 | 77 | 52 | 106 | 120 | 94 | 46 | 70 | 43 | 96 |
| Sunny days | 5 | 10 | 5 | 10 | 21 | 9 | 8 | 5 | 15 | 11 | 9 | 10 |
| Rainy days | 14 | 13 | 15 | 19 | 10 | 21 | 23 | 26 | 15 | 20 | 17 | 15 |
| Snow days | 12 | 5 | 11 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 6 |
The best time to visit Town of Hartsville during the most sunny months:
The largest precipitation sum in Town of Hartsville is at