Average annual temperature is 10.0 °C
Absolute maximum temperature: 32.1 °C
Absolute minimum temperature: -24.7 °C
Number of sunny days: 123 days
Number of rainy days: 204 days
Number of snow days: 38 days
Look at detailed online map of Hartsville
* Weather data for 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) | 13.3 | 17.0 | 13.7 | 28.3 | 30.2 | 31.1 | 32.1 | 30.0 | 31.3 | 27.5 | 16.3 | 11.9 |
| Average daytime temperature (°C) | 4.0 | 7.0 | 6.0 | 16.6 | 20.0 | 23.6 | 27.3 | 24.6 | 22.1 | 15.8 | 8.1 | 6.2 |
| Average temperature (°C) | 0.8 | 0.3 | 1.1 | 9.8 | 13.3 | 17.9 | 21.8 | 19.4 | 16.9 | 11.7 | 3.6 | 3.0 |
| Average night temperature (°C) | -1.8 | -4.5 | -2.7 | 4.6 | 7.6 | 13.0 | 16.9 | 15.5 | 12.9 | 8.4 | 0.3 | 0.5 |
| Absolute minimum temperature (°C) | -8.0 | -24.7 | -11.1 | -5.8 | 0.8 | 7.8 | 12.7 | 11.0 | 7.9 | -1.3 | -6.3 | -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) | 2.8 | 6.1 | 5.9 | 8.6 | 11.7 | 10.6 | 11.7 | 10.1 | 8.5 | 5.7 | 5.9 | 3.0 |
| Precipitation (mm) | 97 | 52 | 85 | 83 | 47 | 79 | 118 | 104 | 60 | 66 | 41 | 102 |
| Sunny days | 5 | 10 | 5 | 11 | 20 | 11 | 8 | 6 | 15 | 12 | 10 | 10 |
| Rainy days | 15 | 13 | 13 | 18 | 11 | 19 | 23 | 25 | 15 | 19 | 16 | 17 |
| Snow days | 11 | 5 | 13 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 4 |
The best time to visit Hartsville during the most sunny months:
The largest precipitation sum in Hartsville is at