Average annual temperature is 11.7 °C
Absolute maximum temperature: 38.3 °C
Absolute minimum temperature: -22.6 °C
Number of sunny days: 226 days
Number of rainy days: 118 days
Number of snow days: 21 days
Look at detailed online map of Harlan County
* Weather data for Harlan 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) | 11.2 | 14.9 | 21.1 | 28.2 | 30.0 | 33.0 | 35.5 | 38.3 | 36.1 | 30.4 | 18.7 | 12.3 |
| Average daytime temperature (°C) | 1.3 | 5.1 | 9.6 | 18.8 | 24.6 | 28.8 | 29.8 | 31.2 | 28.5 | 19.2 | 12.7 | 5.8 |
| Average temperature (°C) | -3.5 | -2.5 | 2.6 | 11.3 | 18.3 | 22.6 | 24.0 | 24.9 | 21.7 | 12.8 | 6.1 | 0.9 |
| Average night temperature (°C) | -6.8 | -7.3 | -2.7 | 5.0 | 12.7 | 16.9 | 18.8 | 19.3 | 15.8 | 7.5 | 1.2 | -2.5 |
| Absolute minimum temperature (°C) | -22.6 | -18.1 | -8.4 | -4.9 | 2.4 | 12.1 | 12.9 | 14.0 | 10.4 | -7.8 | -6.1 | -6.3 |
| 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 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 12.0 | 13.3 | 14.4 | 15.0 | 14.7 | 13.7 | 12.5 | 11.1 | 10.0 | 9.4 |
| 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) | 6.3 | 8.2 | 8.9 | 11.1 | 10.7 | 12.4 | 12.4 | 11.7 | 10.6 | 8.5 | 7.5 | 4.8 |
| Precipitation (mm) | 46 | 32 | 20 | 15 | 51 | 68 | 62 | 35 | 27 | 45 | 15 | 61 |
| Sunny days | 21 | 21 | 21 | 24 | 9 | 11 | 12 | 19 | 24 | 21 | 24 | 19 |
| Rainy days | 4 | 2 | 7 | 6 | 22 | 19 | 19 | 12 | 6 | 9 | 3 | 9 |
| Snow days | 6 | 5 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 3 |
The best time to visit Harlan County during the most sunny months:
The largest precipitation sum in Harlan County is at