Average annual temperature is 14.7 °C
Absolute maximum temperature: 35.5 °C
Absolute minimum temperature: -7.1 °C
Number of sunny days: 173 days
Number of rainy days: 187 days
Number of snow days: 5 days
Look at detailed online map of Letcher
* Weather data for Letcher 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) | 19.7 | 25.1 | 24.6 | 28.4 | 28.0 | 31.8 | 35.5 | 35.5 | 32.3 | 29.0 | 25.2 | 18.6 |
| Average daytime temperature (°C) | 12.2 | 14.7 | 15.4 | 21.0 | 24.0 | 27.0 | 31.1 | 28.7 | 26.5 | 21.4 | 16.1 | 12.1 |
| Average temperature (°C) | 6.8 | 8.7 | 8.9 | 14.1 | 17.6 | 20.8 | 25.0 | 23.2 | 20.2 | 15.4 | 9.2 | 6.6 |
| Average night temperature (°C) | 3.2 | 4.0 | 3.9 | 8.6 | 12.3 | 15.2 | 19.9 | 18.8 | 14.8 | 10.3 | 4.3 | 2.7 |
| Absolute minimum temperature (°C) | -6.7 | -7.1 | -6.5 | 0.9 | 4.1 | 9.3 | 14.0 | 13.1 | 11.0 | 2.1 | -5.2 | -5.6 |
| 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 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.4 | 13.6 | 12.4 | 11.2 | 10.2 | 9.7 |
| 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) | 5.0 | 6.7 | 7.9 | 9.7 | 10.4 | 11.1 | 11.8 | 10.4 | 10.5 | 8.0 | 7.5 | 5.6 |
| Precipitation (mm) | 105 | 104 | 66 | 80 | 109 | 44 | 38 | 116 | 57 | 34 | 49 | 112 |
| Sunny days | 11 | 15 | 18 | 16 | 11 | 16 | 8 | 11 | 14 | 18 | 21 | 14 |
| Rainy days | 18 | 12 | 12 | 14 | 20 | 14 | 23 | 20 | 16 | 13 | 9 | 16 |
| Snow days | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Letcher during the most sunny months:
The largest precipitation sum in Letcher is at