Average annual temperature is 15.3 °C
Absolute maximum temperature: 34.1 °C
Absolute minimum temperature: -6.3 °C
Number of sunny days: 171 days
Number of rainy days: 193 days
Number of snow days: 1 day
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) | 19.8 | 24.1 | 24.2 | 26.4 | 28.4 | 33.0 | 33.7 | 34.1 | 30.6 | 27.4 | 24.1 | 19.1 |
| Average daytime temperature (°C) | 11.9 | 15.3 | 16.2 | 19.2 | 24.0 | 28.0 | 30.1 | 29.5 | 27.1 | 21.3 | 16.1 | 11.5 |
| Average temperature (°C) | 7.1 | 9.4 | 10.4 | 13.7 | 18.1 | 21.8 | 24.2 | 23.9 | 21.3 | 15.9 | 10.3 | 6.5 |
| Average night temperature (°C) | 3.5 | 5.3 | 5.7 | 9.1 | 13.2 | 16.8 | 20.0 | 19.8 | 16.7 | 11.3 | 6.0 | 2.8 |
| Absolute minimum temperature (°C) | -5.2 | -6.2 | -6.3 | 3.4 | 4.7 | 13.2 | 17.2 | 15.6 | 13.1 | 3.7 | -4.1 | -5.8 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.4 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 5.1 | 6.3 | 8.3 | 8.9 | 10.8 | 11.4 | 10.9 | 9.8 | 10.8 | 8.4 | 7.1 | 7.1 |
| Precipitation (mm) | 206 | 172 | 157 | 144 | 93 | 153 | 118 | 156 | 28 | 13 | 54 | 109 |
| Sunny days | 10 | 11 | 17 | 16 | 9 | 11 | 6 | 13 | 16 | 20 | 21 | 21 |
| Rainy days | 20 | 17 | 14 | 14 | 22 | 19 | 25 | 18 | 14 | 11 | 9 | 10 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Letcher during the most sunny months:
The largest precipitation sum in Letcher is at