Average annual temperature is 9.7 °C
Absolute maximum temperature: 39.7 °C
Absolute minimum temperature: -28.2 °C
Number of sunny days: 230 days
Number of rainy days: 105 days
Number of snow days: 30 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) | 2.9 | 6.5 | 14.3 | 28.3 | 31.7 | 36.4 | 36.9 | 39.7 | 38.3 | 32.0 | 19.3 | 12.2 |
| Average daytime temperature (°C) | -3.8 | -0.6 | 3.4 | 14.9 | 25.0 | 30.4 | 29.9 | 30.4 | 27.1 | 15.9 | 10.0 | 4.7 |
| Average temperature (°C) | -7.8 | -6.5 | -2.8 | 7.3 | 18.2 | 24.1 | 23.5 | 24.0 | 20.8 | 10.6 | 3.8 | 0.0 |
| Average night temperature (°C) | -11.3 | -11.1 | -6.8 | 1.4 | 11.8 | 18.2 | 17.7 | 18.8 | 15.5 | 6.2 | -0.6 | -3.3 |
| Absolute minimum temperature (°C) | -24.8 | -28.2 | -17.1 | -8.0 | 1.8 | 12.7 | 11.0 | 14.2 | 8.8 | -7.8 | -8.7 | -8.4 |
| 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) | 9.3 | 10.5 | 11.9 | 13.4 | 14.7 | 15.4 | 15.1 | 14.0 | 12.5 | 11.0 | 9.7 | 9.0 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 8.0 |
| Sunshine mean duration (h) | 3.7 | 7.4 | 7.1 | 9.5 | 11.7 | 12.5 | 12.9 | 11.5 | 10.1 | 6.8 | 7.4 | 5.4 |
| Precipitation (mm) | 40 | 25 | 37 | 44 | 77 | 39 | 37 | 109 | 43 | 103 | 3 | 39 |
| Sunny days | 19 | 21 | 19 | 18 | 16 | 15 | 18 | 22 | 17 | 18 | 25 | 22 |
| Rainy days | 2 | 4 | 4 | 7 | 15 | 15 | 13 | 9 | 13 | 12 | 3 | 8 |
| Snow days | 10 | 3 | 8 | 5 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 1 |
The best time to visit Letcher during the most sunny months:
Months with the longest average daylight duration in Letcher:
The largest precipitation sum in Letcher is at