Average annual temperature is 12.2 °C
Absolute maximum temperature: 36.0 °C
Absolute minimum temperature: -18.1 °C
Number of sunny days: 203 days
Number of rainy days: 145 days
Number of snow days: 17 days
Look at detailed online map of Letts
* Weather data for Letts 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) | 14.6 | 12.6 | 22.6 | 26.3 | 32.2 | 34.5 | 34.9 | 36.0 | 33.5 | 30.4 | 19.2 | 14.6 |
| Average daytime temperature (°C) | 3.3 | 6.1 | 8.7 | 18.0 | 25.3 | 29.9 | 29.0 | 28.5 | 26.5 | 18.4 | 10.9 | 7.4 |
| Average temperature (°C) | -1.1 | 0.2 | 3.3 | 11.0 | 18.6 | 23.7 | 23.7 | 23.5 | 20.6 | 13.6 | 5.8 | 3.2 |
| Average night temperature (°C) | -3.9 | -4.4 | -0.6 | 5.4 | 12.4 | 17.5 | 18.6 | 19.1 | 15.9 | 9.7 | 1.5 | 0.5 |
| Absolute minimum temperature (°C) | -16.6 | -18.1 | -11.8 | -1.9 | 3.6 | 9.6 | 13.3 | 11.6 | 10.7 | -2.8 | -11.5 | -7.2 |
| 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 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.3 |
| 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) | 4.3 | 7.3 | 6.7 | 9.7 | 11.7 | 12.6 | 12.6 | 11.1 | 10.0 | 7.4 | 7.3 | 4.7 |
| Precipitation (mm) | 69 | 112 | 92 | 31 | 42 | 27 | 89 | 81 | 82 | 69 | 17 | 80 |
| Sunny days | 15 | 15 | 10 | 17 | 22 | 19 | 16 | 17 | 16 | 16 | 24 | 16 |
| Rainy days | 7 | 10 | 18 | 13 | 9 | 11 | 15 | 14 | 14 | 15 | 4 | 15 |
| Snow days | 9 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 |
The best time to visit Letts during the most sunny months:
The largest precipitation sum in Letts is at