Average annual temperature is 13.1 °C
Absolute maximum temperature: 33.9 °C
Absolute minimum temperature: -10.4 °C
Number of sunny days: 179 days
Number of rainy days: 178 days
Number of snow days: 8 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) | 17.0 | 21.1 | 22.7 | 27.0 | 29.7 | 32.1 | 33.9 | 33.4 | 31.7 | 29.8 | 24.8 | 15.1 |
| Average daytime temperature (°C) | 7.0 | 11.3 | 11.8 | 18.3 | 22.9 | 27.2 | 29.2 | 28.0 | 26.3 | 19.8 | 12.8 | 8.8 |
| Average temperature (°C) | 3.3 | 4.9 | 5.7 | 11.6 | 16.9 | 21.3 | 23.9 | 22.8 | 20.5 | 14.2 | 7.1 | 4.5 |
| Average night temperature (°C) | 0.3 | 0.3 | 1.2 | 6.1 | 11.3 | 16.1 | 19.3 | 18.2 | 15.5 | 10.1 | 3.0 | 1.3 |
| Absolute minimum temperature (°C) | -7.3 | -10.4 | -7.8 | -2.1 | 3.2 | 10.8 | 15.5 | 12.3 | 11.1 | -3.5 | -8.3 | -7.1 |
| 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 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.7 | 12.0 | 13.2 | 14.3 | 14.9 | 14.6 | 13.7 | 12.4 | 11.2 | 10.0 | 9.5 |
| 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) | 4.0 | 7.5 | 7.2 | 8.9 | 10.4 | 10.7 | 11.7 | 11.3 | 10.3 | 7.3 | 7.8 | 4.7 |
| Precipitation (mm) | 128 | 77 | 191 | 100 | 59 | 62 | 150 | 95 | 27 | 74 | 25 | 47 |
| Sunny days | 7 | 15 | 17 | 15 | 17 | 15 | 6 | 13 | 20 | 18 | 23 | 13 |
| Rainy days | 20 | 13 | 11 | 15 | 14 | 15 | 25 | 18 | 10 | 13 | 7 | 17 |
| Snow days | 4 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Letts during the most sunny months:
The largest precipitation sum in Letts is at