Average annual temperature is 9.8 °C
Absolute maximum temperature: 35.3 °C
Absolute minimum temperature: -23.9 °C
Number of sunny days: 180 days
Number of rainy days: 161 days
Number of snow days: 24 days
Look at detailed online map of Town of Merton
* Weather data for Town of Merton 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) | 7.8 | 10.5 | 19.1 | 25.3 | 29.7 | 30.8 | 32.9 | 35.3 | 32.6 | 26.8 | 18.0 | 12.3 |
| Average daytime temperature (°C) | 1.1 | 2.9 | 5.5 | 14.2 | 21.0 | 26.0 | 27.5 | 26.5 | 23.3 | 15.4 | 7.8 | 5.0 |
| Average temperature (°C) | -2.5 | -2.3 | 0.7 | 8.4 | 14.4 | 19.8 | 22.2 | 21.2 | 18.6 | 11.5 | 3.5 | 1.7 |
| Average night temperature (°C) | -5.0 | -6.2 | -3.2 | 3.4 | 9.0 | 14.5 | 17.5 | 17.2 | 15.3 | 8.3 | 0.2 | -0.7 |
| Absolute minimum temperature (°C) | -23.9 | -22.8 | -12.7 | -2.6 | 0.1 | 7.0 | 12.9 | 11.3 | 10.1 | -2.4 | -12.2 | -8.2 |
| 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) | 9.4 | 10.5 | 11.9 | 13.4 | 14.7 | 15.3 | 15.0 | 13.9 | 12.5 | 11.0 | 9.7 | 9.1 |
| Daylight minimum duration (h) | 9.0 | 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) | 3.5 | 6.9 | 6.6 | 7.9 | 10.7 | 12.1 | 12.3 | 11.2 | 8.4 | 6.9 | 6.5 | 3.9 |
| Precipitation (mm) | 46 | 93 | 81 | 124 | 39 | 40 | 126 | 127 | 53 | 94 | 43 | 52 |
| Sunny days | 13 | 16 | 11 | 14 | 18 | 21 | 11 | 15 | 13 | 12 | 20 | 16 |
| Rainy days | 12 | 8 | 11 | 16 | 13 | 9 | 20 | 16 | 17 | 18 | 8 | 13 |
| Snow days | 6 | 4 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 2 |
The best time to visit Town of Merton during the most sunny months:
Months with the longest average daylight duration in Town of Merton:
The largest precipitation sum in Town of Merton is at