Average annual temperature is 10.3 °C
Absolute maximum temperature: 38.4 °C
Absolute minimum temperature: -23.7 °C
Number of sunny days: 216 days
Number of rainy days: 123 days
Number of snow days: 26 days
Look at detailed online map of Merna
* Weather data for Merna 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) | 5.0 | 12.0 | 17.2 | 28.1 | 27.4 | 31.8 | 36.9 | 38.4 | 36.8 | 29.0 | 18.0 | 17.1 |
| Average daytime temperature (°C) | -2.0 | 3.2 | 7.3 | 16.4 | 22.7 | 27.2 | 29.6 | 30.7 | 26.8 | 16.4 | 10.9 | 5.9 |
| Average temperature (°C) | -5.1 | -3.1 | 0.1 | 8.9 | 16.5 | 21.2 | 23.3 | 24.3 | 20.3 | 10.6 | 4.9 | 0.6 |
| Average night temperature (°C) | -8.2 | -7.4 | -4.6 | 2.9 | 11.0 | 15.8 | 17.8 | 19.0 | 14.8 | 5.9 | 0.8 | -3.0 |
| Absolute minimum temperature (°C) | -21.3 | -23.7 | -11.8 | -6.7 | 0.6 | 10.6 | 12.1 | 13.5 | 9.9 | -9.7 | -8.0 | -7.4 |
| 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 | 9.2 |
| 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) | 5.5 | 7.8 | 8.9 | 10.6 | 10.7 | 12.4 | 12.2 | 11.9 | 10.3 | 7.6 | 7.3 | 5.2 |
| Precipitation (mm) | 82 | 13 | 36 | 8 | 95 | 77 | 99 | 42 | 40 | 40 | 20 | 39 |
| Sunny days | 18 | 18 | 22 | 21 | 8 | 13 | 11 | 20 | 21 | 19 | 23 | 22 |
| Rainy days | 5 | 3 | 4 | 8 | 23 | 17 | 20 | 11 | 9 | 10 | 5 | 8 |
| Snow days | 8 | 7 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 1 |
The best time to visit Merna during the most sunny months:
The largest precipitation sum in Merna is at