Average annual temperature is 12.4 °C
Absolute maximum temperature: 35.2 °C
Absolute minimum temperature: -15.1 °C
Number of sunny days: 184 days
Number of rainy days: 165 days
Number of snow days: 16 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) | 16.9 | 13.4 | 21.2 | 26.5 | 31.7 | 33.8 | 34.3 | 35.2 | 31.7 | 28.2 | 23.6 | 15.2 |
| Average daytime temperature (°C) | 4.7 | 7.7 | 9.6 | 18.2 | 25.2 | 29.4 | 28.7 | 27.6 | 25.0 | 17.9 | 11.1 | 7.6 |
| Average temperature (°C) | 0.4 | 1.9 | 4.0 | 11.1 | 18.5 | 23.1 | 23.4 | 22.6 | 19.8 | 13.2 | 5.9 | 3.7 |
| Average night temperature (°C) | -2.5 | -2.1 | -0.2 | 5.4 | 12.3 | 16.9 | 18.7 | 18.2 | 15.3 | 9.3 | 1.5 | 1.0 |
| Absolute minimum temperature (°C) | -14.9 | -15.1 | -11.6 | -1.5 | 2.2 | 10.3 | 15.2 | 11.1 | 9.4 | -2.7 | -10.5 | -8.0 |
| 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) | 9.7 | 10.7 | 11.9 | 13.3 | 14.4 | 15.0 | 14.7 | 13.7 | 12.5 | 11.1 | 10.0 | 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) | 3.8 | 7.3 | 6.4 | 9.5 | 10.9 | 12.6 | 12.3 | 10.6 | 9.5 | 7.1 | 7.5 | 4.5 |
| Precipitation (mm) | 50 | 119 | 94 | 70 | 38 | 25 | 128 | 148 | 115 | 97 | 25 | 70 |
| Sunny days | 10 | 16 | 11 | 15 | 18 | 22 | 11 | 13 | 15 | 16 | 21 | 16 |
| Rainy days | 11 | 10 | 17 | 15 | 13 | 8 | 20 | 18 | 15 | 15 | 9 | 14 |
| Snow days | 10 | 2 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Merna during the most sunny months:
The largest precipitation sum in Merna is at