Average annual temperature is 10.7 °C
Absolute maximum temperature: 37.9 °C
Absolute minimum temperature: -26.0 °C
Number of sunny days: 197 days
Number of rainy days: 142 days
Number of snow days: 26 days
Look at detailed online map of Town of Marietta
* Weather data for Town of Marietta 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) | 7.1 | 9.4 | 17.3 | 26.6 | 31.4 | 33.0 | 34.1 | 37.9 | 35.1 | 30.1 | 17.2 | 12.3 |
| Average daytime temperature (°C) | 0.9 | 3.5 | 7.1 | 15.7 | 23.7 | 28.5 | 28.7 | 28.4 | 25.2 | 16.4 | 8.9 | 5.8 |
| Average temperature (°C) | -3.0 | -2.2 | 1.5 | 9.1 | 16.7 | 22.0 | 22.9 | 22.9 | 19.7 | 12.0 | 4.0 | 1.8 |
| Average night temperature (°C) | -5.8 | -6.8 | -2.8 | 3.9 | 10.4 | 16.0 | 17.6 | 18.0 | 15.4 | 8.3 | 0.4 | -0.8 |
| Absolute minimum temperature (°C) | -26.0 | -24.2 | -17.4 | -5.3 | 1.9 | 7.8 | 12.6 | 11.1 | 8.8 | -3.8 | -12.0 | -7.6 |
| 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 | 9.0 |
| 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) | 4.1 | 6.5 | 6.7 | 8.6 | 11.8 | 12.6 | 12.6 | 11.6 | 9.5 | 6.8 | 7.0 | 4.1 |
| Precipitation (mm) | 55 | 45 | 101 | 77 | 44 | 29 | 67 | 39 | 159 | 79 | 14 | 43 |
| Sunny days | 16 | 16 | 13 | 17 | 20 | 16 | 16 | 13 | 12 | 14 | 25 | 19 |
| Rainy days | 9 | 8 | 10 | 13 | 11 | 14 | 15 | 18 | 18 | 15 | 3 | 8 |
| Snow days | 6 | 4 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 4 |
The best time to visit Town of Marietta during the most sunny months:
Months with the longest average daylight duration in Town of Marietta:
The largest precipitation sum in Town of Marietta is at