Average annual temperature is 14.2 °C
Absolute maximum temperature: 36.5 °C
Absolute minimum temperature: -10.0 °C
Number of sunny days: 189 days
Number of rainy days: 175 days
Number of snow days: 1 day
Look at detailed online map of New Gretna
* Weather data for New Gretna 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) | 18.5 | 17.5 | 18.6 | 28.9 | 27.3 | 28.4 | 36.5 | 34.5 | 36.0 | 27.5 | 22.0 | 17.0 |
| Average daytime temperature (°C) | 9.9 | 9.8 | 11.6 | 18.3 | 19.5 | 24.6 | 30.2 | 29.0 | 25.7 | 20.7 | 13.2 | 10.3 |
| Average temperature (°C) | 6.2 | 5.7 | 6.6 | 13.6 | 15.2 | 20.0 | 25.7 | 24.3 | 21.4 | 15.6 | 8.3 | 6.6 |
| Average night temperature (°C) | 2.8 | 1.7 | 2.3 | 9.5 | 11.3 | 16.1 | 21.7 | 20.4 | 17.6 | 11.4 | 4.1 | 3.3 |
| Absolute minimum temperature (°C) | -2.3 | -10.0 | -3.1 | 1.6 | 5.2 | 10.2 | 18.1 | 15.9 | 12.2 | 4.2 | -4.2 | -2.9 |
| 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) | 9.7 | 10.7 | 12.0 | 13.3 | 14.4 | 14.9 | 14.6 | 13.7 | 12.5 | 11.2 | 10.0 | 9.4 |
| 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) | 5.3 | 7.0 | 7.5 | 9.5 | 11.7 | 10.9 | 11.7 | 10.5 | 8.8 | 8.7 | 7.8 | 5.7 |
| Precipitation (mm) | 76 | 53 | 89 | 131 | 52 | 89 | 98 | 66 | 195 | 52 | 57 | 246 |
| Sunny days | 15 | 16 | 14 | 17 | 20 | 13 | 9 | 13 | 13 | 18 | 22 | 19 |
| Rainy days | 16 | 11 | 17 | 13 | 11 | 17 | 22 | 18 | 17 | 13 | 8 | 12 |
| Snow days | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit New Gretna during the most sunny months:
The largest precipitation sum in New Gretna is at