Average annual temperature is 17.8 °C
Absolute maximum temperature: 41.9 °C
Absolute minimum temperature: -7.5 °C
Number of sunny days: 259 days
Number of rainy days: 103 days
Number of snow days: 3 days
Look at detailed online map of Terry County
* Weather data for Terry County 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) | 23.4 | 27.9 | 29.9 | 33.6 | 34.5 | 41.9 | 41.5 | 41.5 | 40.3 | 31.3 | 29.7 | 23.7 |
| Average daytime temperature (°C) | 14.4 | 16.0 | 21.9 | 25.9 | 28.7 | 34.2 | 36.5 | 37.1 | 33.0 | 24.8 | 18.1 | 15.0 |
| Average temperature (°C) | 7.1 | 7.5 | 12.8 | 16.8 | 21.2 | 26.3 | 29.6 | 30.2 | 25.9 | 17.4 | 10.5 | 7.6 |
| Average night temperature (°C) | 1.2 | 1.7 | 5.6 | 9.3 | 14.5 | 19.1 | 22.8 | 23.1 | 19.2 | 11.5 | 4.9 | 2.0 |
| Absolute minimum temperature (°C) | -7.4 | -7.5 | -1.9 | 2.3 | 9.9 | 13.3 | 18.7 | 17.0 | 15.1 | -2.3 | -3.0 | -4.4 |
| 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 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.2 | 11.0 | 12.0 | 13.0 | 13.9 | 14.3 | 14.1 | 13.4 | 12.4 | 11.4 | 10.5 | 10.0 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 7.9 | 8.0 | 9.8 | 10.9 | 11.0 | 12.3 | 12.6 | 11.9 | 10.7 | 9.0 | 7.8 | 8.0 |
| Precipitation (mm) | 10 | 11 | 1 | 8 | 57 | 113 | 20 | 18 | 44 | 65 | 8 | 40 |
| Sunny days | 27 | 19 | 27 | 24 | 9 | 20 | 22 | 24 | 20 | 20 | 22 | 25 |
| Rainy days | 2 | 8 | 4 | 6 | 22 | 10 | 9 | 7 | 10 | 11 | 8 | 6 |
| Snow days | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Terry County during the most sunny months:
The largest precipitation sum in Terry County is at