Average annual temperature is 13.8 °C
Absolute maximum temperature: 34.3 °C
Absolute minimum temperature: -7.9 °C
Number of sunny days: 170 days
Number of rainy days: 189 days
Number of snow days: 6 days
Look at detailed online map of Adams County
* Weather data for Adams 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) | 17.4 | 24.0 | 23.7 | 28.2 | 30.2 | 33.4 | 33.3 | 34.3 | 33.2 | 29.3 | 24.8 | 17.5 |
| Average daytime temperature (°C) | 9.1 | 13.6 | 13.4 | 19.7 | 23.6 | 27.5 | 30.3 | 29.5 | 27.0 | 20.3 | 13.7 | 10.6 |
| Average temperature (°C) | 4.6 | 6.6 | 6.8 | 12.9 | 17.1 | 21.2 | 24.4 | 23.4 | 20.6 | 14.8 | 7.6 | 5.5 |
| Average night temperature (°C) | 1.4 | 1.7 | 2.0 | 7.2 | 11.6 | 15.6 | 19.7 | 18.4 | 15.3 | 10.5 | 3.4 | 2.1 |
| Absolute minimum temperature (°C) | -5.7 | -7.9 | -6.7 | 0.9 | 3.7 | 10.6 | 15.1 | 12.8 | 9.7 | 2.8 | -6.0 | -4.2 |
| 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) | 9.8 | 10.7 | 12.0 | 13.2 | 14.3 | 14.8 | 14.6 | 13.7 | 12.4 | 11.2 | 10.1 | 9.5 |
| 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) | 4.1 | 7.8 | 7.8 | 9.4 | 10.0 | 11.5 | 11.7 | 10.8 | 10.1 | 7.4 | 7.3 | 5.5 |
| Precipitation (mm) | 120 | 69 | 109 | 81 | 61 | 88 | 71 | 76 | 25 | 63 | 42 | 71 |
| Sunny days | 7 | 16 | 15 | 14 | 15 | 12 | 9 | 16 | 19 | 14 | 22 | 11 |
| Rainy days | 21 | 11 | 14 | 16 | 16 | 18 | 22 | 15 | 11 | 17 | 8 | 20 |
| Snow days | 3 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Adams County during the most sunny months:
The largest precipitation sum in Adams County is at