Average annual temperature is 10.5 °C
Absolute maximum temperature: 37.6 °C
Absolute minimum temperature: -25.6 °C
Number of sunny days: 204 days
Number of rainy days: 137 days
Number of snow days: 24 days
Look at detailed online map of Ackley
* Weather data for Ackley 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) | 11.0 | 10.4 | 22.2 | 26.6 | 30.5 | 31.4 | 33.1 | 37.6 | 34.3 | 30.7 | 17.4 | 12.8 |
| Average daytime temperature (°C) | -0.5 | 2.7 | 6.3 | 15.7 | 24.0 | 28.2 | 27.7 | 28.3 | 26.0 | 16.7 | 9.8 | 5.7 |
| Average temperature (°C) | -4.6 | -3.0 | 0.5 | 9.3 | 17.4 | 22.3 | 22.4 | 23.1 | 20.1 | 12.1 | 4.6 | 1.4 |
| Average night temperature (°C) | -7.7 | -7.6 | -3.7 | 4.0 | 11.3 | 16.8 | 17.3 | 18.5 | 15.3 | 8.2 | 0.6 | -1.4 |
| Absolute minimum temperature (°C) | -25.6 | -25.6 | -17.6 | -5.0 | 0.6 | 8.9 | 11.5 | 11.9 | 9.5 | -5.0 | -13.3 | -7.5 |
| 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) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.2 | 14.9 | 13.9 | 12.5 | 11.1 | 9.8 | 9.1 |
| 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 | 9.0 |
| Sunshine mean duration (h) | 4.5 | 6.9 | 7.4 | 9.2 | 11.5 | 11.9 | 12.3 | 11.5 | 9.8 | 7.2 | 6.9 | 4.4 |
| Precipitation (mm) | 71 | 42 | 79 | 47 | 106 | 74 | 55 | 64 | 34 | 84 | 9 | 39 |
| Sunny days | 17 | 16 | 13 | 16 | 20 | 15 | 14 | 17 | 16 | 17 | 22 | 21 |
| Rainy days | 6 | 10 | 9 | 14 | 11 | 15 | 17 | 14 | 14 | 13 | 7 | 7 |
| Snow days | 8 | 2 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 3 |
The best time to visit Ackley during the most sunny months:
The largest precipitation sum in Ackley is at