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Weather & Climate
Ackley, Iowa, United States
Overview
Climate data and monthly weather averages for Ackley.
Key Metrics
Annual Avg
8.6°C
Summer Avg
21.9°C
Winter Avg
-5.9°C
Record High
41.6°C
Record Low
-35.7°C
Annual Precipitation
927.7 mm
Avg Humidity
77%
Summer Humidity
75%
Winter Humidity
85%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 10.7° | -7.5° | -35.7° | 25.1 | 86% | 59 | 63.4 |
| Feb | 18.8° | -5.8° | -27.2° | 30.8 | 84% | 84 | 75.1 |
| Mar | 26.1° | 1.6° | -27.3° | 48.7 | 78% | 118 | 62.6 |
| Apr | 29.6° | 8.8° | -12° | 97.8 | 73% | 144 | 77 |
| May | 35.2° | 15.2° | -3.5° | 121.2 | 74% | 173 | 50.8 |
| Jun | 38.8° | 21° | 4.1° | 143.4 | 76% | 187 | 50.9 |
| Jul | 41.6° | 23.1° | 7.7° | 102.6 | 75% | 199 | 41 |
| Aug | 38.5° | 21.7° | 6.3° | 103.5 | 73% | 171 | 39.1 |
| Sep | 35.4° | 17.6° | 0.9° | 95.4 | 72% | 132 | 50.4 |
| Oct | 29.1° | 9.5° | -5.7° | 73.2 | 73% | 93 | 59.2 |
| Nov | 24.4° | 2.4° | -16.3° | 43.5 | 79% | 62 | 60.7 |
| Dec | 18.8° | -4.5° | -30.3° | 42.5 | 86% | 49 | 66.8 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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