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Weather & Climate
Allison, Iowa, United States
Overview
Climate data and monthly weather averages for Allison.
Key Metrics
Annual Avg
8°C
Summer Avg
21.5°C
Winter Avg
-6.7°C
Record High
40.5°C
Record Low
-35.6°C
Annual Precipitation
941.5 mm
Avg Humidity
79%
Summer Humidity
76%
Winter Humidity
87%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 9.9° | -8.3° | -35.6° | 25.4 | 88% | 60 | 60.1 |
| Feb | 18° | -6.6° | -28.4° | 31.6 | 86% | 85 | 77.9 |
| Mar | 25.5° | 1° | -29.1° | 50.2 | 79% | 121 | 64.9 |
| Apr | 29.4° | 8.1° | -12.3° | 99 | 74% | 143 | 75.1 |
| May | 33.5° | 14.7° | -3.7° | 121.8 | 75% | 174 | 52.6 |
| Jun | 37.3° | 20.4° | 4.4° | 145.2 | 77% | 185 | 47.9 |
| Jul | 40.5° | 22.7° | 7.9° | 106.6 | 76% | 197 | 37.6 |
| Aug | 38° | 21.3° | 5.7° | 103.5 | 75% | 171 | 39.6 |
| Sep | 33.7° | 17.1° | 0.1° | 97.2 | 74% | 132 | 50.3 |
| Oct | 28.8° | 9° | -5.8° | 73.5 | 75% | 91 | 58.8 |
| Nov | 23.4° | 1.8° | -16.2° | 44.7 | 80% | 61 | 59.4 |
| Dec | 18.4° | -5.2° | -32.4° | 42.8 | 88% | 48 | 61.5 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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