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Weather & Climate
Sergeant Bluff, Iowa, United States
Overview
Climate data and monthly weather averages for Sergeant Bluff.
Key Metrics
Annual Avg
9.5°C
Summer Avg
23.4°C
Winter Avg
-5.2°C
Record High
43.7°C
Record Low
-34.8°C
Annual Precipitation
749.5 mm
Avg Humidity
71%
Summer Humidity
66%
Winter Humidity
82%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 12.7° | -6.5° | -34.8° | 16.4 | 83% | 62 | 64.9 |
| Feb | 20.4° | -4.9° | -27.6° | 21 | 79% | 87 | 63 |
| Mar | 30° | 2.6° | -23.5° | 40.9 | 72% | 119 | 62.3 |
| Apr | 31.9° | 9.5° | -10.9° | 77.7 | 67% | 149 | 73.9 |
| May | 34.9° | 15.8° | -4.2° | 104.2 | 68% | 179 | 54.6 |
| Jun | 41° | 22° | 6.6° | 112.5 | 69% | 194 | 54.1 |
| Jul | 43.7° | 25° | 9.7° | 79.7 | 65% | 206 | 40.6 |
| Aug | 41.7° | 23.3° | 7.8° | 94.5 | 64% | 174 | 47.2 |
| Sep | 38° | 18.7° | 2.4° | 83.1 | 65% | 134 | 48.4 |
| Oct | 32.8° | 10° | -10.3° | 60.1 | 68% | 98 | 61 |
| Nov | 24.8° | 2.7° | -14.9° | 30.3 | 74% | 66 | 61.1 |
| Dec | 14.5° | -4.2° | -26.6° | 29.1 | 83% | 51 | 65.2 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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