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Weather & Climate
Sac County, Iowa, United States
Overview
Climate data and monthly weather averages for Sac County.
Key Metrics
Annual Avg
9°C
Summer Avg
22.8°C
Winter Avg
-5.7°C
Record High
41.9°C
Record Low
-37°C
Annual Precipitation
800.7 mm
Avg Humidity
73%
Summer Humidity
69%
Winter Humidity
83%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 11.7° | -7.1° | -37° | 18.6 | 84% | 62 | 62 |
| Feb | 18.2° | -5.5° | -28.1° | 25.2 | 81% | 86 | 62.6 |
| Mar | 27.2° | 2° | -23.4° | 43.4 | 75% | 119 | 58.5 |
| Apr | 30.4° | 9.2° | -12° | 82.2 | 69% | 147 | 81.6 |
| May | 35° | 15.5° | -3° | 109.4 | 70% | 176 | 51.7 |
| Jun | 39.1° | 21.6° | 5.8° | 120.9 | 71% | 191 | 51.3 |
| Jul | 41.9° | 24.2° | 9.3° | 87.1 | 68% | 205 | 38.2 |
| Aug | 39.1° | 22.6° | 7.5° | 105.7 | 67% | 173 | 40.8 |
| Sep | 37.9° | 18.2° | 1.7° | 80.7 | 67% | 134 | 47.1 |
| Oct | 30.6° | 9.7° | -7.1° | 60.8 | 70% | 97 | 59.9 |
| Nov | 24.6° | 2.5° | -16.7° | 34.5 | 75% | 65 | 62.4 |
| Dec | 15.9° | -4.4° | -27.4° | 32.2 | 83% | 52 | 69.9 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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