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Weather & Climate
Spencer, Iowa, United States
Overview
Climate data and monthly weather averages for Spencer.
Key Metrics
Annual Avg
8.6°C
Summer Avg
22.5°C
Winter Avg
-6.4°C
Record High
41.6°C
Record Low
-37.5°C
Annual Precipitation
808 mm
Avg Humidity
74%
Summer Humidity
68%
Winter Humidity
84%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 10.9° | -7.9° | -37.5° | 18 | 85% | 62 | 62.2 |
| Feb | 17.6° | -6.2° | -29.2° | 23.8 | 82% | 87 | 63.9 |
| Mar | 26.9° | 1.4° | -27° | 44 | 75% | 121 | 57.9 |
| Apr | 30.8° | 8.6° | -13.9° | 82.8 | 69% | 146 | 77.6 |
| May | 34.8° | 15.1° | -3.6° | 108.5 | 70% | 172 | 53.3 |
| Jun | 38.8° | 21.2° | 5.7° | 122.1 | 71% | 188 | 51.3 |
| Jul | 41.6° | 24° | 8.8° | 89 | 67% | 205 | 39.2 |
| Aug | 39.2° | 22.3° | 6.8° | 100.8 | 67% | 172 | 40.9 |
| Sep | 37.4° | 17.9° | 1.3° | 91.2 | 67% | 131 | 47 |
| Oct | 30.6° | 9.2° | -7.8° | 62.9 | 70% | 93 | 59.7 |
| Nov | 24.8° | 1.9° | -18.2° | 33.9 | 76% | 61 | 63.2 |
| Dec | 15.3° | -5° | -27.8° | 31 | 84% | 48 | 68.7 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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