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Weather & Climate
DeKalb County, Missouri, United States
Overview
Climate data and monthly weather averages for DeKalb County.
Key Metrics
Annual Avg
11.5°C
Summer Avg
24.4°C
Winter Avg
-2.2°C
Record High
42.6°C
Record Low
-29.1°C
Annual Precipitation
953.9 mm
Avg Humidity
75%
Summer Humidity
72%
Winter Humidity
80%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 19.3° | -3.6° | -29.1° | 25.1 | 81% | 66 | 59.5 |
| Feb | 23° | -1.9° | -23.1° | 33 | 78% | 83 | 60.1 |
| Mar | 27.5° | 5.3° | -20.3° | 58.9 | 75% | 120 | 57.8 |
| Apr | 30.8° | 11.8° | -8.5° | 93.9 | 72% | 149 | 56.1 |
| May | 37.4° | 17.6° | -0.6° | 136.4 | 74% | 177 | 55.5 |
| Jun | 40.8° | 23.1° | 6.1° | 135.6 | 75% | 195 | 46.9 |
| Jul | 42.6° | 25.7° | 10.7° | 99.5 | 70% | 200 | 38.6 |
| Aug | 42.1° | 24.4° | 8° | 124.6 | 70% | 176 | 43 |
| Sep | 39.3° | 19.7° | 3.2° | 82.8 | 71% | 143 | 51.1 |
| Oct | 33.4° | 12° | -5.4° | 81.8 | 72% | 105 | 54.3 |
| Nov | 24.8° | 5.1° | -13.6° | 42 | 76% | 72 | 52.1 |
| Dec | 22.2° | -1.2° | -22.1° | 40.3 | 82% | 59 | 61.5 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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