Weather & Climate
Marion County, Missouri, United States
Overview
Available climate summaries for Marion County. Origins and reference periods are unverified; stored values may include AI estimates. Treat these as estimates until independently verified.
Key Metrics
Annual Avg
11.6°C
Summer Avg
24.3°C
Winter Avg
-2°C
Record High
42.8°C
Record Low
-31°C
Annual Precipitation
984.2 mm
Avg Humidity
76%
Summer Humidity
73%
Winter Humidity
82%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 18.7° | -3.4° | -31° | 39.7 | 82% | 63 | 57.6 |
| Feb | 23.4° | -1.8° | -23.2° | 44.2 | 80% | 80 | 66.3 |
| Mar | 26.1° | 5.2° | -20.5° | 66 | 77% | 117 | 60.7 |
| Apr | 30.4° | 11.9° | -7.6° | 100.2 | 74% | 149 | 51.5 |
| May | 35.4° | 17.6° | 0.3° | 123.1 | 76% | 175 | 67.8 |
| Jun | 41.9° | 23.1° | 8.1° | 130.8 | 76% | 192 | 44.7 |
| Jul | 42.8° | 25.4° | 10.1° | 99.2 | 72% | 198 | 34 |
| Aug | 42.1° | 24.3° | 8.2° | 104.8 | 70% | 173 | 37.3 |
| Sep | 39.1° | 19.9° | 1.7° | 84.9 | 71% | 144 | 45.2 |
| Oct | 34.5° | 12.2° | -4.9° | 85.9 | 73% | 103 | 51.1 |
| Nov | 25.4° | 5.4° | -12.9° | 54.9 | 77% | 70 | 55.7 |
| Dec | 21.5° | -0.8° | -21.9° | 50.5 | 83% | 54 | 66.1 |
Data sources
Estimates and unverified origins
Oyster List climate data - Climate origins are unverified. Available methods include historical APIs and AI estimates; stored rows do not identify the original dataset, reference period, or model for each value. Treat these summaries as estimates until independently verified. Record updated 2026-03-22.