Unlock deeper multi-jurisdiction research
Full sub-pages, saves, and alerts are available on paid plans.
Weather & Climate
Montgomery County, Iowa, United States
Overview
Climate data and monthly weather averages for Montgomery County.
Key Metrics
Annual Avg
10.4°C
Summer Avg
23.6°C
Winter Avg
-3.8°C
Record High
42°C
Record Low
-32.2°C
Annual Precipitation
866.4 mm
Avg Humidity
74%
Summer Humidity
71%
Winter Humidity
82%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 13.5° | -5.1° | -32.2° | 20.2 | 83% | 62 | 59.8 |
| Feb | 19.8° | -3.4° | -23.5° | 26 | 79% | 84 | 59.8 |
| Mar | 27.9° | 3.8° | -25.1° | 46.5 | 74% | 118 | 58.1 |
| Apr | 30.8° | 10.7° | -8.5° | 83.7 | 70% | 147 | 59.7 |
| May | 36.1° | 16.7° | -1.2° | 128.7 | 73% | 179 | 54.9 |
| Jun | 39.1° | 22.4° | 5.9° | 124.8 | 74% | 194 | 51.4 |
| Jul | 42° | 25° | 10.1° | 89 | 69% | 203 | 40 |
| Aug | 40.6° | 23.5° | 7.5° | 114.7 | 69% | 175 | 36.9 |
| Sep | 37.4° | 19.1° | 2.7° | 83.4 | 69% | 138 | 48.8 |
| Oct | 31.1° | 11° | -6° | 72.9 | 71% | 100 | 56.9 |
| Nov | 24.3° | 3.9° | -13.3° | 38.4 | 76% | 68 | 56.1 |
| Dec | 18.9° | -2.8° | -24.9° | 38.1 | 83% | 53 | 67.6 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
Subscribe to unlock the full sub-page depth for additional jurisdictions.
You can keep discovering Oyster publicly, but full multi-jurisdiction depth, tracking, alerts, and exports are part of paid access.