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Weather & Climate
Granger, Iowa, United States
Overview
Available climate summaries for Granger. Origins and reference periods are unverified; stored values may include AI estimates. Treat these as estimates until independently verified.
Key Metrics
Annual Avg
9.5°C
Summer Avg
23°C
Winter Avg
-5°C
Record High
42.1°C
Record Low
-35.5°C
Annual Precipitation
865.3 mm
Avg Humidity
75%
Summer Humidity
71%
Winter Humidity
83%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 12.9° | -6.4° | -35.5° | 22 | 84% | 61 | 63.4 |
| Feb | 19.8° | -4.9° | -25.4° | 28 | 81% | 84 | 60.2 |
| Mar | 26.3° | 2.6° | -24.1° | 45.6 | 76% | 118 | 61.1 |
| Apr | 30.7° | 9.8° | -10.4° | 89.7 | 71% | 145 | 71.1 |
| May | 35.9° | 16° | -2.3° | 117.5 | 73% | 175 | 50.6 |
| Jun | 39.5° | 21.9° | 4.5° | 127.8 | 74% | 189 | 47.1 |
| Jul | 42.1° | 24.3° | 9.3° | 93.3 | 71% | 198 | 43.2 |
| Aug | 40.1° | 22.9° | 7.8° | 109.7 | 69% | 172 | 38.5 |
| Sep | 38.4° | 18.5° | 1.9° | 85.8 | 69% | 137 | 47.9 |
| Oct | 30.1° | 10.3° | -5.8° | 68.2 | 71% | 97 | 58.2 |
| Nov | 24.8° | 3.1° | -15.4° | 40.2 | 77% | 65 | 61.4 |
| Dec | 19.3° | -3.7° | -26.7° | 37.5 | 84% | 52 | 67.4 |
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.
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