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Weather & Climate
Galesburg, Illinois, United States
Overview
Available climate summaries for Galesburg. Origins and reference periods are unverified; stored values may include AI estimates. Treat these as estimates until independently verified.
Key Metrics
Annual Avg
10.6°C
Summer Avg
23.5°C
Winter Avg
-3.3°C
Record High
42.9°C
Record Low
-35.6°C
Annual Precipitation
928.8 mm
Avg Humidity
76%
Summer Humidity
73%
Winter Humidity
83%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 17.2° | -4.8° | -35.6° | 37.8 | 84% | 57 | 61.6 |
| Feb | 20.9° | -3.1° | -25.2° | 44.8 | 81% | 78 | 61.3 |
| Mar | 26° | 3.9° | -21.6° | 61.4 | 77% | 116 | 62.1 |
| Apr | 29° | 10.8° | -7.9° | 94.2 | 74% | 146 | 58 |
| May | 34.3° | 16.8° | -1° | 121.2 | 75% | 174 | 58 |
| Jun | 40.5° | 22.3° | 6.5° | 120 | 75% | 189 | 48.9 |
| Jul | 42.9° | 24.5° | 10° | 88.4 | 73% | 197 | 40.2 |
| Aug | 40.7° | 23.6° | 7.5° | 93.3 | 70% | 172 | 39.2 |
| Sep | 39.3° | 19.3° | 1.6° | 87.6 | 71% | 140 | 47.3 |
| Oct | 33.7° | 11.5° | -6.3° | 75.6 | 73% | 98 | 55.4 |
| Nov | 24.3° | 4.5° | -13.6° | 53.4 | 78% | 65 | 58.9 |
| Dec | 21.4° | -2° | -23.2° | 51.1 | 84% | 50 | 72 |
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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