Unlock more jurisdiction sub-pages
Subscribe for full sub-page depth, saves, alerts, and exports.
Weather & Climate
Hancock County, Illinois, United States
Overview
Available climate summaries for Hancock County. Origins and reference periods are unverified; stored values may include AI estimates. Treat these as estimates until independently verified.
Key Metrics
Annual Avg
11.2°C
Summer Avg
24.1°C
Winter Avg
-2.6°C
Record High
42.9°C
Record Low
-33.5°C
Annual Precipitation
947.8 mm
Avg Humidity
76%
Summer Humidity
72%
Winter Humidity
82%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 17.7° | -4° | -33.5° | 36 | 83% | 58 | 62.2 |
| Feb | 22.8° | -2.4° | -24.6° | 43.1 | 80% | 79 | 63.6 |
| Mar | 25.3° | 4.6° | -20.9° | 61.7 | 77% | 115 | 61.1 |
| Apr | 29.6° | 11.5° | -7.7° | 94.5 | 73% | 146 | 55.3 |
| May | 35.2° | 17.4° | 0.1° | 120 | 75% | 175 | 62.9 |
| Jun | 41.7° | 22.9° | 7.8° | 128.4 | 75% | 190 | 47.2 |
| Jul | 42.9° | 25.2° | 10.7° | 94.2 | 71% | 198 | 36.4 |
| Aug | 41.5° | 24.1° | 8.4° | 101.4 | 70% | 172 | 37.4 |
| Sep | 39° | 19.8° | 1.8° | 84.3 | 70% | 141 | 45.4 |
| Oct | 34.4° | 12° | -5.2° | 80.6 | 72% | 99 | 54.8 |
| Nov | 24.9° | 5° | -13.2° | 53.7 | 77% | 66 | 56.4 |
| Dec | 21.4° | -1.3° | -22.5° | 49.9 | 83% | 51 | 71.4 |
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.
Subscribe to unlock more jurisdiction sub-pages this month.
You can keep discovering Oyster publicly, but full multi-jurisdiction depth, tracking, alerts, and exports are part of paid access.