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Weather & Climate

The Galena Territory, Illinois, United States

Overview

Climate data and monthly weather averages for The Galena Territory.

Key Metrics

Annual Avg
8.6°C
Summer Avg
21.8°C
Winter Avg
-5.8°C
Record High
41°C
Record Low
-37.2°C
Annual Precipitation
957.3 mm
Avg Humidity
79%
Summer Humidity
75%
Winter Humidity
87%

Monthly Averages

MonthHigh (°C)Avg (°C)Low (°C)Rain (mm)Humidity (%)Sunshine (h)Wind (kph)
Jan10.1°-7.3°-37.2°30.787%5658.5
Feb19.9°-5.8°-28.3°36.785%7973.9
Mar25°1.6°-27°54.979%11664
Apr27.8°8.5°-11.7°94.875%14264.9
May33°14.9°-3°109.177%17355
Jun37.3°20.6°3.8°137.477%18448.3
Jul41°23°7.9°111.675%19440.5
Aug37.6°21.9°6.9°102.674%16838.1
Sep36.1°17.6°0.3°97.574%13249.8
Oct30.1°9.7°-5.8°7976%9056.4
Nov22.2°2.5°-16.4°53.781%5954.9
Dec19.7°-4.3°-29.7°49.388%4466.9

Frequently Asked Questions

Sources: NASA POWER · Last updated: 2025

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