Unlock deeper multi-jurisdiction research

Full sub-pages, saves, and alerts are available on paid plans.

See plans

Weather & Climate

Elgin, Illinois, United States

Overview

Climate data and monthly weather averages for Elgin.

Key Metrics

Annual Avg
9.4°C
Summer Avg
22.2°C
Winter Avg
-4.1°C
Record High
40.5°C
Record Low
-38.4°C
Annual Precipitation
981.6 mm
Avg Humidity
78%
Summer Humidity
73%
Winter Humidity
86%

Monthly Averages

MonthHigh (°C)Avg (°C)Low (°C)Rain (mm)Humidity (%)Sunshine (h)Wind (kph)
Jan15.9°-5.6°-38.4°4487%5361.4
Feb18.1°-4.1°-27.2°50.485%7469.3
Mar27°2.3°-27°62.980%11264.7
Apr28.1°8.6°-7.4°95.176%14160.2
May34.2°14.8°-3.2°119.776%17061.2
Jun37.4°20.6°1.8°112.274%18450.9
Jul40.5°23.5°9.3°99.572%19439.1
Aug38°22.6°7.8°105.772%16841
Sep34.9°18.4°2.3°86.774%13147
Oct30.3°10.8°-8°90.576%8855.6
Nov23.1°3.8°-15.1°58.281%5759.8
Dec19.9°-2.5°-27.4°56.787%4463.2

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.