Armstrong, Illinois — City Overview

Living in Armstrong, summers are warm, peaking at 84.3°F in Jul, while winters are cold — Feb lows average 20.6°F. Winter heating is a real budget factor — 5133 degree days means 4-5 months of meaningful energy bills. With 38.8 inches annually, the climate is relatively dry. Air quality is Good — avg AQI 43 over the past week.

View Armstrong city guide

Updated August 28, 2026.

Get your home essentials, storage, and moving supplies delivered.

Shop Moving Essentials

As an Amazon Associate I earn from qualifying purchases.