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Weather & Climate
Steger, Illinois, United States
Overview
Climate data and monthly weather averages for Steger.
Key Metrics
Annual Avg
10.1°C
Summer Avg
22.3°C
Winter Avg
-2.7°C
Record High
39.5°C
Record Low
-31.3°C
Annual Precipitation
976.3 mm
Avg Humidity
79%
Summer Humidity
75%
Winter Humidity
85%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 16.4° | -4.1° | -31.3° | 51.1 | 86% | 51 | 63.9 |
| Feb | 18° | -2.9° | -26.3° | 52.1 | 84% | 70 | 64.6 |
| Mar | 26.4° | 3° | -22.3° | 61.7 | 80% | 111 | 66.1 |
| Apr | 26.9° | 9.2° | -5.9° | 93.6 | 77% | 141 | 60.3 |
| May | 33.2° | 15° | -3° | 112.2 | 77% | 167 | 59.8 |
| Jun | 36.8° | 20.7° | 2.1° | 105.6 | 77% | 183 | 47.7 |
| Jul | 39.5° | 23.5° | 9.1° | 101.4 | 74% | 191 | 38.2 |
| Aug | 35.7° | 22.8° | 9.3° | 106 | 73% | 166 | 44 |
| Sep | 35° | 19° | 3.6° | 81.3 | 73% | 132 | 46.1 |
| Oct | 30.2° | 11.6° | -5.3° | 93 | 75% | 91 | 55.7 |
| Nov | 23.3° | 4.8° | -11° | 60.9 | 80% | 58 | 60 |
| Dec | 19.9° | -1.2° | -22.9° | 57.4 | 86% | 44 | 60.4 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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