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Weather & Climate
Frankfort Square, Illinois, United States
Overview
Climate data and monthly weather averages for Frankfort Square.
Key Metrics
Annual Avg
9.6°C
Summer Avg
N/A
Winter Avg
N/A
Record High
0.5°C
Record Low
-16.2°C
Annual Precipitation
940 mm
Avg Humidity
87%
Summer Humidity
N/A
Winter Humidity
N/A
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | -1° | — | -8° | 44 | 78% | — | — |
| Feb | 1.7° | — | -6.7° | 43 | 76% | — | — |
| Mar | 7° | — | -2.1° | 61 | 72% | — | — |
| Apr | 14.3° | — | 3.5° | 97 | 67% | — | — |
| May | 20.2° | — | 9.1° | 101 | 69% | — | — |
| Jun | 26° | — | 14.9° | 104 | 72% | — | — |
| Jul | 28.5° | — | 17.6° | 101 | 73% | — | — |
| Aug | 27.1° | — | 16.8° | 97 | 73% | — | — |
| Sep | 23° | — | 12.5° | 86 | 74% | — | — |
| Oct | 16.3° | — | 6.2° | 83 | 72% | — | — |
| Nov | 8.5° | — | -0.6° | 69 | 75% | — | — |
| Dec | 1.7° | — | -6° | 54 | 78% | — | — |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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