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Climate & Weather Averages in Carbondale, Illinois, USA

Currently: 26 °F. Overcast. (Weather station: Southern Illinois Airport, USA). See more current weather

Annual Weather Averages Near Carbondale

Averages are for Southern Illinois Airport, which is 5 miles from Carbondale.

Based on weather reports collected during 1992–2021.

All Year Climate & Weather Averages in Carbondale

High Temp: 89 °F

Low Temp: 25 °F

Mean Temp: 57 °F

Precipitation: 3.48"

Humidity: 71%

Dew Point: 47 °F

Wind: 11 mph

Pressure: 30.06 "Hg

Visibility: 9 mi

January Climate & Weather Averages in Carbondale

High Temp: 42 °F

Low Temp: 25 °F

Mean Temp: 34 °F

Precipitation: 2.54"

Humidity: 73%

Dew Point: 26 °F

Wind: 14 mph

Pressure: 30.16 "Hg

Visibility: 9 mi

February Climate & Weather Averages in Carbondale

High Temp: 47 °F

Low Temp: 29 °F

Mean Temp: 38 °F

Precipitation: 2.49"

Humidity: 70%

Dew Point: 28 °F

Wind: 14 mph

Pressure: 30.13 "Hg

Visibility: 9 mi

March Climate & Weather Averages in Carbondale

High Temp: 57 °F

Low Temp: 37 °F

Mean Temp: 47 °F

Precipitation: 4.08"

Humidity: 66%

Dew Point: 36 °F

Wind: 14 mph

Pressure: 30.08 "Hg

Visibility: 9 mi

April Climate & Weather Averages in Carbondale

High Temp: 68 °F

Low Temp: 46 °F

Mean Temp: 57 °F

Precipitation: 4.74"

Humidity: 65%

Dew Point: 45 °F

Wind: 15 mph

Pressure: 29.98 "Hg

Visibility: 10 mi

May Climate & Weather Averages in Carbondale

High Temp: 77 °F

Low Temp: 56 °F

Mean Temp: 67 °F

Precipitation: 4.26"

Humidity: 71%

Dew Point: 57 °F

Wind: 12 mph

Pressure: 29.98 "Hg

Visibility: 9 mi

June Climate & Weather Averages in Carbondale

High Temp: 86 °F

Low Temp: 65 °F

Mean Temp: 76 °F

Precipitation: 4.19"

Humidity: 70%

Dew Point: 65 °F

Wind: 10 mph

Pressure: 29.96 "Hg

Visibility: 9 mi

July Climate & Weather Averages in Carbondale

High Temp: 89 °F

Low Temp: 69 °F

Mean Temp: 79 °F

Precipitation: 3.62"

Humidity: 73%

Dew Point: 69 °F

Wind: 8 mph

Pressure: 29.99 "Hg

Visibility: 9 mi

August Climate & Weather Averages in Carbondale

High Temp: 87 °F

Low Temp: 66 °F

Mean Temp: 77 °F

Precipitation: 2.72"

Humidity: 74%

Dew Point: 68 °F

Wind: 7 mph

Pressure: 30.01 "Hg

Visibility: 8 mi

September Climate & Weather Averages in Carbondale

High Temp: 81 °F

Low Temp: 57 °F

Mean Temp: 69 °F

Precipitation: 3.09"

Humidity: 73%

Dew Point: 60 °F

Wind: 7 mph

Pressure: 30.04 "Hg

Visibility: 8 mi

October Climate & Weather Averages in Carbondale

High Temp: 70 °F

Low Temp: 46 °F

Mean Temp: 58 °F

Precipitation: 3.46"

Humidity: 69%

Dew Point: 48 °F

Wind: 10 mph

Pressure: 30.07 "Hg

Visibility: 9 mi

November Climate & Weather Averages in Carbondale

High Temp: 57 °F

Low Temp: 36 °F

Mean Temp: 46 °F

Precipitation: 3.51"

Humidity: 70%

Dew Point: 36 °F

Wind: 13 mph

Pressure: 30.14 "Hg

Visibility: 9 mi

December Climate & Weather Averages in Carbondale

High Temp: 46 °F

Low Temp: 29 °F

Mean Temp: 37 °F

Precipitation: 3.10"

Humidity: 75%

Dew Point: 30 °F

Wind: 13 mph

Pressure: 30.14 "Hg

Visibility: 9 mi

Quick Climate Info

Hottest MonthJuly (79 °F avg)
Coldest MonthJanuary (34 °F avg)
Wettest MonthApril (4.74" avg)
Windiest MonthApril (15 mph avg)
Annual precip.41.79" (per year)

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