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Climate & Weather Averages in Quincy, Illinois, USA

Currently: 47 °F. Fog. (Weather station: Quincy Municipal / Baldwin, USA). See more current weather

Annual Weather Averages Near Quincy

Averages are for Quincy Municipal / Baldwin, which is 11 miles from Quincy.

Based on weather reports collected during 1985–2015.

All Year Climate & Weather Averages in Quincy

High Temp: 86 °F

Low Temp: 19 °F

Mean Temp: 53 °F

Precipitation: 1.33"

Humidity: 70%

Dew Point: 43 °F

Wind: 9 mph

Pressure: 30.04 "Hg

Visibility: 10 mi

January Climate & Weather Averages in Quincy

High Temp: 35 °F

Low Temp: 19 °F

Mean Temp: 27 °F

Precipitation: 0.56"

Humidity: 74%

Dew Point: 20 °F

Wind: 10 mph

Pressure: 30.13 "Hg

Visibility: 9 mi

February Climate & Weather Averages in Quincy

High Temp: 39 °F

Low Temp: 22 °F

Mean Temp: 31 °F

Precipitation: 0.68"

Humidity: 73%

Dew Point: 22 °F

Wind: 10 mph

Pressure: 30.13 "Hg

Visibility: 9 mi

March Climate & Weather Averages in Quincy

High Temp: 52 °F

Low Temp: 32 °F

Mean Temp: 42 °F

Precipitation: 1.01"

Humidity: 67%

Dew Point: 31 °F

Wind: 10 mph

Pressure: 30.07 "Hg

Visibility: 10 mi

April Climate & Weather Averages in Quincy

High Temp: 64 °F

Low Temp: 43 °F

Mean Temp: 53 °F

Precipitation: 2.11"

Humidity: 63%

Dew Point: 40 °F

Wind: 10 mph

Pressure: 29.96 "Hg

Visibility: 11 mi

May Climate & Weather Averages in Quincy

High Temp: 74 °F

Low Temp: 53 °F

Mean Temp: 63 °F

Precipitation: 2.39"

Humidity: 67%

Dew Point: 52 °F

Wind: 9 mph

Pressure: 29.96 "Hg

Visibility: 10 mi

June Climate & Weather Averages in Quincy

High Temp: 82 °F

Low Temp: 63 °F

Mean Temp: 73 °F

Precipitation: 2.14"

Humidity: 69%

Dew Point: 62 °F

Wind: 7 mph

Pressure: 29.94 "Hg

Visibility: 10 mi

July Climate & Weather Averages in Quincy

High Temp: 86 °F

Low Temp: 66 °F

Mean Temp: 76 °F

Precipitation: 1.51"

Humidity: 71%

Dew Point: 66 °F

Wind: 7 mph

Pressure: 29.98 "Hg

Visibility: 10 mi

August Climate & Weather Averages in Quincy

High Temp: 85 °F

Low Temp: 65 °F

Mean Temp: 75 °F

Precipitation: 1.26"

Humidity: 72%

Dew Point: 64 °F

Wind: 6 mph

Pressure: 30.00 "Hg

Visibility: 10 mi

September Climate & Weather Averages in Quincy

High Temp: 78 °F

Low Temp: 56 °F

Mean Temp: 67 °F

Precipitation: 1.30"

Humidity: 68%

Dew Point: 55 °F

Wind: 7 mph

Pressure: 30.04 "Hg

Visibility: 10 mi

October Climate & Weather Averages in Quincy

High Temp: 65 °F

Low Temp: 44 °F

Mean Temp: 55 °F

Precipitation: 1.19"

Humidity: 66%

Dew Point: 43 °F

Wind: 8 mph

Pressure: 30.06 "Hg

Visibility: 11 mi

November Climate & Weather Averages in Quincy

High Temp: 51 °F

Low Temp: 33 °F

Mean Temp: 42 °F

Precipitation: 1.08"

Humidity: 70%

Dew Point: 32 °F

Wind: 10 mph

Pressure: 30.09 "Hg

Visibility: 10 mi

December Climate & Weather Averages in Quincy

High Temp: 39 °F

Low Temp: 24 °F

Mean Temp: 31 °F

Precipitation: 0.74"

Humidity: 76%

Dew Point: 24 °F

Wind: 9 mph

Pressure: 30.12 "Hg

Visibility: 9 mi

Quick Climate Info

Hottest MonthJuly (76 °F avg)
Coldest MonthJanuary (27 °F avg)
Wettest MonthMay (2.39" avg)
Windiest MonthMarch (10 mph avg)
Annual precip.15.99" (per year)

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