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Climate & Weather Averages in West Lafayette, Indiana, USA

Currently: 84 °F. Clear. (Weather station: Purdue University Airport, USA). See more current weather

Annual Weather Averages in West Lafayette

Based on weather reports collected during 1992–2021.

All Year Climate & Weather Averages in West Lafayette

High Temp: 85 °F

Low Temp: 20 °F

Mean Temp: 52 °F

Precipitation: 3.17"

Humidity: 71%

Dew Point: 43 °F

Wind: 13 mph

Pressure: 30.04 "Hg

Visibility: 9 mi

January Climate & Weather Averages in West Lafayette

High Temp: 35 °F

Low Temp: 20 °F

Mean Temp: 27 °F

Precipitation: 2.20"

Humidity: 77%

Dew Point: 21 °F

Wind: 16 mph

Pressure: 30.12 "Hg

Visibility: 8 mi

February Climate & Weather Averages in West Lafayette

High Temp: 39 °F

Low Temp: 22 °F

Mean Temp: 31 °F

Precipitation: 1.89"

Humidity: 74%

Dew Point: 23 °F

Wind: 15 mph

Pressure: 30.11 "Hg

Visibility: 8 mi

March Climate & Weather Averages in West Lafayette

High Temp: 51 °F

Low Temp: 31 °F

Mean Temp: 41 °F

Precipitation: 2.87"

Humidity: 67%

Dew Point: 30 °F

Wind: 15 mph

Pressure: 30.08 "Hg

Visibility: 9 mi

April Climate & Weather Averages in West Lafayette

High Temp: 63 °F

Low Temp: 41 °F

Mean Temp: 52 °F

Precipitation: 3.86"

Humidity: 64%

Dew Point: 40 °F

Wind: 16 mph

Pressure: 29.98 "Hg

Visibility: 9 mi

May Climate & Weather Averages in West Lafayette

High Temp: 74 °F

Low Temp: 51 °F

Mean Temp: 63 °F

Precipitation: 4.16"

Humidity: 67%

Dew Point: 51 °F

Wind: 12 mph

Pressure: 29.98 "Hg

Visibility: 9 mi

June Climate & Weather Averages in West Lafayette

High Temp: 83 °F

Low Temp: 61 °F

Mean Temp: 72 °F

Precipitation: 4.73"

Humidity: 69%

Dew Point: 61 °F

Wind: 10 mph

Pressure: 29.95 "Hg

Visibility: 9 mi

July Climate & Weather Averages in West Lafayette

High Temp: 85 °F

Low Temp: 64 °F

Mean Temp: 74 °F

Precipitation: 4.25"

Humidity: 74%

Dew Point: 65 °F

Wind: 9 mph

Pressure: 29.98 "Hg

Visibility: 8 mi

August Climate & Weather Averages in West Lafayette

High Temp: 84 °F

Low Temp: 63 °F

Mean Temp: 73 °F

Precipitation: 3.07"

Humidity: 74%

Dew Point: 64 °F

Wind: 8 mph

Pressure: 30.01 "Hg

Visibility: 8 mi

September Climate & Weather Averages in West Lafayette

High Temp: 79 °F

Low Temp: 55 °F

Mean Temp: 67 °F

Precipitation: 2.70"

Humidity: 70%

Dew Point: 56 °F

Wind: 9 mph

Pressure: 30.04 "Hg

Visibility: 9 mi

October Climate & Weather Averages in West Lafayette

High Temp: 66 °F

Low Temp: 44 °F

Mean Temp: 55 °F

Precipitation: 3.05"

Humidity: 69%

Dew Point: 44 °F

Wind: 12 mph

Pressure: 30.06 "Hg

Visibility: 9 mi

November Climate & Weather Averages in West Lafayette

High Temp: 51 °F

Low Temp: 33 °F

Mean Temp: 42 °F

Precipitation: 2.81"

Humidity: 72%

Dew Point: 33 °F

Wind: 14 mph

Pressure: 30.11 "Hg

Visibility: 9 mi

December Climate & Weather Averages in West Lafayette

High Temp: 40 °F

Low Temp: 25 °F

Mean Temp: 32 °F

Precipitation: 2.46"

Humidity: 78%

Dew Point: 26 °F

Wind: 14 mph

Pressure: 30.10 "Hg

Visibility: 8 mi

Quick Climate Info

Hottest MonthJuly (74 °F avg)
Coldest MonthJanuary (27 °F avg)
Wettest MonthJune (4.73" avg)
Windiest MonthApril (16 mph avg)
Annual precip.38.05" (per year)

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