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Climate & Weather Averages in Fairfield, Pennsylvania, USA

Now
33 °F

Overcast.


Feels Like: 24 °F
Forecast: 38 / 31 °F
Wind: 13 mph from West

Location: Allegheny County Airport

Current Time: Dec 5, 2019 at 9:45:46 am

Latest Report: Dec 5, 2019 at 8:53 am


Visibility: 10 mi

Pressure: 29.98 "Hg

Humidity: 75%

Dew Point: 26 °F

Location of FairfieldLocation

Annual Weather Averages in Allegheny County Airport

Allegheny County Airport is 25 miles from Fairfield, so the actual climate in Fairfield can vary a bit.

Based on weather reports collected during 1985–2015.

All Year Climate & Weather Averages in Fairfield

High Temp: 84 °F

Low Temp: 22 °F

Mean Temp: 52 °F

Precipitation: 1.74"

Humidity: 67%

Dew Point: 41 °F

Wind: 7 mph

Pressure: 30.06 "Hg

Visibility: 9 mi

January Climate & Weather Averages in Fairfield

High Temp: 37 °F

Low Temp: 22 °F

Mean Temp: 30 °F

Precipitation: 1.63"

Humidity: 72%

Dew Point: 21 °F

Wind: 9 mph

Pressure: 30.10 "Hg

Visibility: 8 mi

February Climate & Weather Averages in Fairfield

High Temp: 39 °F

Low Temp: 23 °F

Mean Temp: 31 °F

Precipitation: 1.35"

Humidity: 69%

Dew Point: 22 °F

Wind: 8 mph

Pressure: 30.10 "Hg

Visibility: 9 mi

March Climate & Weather Averages in Fairfield

High Temp: 50 °F

Low Temp: 30 °F

Mean Temp: 40 °F

Precipitation: 1.81"

Humidity: 63%

Dew Point: 28 °F

Wind: 8 mph

Pressure: 30.07 "Hg

Visibility: 9 mi

April Climate & Weather Averages in Fairfield

High Temp: 63 °F

Low Temp: 40 °F

Mean Temp: 51 °F

Precipitation: 1.93"

Humidity: 58%

Dew Point: 37 °F

Wind: 8 mph

Pressure: 29.99 "Hg

Visibility: 10 mi

May Climate & Weather Averages in Fairfield

High Temp: 72 °F

Low Temp: 51 °F

Mean Temp: 61 °F

Precipitation: 2.32"

Humidity: 64%

Dew Point: 49 °F

Wind: 7 mph

Pressure: 30.01 "Hg

Visibility: 10 mi

June Climate & Weather Averages in Fairfield

High Temp: 80 °F

Low Temp: 59 °F

Mean Temp: 70 °F

Precipitation: 2.14"

Humidity: 68%

Dew Point: 58 °F

Wind: 6 mph

Pressure: 29.99 "Hg

Visibility: 9 mi

July Climate & Weather Averages in Fairfield

High Temp: 84 °F

Low Temp: 64 °F

Mean Temp: 74 °F

Precipitation: 1.82"

Humidity: 68%

Dew Point: 62 °F

Wind: 6 mph

Pressure: 30.01 "Hg

Visibility: 8 mi

August Climate & Weather Averages in Fairfield

High Temp: 82 °F

Low Temp: 62 °F

Mean Temp: 72 °F

Precipitation: 1.64"

Humidity: 69%

Dew Point: 61 °F

Wind: 5 mph

Pressure: 30.04 "Hg

Visibility: 8 mi

September Climate & Weather Averages in Fairfield

High Temp: 75 °F

Low Temp: 55 °F

Mean Temp: 65 °F

Precipitation: 1.50"

Humidity: 71%

Dew Point: 55 °F

Wind: 6 mph

Pressure: 30.07 "Hg

Visibility: 9 mi

October Climate & Weather Averages in Fairfield

High Temp: 63 °F

Low Temp: 43 °F

Mean Temp: 53 °F

Precipitation: 1.41"

Humidity: 68%

Dew Point: 42 °F

Wind: 7 mph

Pressure: 30.09 "Hg

Visibility: 10 mi

November Climate & Weather Averages in Fairfield

High Temp: 52 °F

Low Temp: 35 °F

Mean Temp: 43 °F

Precipitation: 1.53"

Humidity: 67%

Dew Point: 32 °F

Wind: 8 mph

Pressure: 30.12 "Hg

Visibility: 10 mi

December Climate & Weather Averages in Fairfield

High Temp: 41 °F

Low Temp: 27 °F

Mean Temp: 34 °F

Precipitation: 1.80"

Humidity: 72%

Dew Point: 25 °F

Wind: 8 mph

Pressure: 30.13 "Hg

Visibility: 9 mi

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Quick Climate Info

Hottest MonthJuly (74 °F avg)
Coldest MonthJanuary (30 °F avg)
Wettest MonthMay (2.32" avg)
Windiest MonthJanuary (9 mph avg)
Annual precip.20.90" (per year)

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