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Climate & Weather Averages in Slough, England, United Kingdom

Currently: 63 °F. More clouds than sun. (Weather station: London City Airport, United Kingdom). See more current weather

Annual Weather Averages in London City Airport

London City Airport is 28 miles from Slough, so the actual climate in Slough can vary a bit.

Based on weather reports collected during 1985–2015.

All Year Climate & Weather Averages in Slough

High Temp: 72 °F

Low Temp: 39 °F

Mean Temp: 53 °F

Precipitation: 0.80"

Humidity: 76%

Dew Point: 45 °F

Wind: 9 mph

Pressure: 29.99 "Hg

Visibility: 6 mi

January Climate & Weather Averages in Slough

High Temp: 46 °F

Low Temp: 39 °F

Mean Temp: 42 °F

Precipitation: 1.05"

Humidity: 83%

Dew Point: 38 °F

Wind: 10 mph

Pressure: 30.01 "Hg

Visibility: 6 mi

February Climate & Weather Averages in Slough

High Temp: 46 °F

Low Temp: 39 °F

Mean Temp: 42 °F

Precipitation: 0.81"

Humidity: 79%

Dew Point: 36 °F

Wind: 10 mph

Pressure: 30.01 "Hg

Visibility: 6 mi

March Climate & Weather Averages in Slough

High Temp: 51 °F

Low Temp: 41 °F

Mean Temp: 46 °F

Precipitation: 0.66"

Humidity: 75%

Dew Point: 38 °F

Wind: 10 mph

Pressure: 30.02 "Hg

Visibility: 6 mi

April Climate & Weather Averages in Slough

High Temp: 56 °F

Low Temp: 44 °F

Mean Temp: 50 °F

Precipitation: 0.79"

Humidity: 71%

Dew Point: 41 °F

Wind: 9 mph

Pressure: 29.96 "Hg

Visibility: 6 mi

May Climate & Weather Averages in Slough

High Temp: 62 °F

Low Temp: 50 °F

Mean Temp: 56 °F

Precipitation: 0.71"

Humidity: 69%

Dew Point: 46 °F

Wind: 10 mph

Pressure: 30.01 "Hg

Visibility: 6 mi

June Climate & Weather Averages in Slough

High Temp: 67 °F

Low Temp: 55 °F

Mean Temp: 61 °F

Precipitation: 0.63"

Humidity: 68%

Dew Point: 50 °F

Wind: 9 mph

Pressure: 30.02 "Hg

Visibility: 6 mi

July Climate & Weather Averages in Slough

High Temp: 72 °F

Low Temp: 59 °F

Mean Temp: 65 °F

Precipitation: 0.62"

Humidity: 68%

Dew Point: 54 °F

Wind: 9 mph

Pressure: 29.99 "Hg

Visibility: 7 mi

August Climate & Weather Averages in Slough

High Temp: 71 °F

Low Temp: 59 °F

Mean Temp: 65 °F

Precipitation: 0.75"

Humidity: 69%

Dew Point: 54 °F

Wind: 9 mph

Pressure: 29.98 "Hg

Visibility: 6 mi

September Climate & Weather Averages in Slough

High Temp: 66 °F

Low Temp: 55 °F

Mean Temp: 60 °F

Precipitation: 0.62"

Humidity: 74%

Dew Point: 52 °F

Wind: 8 mph

Pressure: 30.02 "Hg

Visibility: 6 mi

October Climate & Weather Averages in Slough

High Temp: 59 °F

Low Temp: 50 °F

Mean Temp: 54 °F

Precipitation: 1.09"

Humidity: 80%

Dew Point: 48 °F

Wind: 9 mph

Pressure: 29.94 "Hg

Visibility: 6 mi

November Climate & Weather Averages in Slough

High Temp: 51 °F

Low Temp: 43 °F

Mean Temp: 47 °F

Precipitation: 0.96"

Humidity: 84%

Dew Point: 43 °F

Wind: 9 mph

Pressure: 29.94 "Hg

Visibility: 6 mi

December Climate & Weather Averages in Slough

High Temp: 47 °F

Low Temp: 40 °F

Mean Temp: 43 °F

Precipitation: 0.94"

Humidity: 85%

Dew Point: 39 °F

Wind: 10 mph

Pressure: 30.00 "Hg

Visibility: 6 mi

Quick Climate Info

Hottest MonthJuly (65 °F avg)
Coldest MonthJanuary (42 °F avg)
Wettest MonthOctober (1.09" avg)
Windiest MonthJanuary (10 mph avg)
Annual precip.9.63" (per year)

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