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Climate & Weather Averages in London, Ontario, Canada

Currently: 28 °F. Snow flurries. Mostly cloudy. (Weather station: London Weather Station, Canada). See more current weather

Annual Weather Averages Near London

Averages are for London Weather Station, which is 6 miles from London.

Based on weather reports collected during 1992–2021.

All Year Climate & Weather Averages in London

High Temp: 80 °F

Low Temp: 16 °F

Mean Temp: 47 °F

Precipitation: 3.15"

Humidity: 76%

Dew Point: 39 °F

Wind: 16 mph

Pressure: 30.03 "Hg

Visibility: 11 mi

January Climate & Weather Averages in London

High Temp: 29 °F

Low Temp: 16 °F

Mean Temp: 23 °F

Precipitation: 3.06"

Humidity: 81%

Dew Point: 18 °F

Wind: 19 mph

Pressure: 30.05 "Hg

Visibility: 9 mi

February Climate & Weather Averages in London

High Temp: 31 °F

Low Temp: 16 °F

Mean Temp: 23 °F

Precipitation: 2.58"

Humidity: 78%

Dew Point: 18 °F

Wind: 18 mph

Pressure: 30.05 "Hg

Visibility: 10 mi

March Climate & Weather Averages in London

High Temp: 40 °F

Low Temp: 24 °F

Mean Temp: 32 °F

Precipitation: 2.62"

Humidity: 74%

Dew Point: 24 °F

Wind: 18 mph

Pressure: 30.06 "Hg

Visibility: 11 mi

April Climate & Weather Averages in London

High Temp: 54 °F

Low Temp: 34 °F

Mean Temp: 44 °F

Precipitation: 3.34"

Humidity: 69%

Dew Point: 33 °F

Wind: 18 mph

Pressure: 29.98 "Hg

Visibility: 12 mi

May Climate & Weather Averages in London

High Temp: 67 °F

Low Temp: 45 °F

Mean Temp: 56 °F

Precipitation: 3.44"

Humidity: 69%

Dew Point: 45 °F

Wind: 16 mph

Pressure: 29.99 "Hg

Visibility: 12 mi

June Climate & Weather Averages in London

High Temp: 76 °F

Low Temp: 56 °F

Mean Temp: 66 °F

Precipitation: 3.55"

Humidity: 72%

Dew Point: 56 °F

Wind: 14 mph

Pressure: 29.96 "Hg

Visibility: 12 mi

July Climate & Weather Averages in London

High Temp: 80 °F

Low Temp: 60 °F

Mean Temp: 70 °F

Precipitation: 3.20"

Humidity: 74%

Dew Point: 60 °F

Wind: 12 mph

Pressure: 29.98 "Hg

Visibility: 12 mi

August Climate & Weather Averages in London

High Temp: 78 °F

Low Temp: 58 °F

Mean Temp: 68 °F

Precipitation: 2.93"

Humidity: 77%

Dew Point: 60 °F

Wind: 12 mph

Pressure: 30.02 "Hg

Visibility: 12 mi

September Climate & Weather Averages in London

High Temp: 72 °F

Low Temp: 51 °F

Mean Temp: 61 °F

Precipitation: 3.54"

Humidity: 77%

Dew Point: 54 °F

Wind: 13 mph

Pressure: 30.05 "Hg

Visibility: 12 mi

October Climate & Weather Averages in London

High Temp: 59 °F

Low Temp: 41 °F

Mean Temp: 50 °F

Precipitation: 3.26"

Humidity: 79%

Dew Point: 43 °F

Wind: 15 mph

Pressure: 30.04 "Hg

Visibility: 12 mi

November Climate & Weather Averages in London

High Temp: 45 °F

Low Temp: 32 °F

Mean Temp: 39 °F

Precipitation: 3.27"

Humidity: 80%

Dew Point: 32 °F

Wind: 17 mph

Pressure: 30.07 "Hg

Visibility: 11 mi

December Climate & Weather Averages in London

High Temp: 35 °F

Low Temp: 23 °F

Mean Temp: 29 °F

Precipitation: 3.06"

Humidity: 82%

Dew Point: 24 °F

Wind: 18 mph

Pressure: 30.05 "Hg

Visibility: 10 mi

Quick Climate Info

Hottest MonthJuly (70 °F avg)
Coldest MonthJanuary (23 °F avg)
Wettest MonthJune (3.55" avg)
Windiest MonthJanuary (19 mph avg)
Annual precip.37.83" (per year)

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