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Climate & Weather Averages in London, Ontario, Canada

Currently: 10 °C. Passing clouds. (Weather station: London Weather Station, Canada). See more current weather

Annual Weather Averages Near London

Averages are for London Weather Station, which is 9 kilometers from London.

Based on weather reports collected during 1992–2021.

All Year Climate & Weather Averages in London

High Temp: 27 °C

Low Temp: -9 °C

Mean Temp: 8 °C

Precipitation: 80.1 mm

Humidity: 76%

Dew Point: 4 °C

Wind: 26 km/h

Pressure: 101.68 kPa

Visibility: 18 km

January Climate & Weather Averages in London

High Temp: -2 °C

Low Temp: -9 °C

Mean Temp: -5 °C

Precipitation: 77.7 mm

Humidity: 81%

Dew Point: -8 °C

Wind: 31 km/h

Pressure: 101.76 kPa

Visibility: 15 km

February Climate & Weather Averages in London

High Temp: -1 °C

Low Temp: -9 °C

Mean Temp: -5 °C

Precipitation: 65.4 mm

Humidity: 78%

Dew Point: -8 °C

Wind: 30 km/h

Pressure: 101.78 kPa

Visibility: 16 km

March Climate & Weather Averages in London

High Temp: 5 °C

Low Temp: -4 °C

Mean Temp: 0 °C

Precipitation: 66.5 mm

Humidity: 74%

Dew Point: -4 °C

Wind: 29 km/h

Pressure: 101.79 kPa

Visibility: 18 km

April Climate & Weather Averages in London

High Temp: 12 °C

Low Temp: 1 °C

Mean Temp: 7 °C

Precipitation: 84.9 mm

Humidity: 69%

Dew Point: 1 °C

Wind: 30 km/h

Pressure: 101.53 kPa

Visibility: 20 km

May Climate & Weather Averages in London

High Temp: 19 °C

Low Temp: 7 °C

Mean Temp: 13 °C

Precipitation: 87.4 mm

Humidity: 69%

Dew Point: 7 °C

Wind: 26 km/h

Pressure: 101.57 kPa

Visibility: 20 km

June Climate & Weather Averages in London

High Temp: 24 °C

Low Temp: 13 °C

Mean Temp: 19 °C

Precipitation: 90.2 mm

Humidity: 72%

Dew Point: 13 °C

Wind: 22 km/h

Pressure: 101.45 kPa

Visibility: 20 km

July Climate & Weather Averages in London

High Temp: 27 °C

Low Temp: 15 °C

Mean Temp: 21 °C

Precipitation: 81.2 mm

Humidity: 74%

Dew Point: 16 °C

Wind: 20 km/h

Pressure: 101.51 kPa

Visibility: 20 km

August Climate & Weather Averages in London

High Temp: 26 °C

Low Temp: 14 °C

Mean Temp: 20 °C

Precipitation: 74.3 mm

Humidity: 77%

Dew Point: 16 °C

Wind: 19 km/h

Pressure: 101.65 kPa

Visibility: 19 km

September Climate & Weather Averages in London

High Temp: 22 °C

Low Temp: 11 °C

Mean Temp: 16 °C

Precipitation: 89.9 mm

Humidity: 77%

Dew Point: 12 °C

Wind: 21 km/h

Pressure: 101.77 kPa

Visibility: 20 km

October Climate & Weather Averages in London

High Temp: 15 °C

Low Temp: 5 °C

Mean Temp: 10 °C

Precipitation: 82.7 mm

Humidity: 79%

Dew Point: 6 °C

Wind: 25 km/h

Pressure: 101.72 kPa

Visibility: 20 km

November Climate & Weather Averages in London

High Temp: 7 °C

Low Temp: 0 °C

Mean Temp: 4 °C

Precipitation: 83.0 mm

Humidity: 80%

Dew Point: 0 °C

Wind: 28 km/h

Pressure: 101.81 kPa

Visibility: 18 km

December Climate & Weather Averages in London

High Temp: 1 °C

Low Temp: -5 °C

Mean Temp: -2 °C

Precipitation: 77.8 mm

Humidity: 82%

Dew Point: -4 °C

Wind: 30 km/h

Pressure: 101.77 kPa

Visibility: 15 km

Quick Climate Info

Hottest Month July (21 °C avg)
Coldest Month January (-5 °C avg)
Wettest Month June (90.2 mm avg)
Windiest Month January (31 km/h avg)
Annual precip. 961.0 mm (per year)

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