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Climate & Weather Averages in Newmarket, Ontario, Canada

Currently: 15 °C. Clear. (Weather station: Toronto Pearson International Airport, Canada). See more current weather

Annual Weather Averages Near Newmarket

Averages are for Toronto Buttonville, which is 23 kilometers from Newmarket.

Based on weather reports collected during 1992–2021.

All Year Climate & Weather Averages in Newmarket

High Temp: 27 °C

Low Temp: -9 °C

Mean Temp: 8 °C

Precipitation: 69.4 mm

Humidity: 72%

Dew Point: 3 °C

Wind: 23 km/h

Pressure: 101.63 kPa

Visibility: 19 km

January Climate & Weather Averages in Newmarket

High Temp: -1 °C

Low Temp: -9 °C

Mean Temp: -5 °C

Precipitation: 62.7 mm

Humidity: 75%

Dew Point: -9 °C

Wind: 26 km/h

Pressure: 101.71 kPa

Visibility: 16 km

February Climate & Weather Averages in Newmarket

High Temp: -1 °C

Low Temp: -9 °C

Mean Temp: -5 °C

Precipitation: 53.5 mm

Humidity: 72%

Dew Point: -9 °C

Wind: 27 km/h

Pressure: 101.73 kPa

Visibility: 17 km

March Climate & Weather Averages in Newmarket

High Temp: 4 °C

Low Temp: -5 °C

Mean Temp: 0 °C

Precipitation: 52.3 mm

Humidity: 68%

Dew Point: -6 °C

Wind: 27 km/h

Pressure: 101.76 kPa

Visibility: 18 km

April Climate & Weather Averages in Newmarket

High Temp: 12 °C

Low Temp: 1 °C

Mean Temp: 6 °C

Precipitation: 80.1 mm

Humidity: 64%

Dew Point: -1 °C

Wind: 27 km/h

Pressure: 101.52 kPa

Visibility: 19 km

May Climate & Weather Averages in Newmarket

High Temp: 19 °C

Low Temp: 7 °C

Mean Temp: 13 °C

Precipitation: 72.8 mm

Humidity: 65%

Dew Point: 6 °C

Wind: 23 km/h

Pressure: 101.54 kPa

Visibility: 20 km

June Climate & Weather Averages in Newmarket

High Temp: 24 °C

Low Temp: 13 °C

Mean Temp: 19 °C

Precipitation: 83.3 mm

Humidity: 68%

Dew Point: 12 °C

Wind: 21 km/h

Pressure: 101.40 kPa

Visibility: 19 km

July Climate & Weather Averages in Newmarket

High Temp: 27 °C

Low Temp: 16 °C

Mean Temp: 21 °C

Precipitation: 81.0 mm

Humidity: 69%

Dew Point: 15 °C

Wind: 20 km/h

Pressure: 101.43 kPa

Visibility: 19 km

August Climate & Weather Averages in Newmarket

High Temp: 26 °C

Low Temp: 15 °C

Mean Temp: 21 °C

Precipitation: 68.8 mm

Humidity: 72%

Dew Point: 15 °C

Wind: 19 km/h

Pressure: 101.58 kPa

Visibility: 20 km

September Climate & Weather Averages in Newmarket

High Temp: 22 °C

Low Temp: 11 °C

Mean Temp: 17 °C

Precipitation: 77.2 mm

Humidity: 74%

Dew Point: 12 °C

Wind: 20 km/h

Pressure: 101.73 kPa

Visibility: 20 km

October Climate & Weather Averages in Newmarket

High Temp: 14 °C

Low Temp: 5 °C

Mean Temp: 10 °C

Precipitation: 70.0 mm

Humidity: 77%

Dew Point: 6 °C

Wind: 22 km/h

Pressure: 101.68 kPa

Visibility: 20 km

November Climate & Weather Averages in Newmarket

High Temp: 7 °C

Low Temp: 0 °C

Mean Temp: 4 °C

Precipitation: 71.2 mm

Humidity: 77%

Dew Point: 0 °C

Wind: 24 km/h

Pressure: 101.76 kPa

Visibility: 18 km

December Climate & Weather Averages in Newmarket

High Temp: 2 °C

Low Temp: -5 °C

Mean Temp: -2 °C

Precipitation: 60.7 mm

Humidity: 78%

Dew Point: -5 °C

Wind: 26 km/h

Pressure: 101.72 kPa

Visibility: 17 km

Quick Climate Info

Hottest Month July (21 °C avg)
Coldest Month January (-5 °C avg)
Wettest Month June (83.3 mm avg)
Windiest Month March (27 km/h avg)
Annual precip. 833.4 mm (per year)

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