Oshawa Weather in December

What's the weather like in Oshawa (Ontario) in December 2024?

The climate in Oshawa during December can be summarized as cold and reasonably dry.

December is in the winter in Oshawa and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a freezing 0°C (32°F), whilst at night -7°C (19°F) is normal.

Oshawa weather averages (imperial / metric)
Daytime temperature 0.1°C 32.2°F
Nightly temperature -7.3°C 18.9°F
Average temperature -3.6°C 25.5°F
Daily sunshine 2.4 hrs
Avg rainfall 75 mm 2.9 ins
Rainy days 12 days
Sea temperature 5.3°C 41.6°F
Humidity 81%
Windspeed 18kph 11 mph

On average December is the 5th wettest month of the year in Oshawa with around 75mm 2.9 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.

On the flip side this corresponds to an average of 2.4 hours of sunshine per day.

December temperatures in Oshawa

Oshawa average temperature in December

December rainfall

Oshawa average rain in December

December hourly sunshine

Oshawa average rain in December

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Oshawa in December 2024.

Other monthly averages

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UV index Best time to go?

Oshawa weather stats

Oshawa weather statistics
Hottest month: July 25.6°C 78.1°F
Driest month: February 48mm 1.9ins
Sunniest month: July 9.8hrs
Coldest month: January -3°C 26.6°F
Wettest month: August 83mm 3.3ins
Map showing location of Oshawa (43.90012, -78.84957) Oshawa map pin © Google

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