Weather in Ontario, Canada in December

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Visiting Ontario, Canada in December

The weather in December is significantly cooler than the previous month and temperatures continue to drop into January. December has average maximum temperatures of -1°C (29°F) which is too cold for sunbathing. The sunshine percentage is 23.7% making it extremely gloomy and overcast with little sunshine. There are 2.0 hours of sunshine per day. It is not a good time for sunbathing in Ontario.

December has total rainfall of 1.6cm (0.6inches) making it extremely dry with very few light showers and most days are rain free. There are just 4.9 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days and rainy days are few and far between.

Sea temperatures are a cold 5°C (41°F). December is too cold for swimming in Ontario for any length of time, unless you have a wetsuit. The sea temperature in December is marginally cooler than the previous month and temperatures continue to drop slightly into January.

Consider visiting Ontario in the months of June, July, August, September, for the best beach weather. Also consider one of our other suggestions for December.

Can you sunbathe in Ontario in December?

No, December is not a good time for sunbathing in Ontario.

December has average maximum temperatures of -1°C (29°F) which is too cold for sunbathing. The sunshine percentage is 23.7% making it extremely gloomy and overcast with little sunshine. There are 2.0 hours of sunshine per day. December has total rainfall of 1.6cm (0.6inches) making it extremely dry with very few light showers and most days are rain free. There are just 4.9 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days and rainy days are few and far between.

More about December temperature and sunshine.

Can you swim in Ontario in December?

No, December is too cold for swimming in Ontario for any length of time, with the sea water at 5°C (41°F), unless you have a wetsuit.

More about December sea temperatures.

Is December a good time to holiday in Ontario?

No, December is not a good time for a holiday in Ontario.

December has average maximum temperatures of -1°C (29°F) which is too cold for sunbathing. The sunshine percentage is 23.7% making it extremely gloomy and overcast with little sunshine. There are 2.0 hours of sunshine per day. December has total rainfall of 1.6cm (0.6inches) making it extremely dry with very few light showers and most days are rain free. There are just 4.9 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days and rainy days are few and far between. It is not a good time for sunbathing in Ontario. Sea temperatures are a cold 5°C (41°F). December is too cold for swimming in Ontario for any length of time, unless you have a wetsuit.

More about the December temperatures and sunshine.

Is Ontario warm in December?

No, Ontario is too cold for sunbathing in December.

The average maximum temperature in Ontario in December is -1°C (29°F). The average maximum temperature is 4°C (39°) in the previous month and -5°C (23°F) in the next month.

The average temperature in Ontario in December is -5°C (24°F). The average temperature is 2°C (35°F) in the previous month and -9°C (16°F) in the next month.

More info about the December temperatures and sunshine.

How sunny is Ontario in December?

The average day light hours per day in Ontario in December are 8.7. The sunshine percentage is 23.7% making it extremely gloomy and overcast with little sunshine. There are 2.0 hours of sunshine per day.

More about December sunshine.

Temperature in Ontario in December

The weather in December is significantly cooler than the previous month and temperatures continue to drop into January. The average maximum temperature in Ontario in December is -1°C (29°F). The average maximum temperature is 4°C (39°F) in the previous month and -5°C (23°F) in the next month.

The average temperature in Ontario in December is -5°C (24°F). The average temperature is 2°C (35°F) in the previous month and -9°C (16°F) in the next month.

The average minimum temperature in Ontario in December is -8°C (18°F). The minimum temperature is -1°C (31°F) in the previous month and -13°C (9°F) in the next month.

Sunshine in Ontario in December

The days in December are slightly shorter than the previous month. December has slightly less hours of sunshine than the previous month. During December the average day light hours are 8.7 per day in Ontario. The sunshine percentage is 23.7% making it extremely gloomy and overcast with little sunshine. There are 2.0 hours of sunshine per day.

The ultraviolet index in Ontario in December is typically 1.1 during December. An ultraviolet index reading of 0 to 2 indicates low danger from the sun's UV rays for the average person. Most people will be able to spend several hours in the sun with out a problem, however unprotected skin risks burning in less than 1 hour. Wear sunglasses on bright days. Only those that burn easily will need to apply sunscreen. Watch out for relections from water that may increase ultraviolet exposure.

Sea Temperature in Ontario in December

The average sea water temperature in Ontario in December is 5°C (41°F) which is extremely cold and not suitable for swimming. Taking a dip at this temperature would risk hypothermia. The sea temperature in December is marginally cooler than the previous month and temperatures continue to drop slightly into January.

Rainfall in Ontario in December

December weather is slightly drier than the previous month. December has a few more days of rain than the previous month. The average total rainfall in Ontario in December is 1.6cm (0.6inches) and on average there are 4.9 rainy days in December making it a very dry time to visit the beach.

Humidity in Ontario in December

The maximum dew point (an indicator of humidity) in Ontario in December is -4°C (26°F) which is a bit dry for some. The dew point is 2°C (35°F) in the previous month and -8°C (-8°F) in the next month.

The average maximum relative humidity in Ontario in December is typically 91.8%. The maximum relative humidity is 89.6% in the previous month and 88.7% in the next month.

The average relative humidity in Ontario in December is typically 81%. The average relative humidity is 77.5% in the previous month and 77.5% in the next month.

Wind Speed in Ontario in December

The average maximum wind speed in Ontario in December is typically 34KM/H (21MPH). The average maximum wind speed is 34KM/H (21MPH) in the previous month and 34KM/H (21MPH) in the next month.

The average wind speed in Ontario in December is typically 22KM/H (14MPH). The average wind speed is 21KM/H (13MPH) in the previous month and 22KM/H (14MPH) in the next month.

The average wind direction in Ontario in December is from the South West.

Monthly Averages

Suggested Beaches in December

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Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.

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Need Inspiration?

Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.