The highest day temperature in December 2023 was 49°F. The lowest night temperature was 25°F. The average values for day and night temperatures during December were 37.2°F и 35.3°F respectivly.

The average sea surface temperature in December 2023 for Mississauga was 39.1°F. The maximum and minimum values were 37.0°F and 40.6°F respectively.

Most of the days in December are gloomy but you can also expect sunny days.

Precipitation total in December for Mississauga is 1.0 in.

The average wind speed in December is 9.8 mph. It makes December one of the most windy months of the year for Mississauga.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Mississauga in December is 3.1 hours.