The highest day temperature in December 2025 was 47°F. The lowest night temperature was 5°F. The average values for day and night temperatures during December were 25.7°F и 22.1°F respectivly.

The average sea surface temperature in December 2025 for Prince Edward Island was 34.4°F. The maximum and minimum values were 30.8°F and 40.0°F respectively.

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

Precipitation total in December for Prince Edward Island is 1.5 in. It makes december one of the most rainy months of the year.

The average wind speed in December is 15.0 mph. It makes December one of the most windy months of the year for Prince Edward Island.

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 Prince Edward Island in December is 2.9 hours.