December weather forecastCharlottetown, Canada
December
Weather in December
December seizes the mantle of the coldest month of the year in Charlottetown, following the cooling trend set by November. A combination of low temperatures, high snowfall, and reduced daylight hours renders the city a winter wonderland. The holiday spirit is elevated by an increase in snowfall and a decrease in sea temperature. With a rise in the average wind speed, December is the windiest month with gusts reaching up to 33.9km/h (21.1mph). This chilly weather sets the stage for the year-end celebrations in Charlottetown.Temperature
December's onset corresponds with a shift in the average high-temperature, moving from a chilly 6.5°C (43.7°F) in November to a cold 1.5°C (34.7°F). In Charlottetown, December is characterized by an average low-temperature of -2.5°C (27.5°F), indicating a minor drop from daytime highs.Humidity
The average relative humidity in December in Charlottetown is 82%.Rainfall
In December, in Charlottetown, the rain falls for 11.1 days. Throughout December, 73mm (2.87") of precipitation is accumulated. In Charlottetown, during the entire year, the rain falls for 144.1 days and collects up to 715mm (28.15") of precipitation.Snowfall
Months with snowfall in Charlottetown are January through May, November and December. December is the month with the most snowfall. Snow falls for 12.5 days and accumulates 121mm (4.76") of snow.Sea temperature
In Charlottetown, in December, the average water temperature is 3.6°C (38.5°F).Note: When swimming, this is deemed life-endangering and extremely risky. The painful cold water instigates fast-paced hyperventilation. Wearing a specialized swimsuit is necessary to lessen thermal harm.
Daylight
December has the shortest days of the year, with an average of 8h and 42min of daylight.On the first day of the month, sunrise is at 7:35 am and sunset at 4:28 pm. On the last day of December, in Charlottetown, sunrise is at 7:55 am and sunset at 4:36 pm AST.
Sunshine
The average sunshine in December in Charlottetown is 2.7h.UV index
March and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for average individuals.Note: In December, the maximum UV index of 1 translates into these guidelines:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Enhance your sun protection with tightly woven, yet airy clothing. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Charlottetown, Canada
- Average high temperature in December: 1.5°C
The warmest month (with the highest average high temperature) is August (21.6°C).
The month with the lowest average high temperature is February (-3.1°C).
- Average low temperature in December: -2.5°C
The month with the highest average low temperature is August (16.8°C).
The coldest month (with the lowest average low temperature) is February (-8.3°C).
Average pressure in December
Charlottetown, Canada
- Average pressure in December: 1013.7mbar
The month with the highest atmospheric pressure is September (1016.3mbar).
The month with the lowest atmospheric pressure is February (1011.8mbar).
Average wind speed in December
Charlottetown, Canada
- Average wind speed in December: 23.5km/h
The windiest month (with the highest average wind speed) is December (23.5km/h).
The calmest month (with the lowest average wind speed) is July (15.2km/h).
Average humidity in December
Charlottetown, Canada
- Average humidity in December: 82%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are September and October (78%).
Average rainfall in December
Charlottetown, Canada
- Average rainfall in December: 73mm
The wettest month (with the highest rainfall) is November (82mm).
The driest month (with the least rainfall) is March (47mm).
Average rainfall days in December
Charlottetown, Canada
- Average rainfall days in December: 11.1 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is February (5.6 days).
Average snowfall in December
Charlottetown, Canada
- Average snowfall in December: 121mm
The month with the highest snowfall is December (121mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in December
Charlottetown, Canada
- Average snowfall days in December: 12.5 days
The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in December
Charlottetown, Canada
- Average sea temperature in December: 3.6°C
The best month for swimming (with the highest average sea temperature) is August (18.3°C).
The coldest months (with the lowest average sea temperature) are February and March (-1.1°C).
Average daylight in December /
Average sunshine in December
Charlottetown, Canada
- Average daylight in December: 8h and 42min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 2h and 42min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in December
Charlottetown, Canada
- Average sunshine days in December: 7.4 days
The month with the most sunshine days is September (15.4 days).
The month with the least sunshine days is December (7.4 days).
Average UV index in December
Charlottetown, Canada
- Average UV index in December: 1
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are March and December (UV index 1).
Average cloud cover in December
Charlottetown, Canada
- Average cloud cover in December: 73
The months with the most cloud cover are January and December (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Charlottetown, Canada
- Average visibility in December: 8km
The months with the highest visibility are August, September and October (10km).
The months with the lowest visibility are January, February, March and December (8km).
