December weather forecastMount Pearl, Canada
December
Weather in December
The first month of the winter, December, is still a cold month in Mount Pearl, Canada, with an average temperature ranging between min -1.4°C (29.5°F) and max 2.1°C (35.8°F).Temperature
In Mount Pearl, the average high-temperature in December gently drops from a chilly 6.5°C (43.7°F) in November to an icy 2.1°C (35.8°F). Mount Pearl's nighttime temperature in December shows a minor descent, with a steady average of -1.4°C (29.5°F).Humidity
The months with the lowest humidity are September through December, with an average relative humidity of 82%.Rainfall
In Mount Pearl, during December, the rain falls for 12.6 days and regularly aggregates up to 89mm (3.5") of precipitation. Throughout the year, in Mount Pearl, there are 160.6 rainfall days, and 791mm (31.14") of precipitation is accumulated.Snowfall
Months with snowfall in Mount Pearl are January through May, November and December. In December, in Mount Pearl, it is snowing for 10.1 days. Throughout December, 95mm (3.74") of snow is accumulated. In Mount Pearl, during the entire year, snow falls for 53.6 days and aggregates up to 441mm (17.36") of snow.Daylight
The month with the shortest days is December, with an average of 8h and 30min of daylight.On the first day of December in Mount Pearl, sunrise is at 7:28 am and sunset at 4:12 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 4:20 pm NST.
Sunshine
In December, the average sunshine in Mount Pearl, Canada, is 3.2h.UV index
January through April, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In December, a daily maximum UV index of 1 leads to the following instructions:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mount Pearl, Canada
- Average high temperature in December: 2.1°C
The warmest month (with the highest average high temperature) is August (18°C).
The month with the lowest average high temperature is February (-0.8°C).
- Average low temperature in December: -1.4°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is February (-4.8°C).
Average pressure in December
Mount Pearl, Canada
- Average pressure in December: 1011.1mbar
The month with the highest atmospheric pressure is September (1015.6mbar).
The month with the lowest atmospheric pressure is February (1008.4mbar).
Average wind speed in December
Mount Pearl, Canada
- Average wind speed in December: 29.3km/h
The windiest month (with the highest average wind speed) is February (30.5km/h).
The calmest month (with the lowest average wind speed) is June (19.9km/h).
Average humidity in December
Mount Pearl, Canada
- Average humidity in December: 82%
The months with the highest relative humidity are June and July (86%).
The months with the lowest relative humidity are September, October, November and December (82%).
Average rainfall in December
Mount Pearl, Canada
- Average rainfall in December: 89mm
The wettest month (with the highest rainfall) is January (91mm).
The driest month (with the least rainfall) is August (47mm).
Average rainfall days in December
Mount Pearl, Canada
- Average rainfall days in December: 12.6 days
The month with the highest number of rainy days is October (17.1 days).
The month with the least rainy days is February (8 days).
Average snowfall in December
Mount Pearl, Canada
- Average snowfall in December: 95mm
The month with the highest snowfall is January (110mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in December
Mount Pearl, Canada
- Average snowfall days in December: 10.1 days
The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mount Pearl, Canada
- Average daylight in December: 8h and 30min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in December: 3h and 12min
The month with the most sunshine is August (Average sunshine: 8h and 6min).
The month with the least sunshine is February (Average sunshine: 2h and 54min).
Average sunshine days in December
Mount Pearl, Canada
- Average sunshine days in December: 8.2 days
The month with the most sunshine days is August (13.7 days).
The month with the least sunshine days is February (6.8 days).
Average UV index in December
Mount Pearl, Canada
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, April, November and December (UV index 1).
Average cloud cover in December
Mount Pearl, Canada
- Average cloud cover in December: 67
The months with the most cloud cover are January and February (Cloud cover 70).
The months with the least cloud cover are August and September (Cloud cover 47).
Average visibility in December
Mount Pearl, Canada
- Average visibility in December: 8km
The months with the highest visibility are April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January, February, March and December (8km).
