December weather forecastGander, Canada
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Gander, Canada, with an average temperature fluctuating between -0.4°C (31.3°F) and -5°C (23°F).Temperature
The decrease of average high-temperatures is mild in December, with a decline from a wintry 5°C (41°F) in November to a subzero cold -0.4°C (31.3°F). In Gander, the nighttime temperature shows a slight difference from the daytime high, averaging to -5°C (23°F) during December.Humidity
In Gander, Canada, the average relative humidity in December is 87%.Rainfall
In Gander, Canada, during December, the rain falls for 9.5 days and regularly aggregates up to 68mm (2.68") of precipitation. Throughout the year, there are 154.8 rainfall days, and 785mm (30.91") of precipitation is accumulated.Snowfall
January through June, October through December are months with snowfall in Gander, Canada. In Gander, in December, snow falls for 17.6 days, with typically accumulated 250mm (9.84") of snow. Throughout the year, there are 106.5 snowfall days, and 1460mm (57.48") of snow is accumulated.Daylight
With an average of 8h and 18min of daylight, December has the shortest days of the year in Gander, Canada.On the first day of the month, sunrise is at 7:41 am and sunset at 4:13 pm. On the last day of December, in Gander, Canada, sunrise is at 8:02 am and sunset at 4:21 pm NST.
Sunshine
In Gander, Canada, the average sunshine in December is 2.8h.UV index
January through March, 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: The maximum daily UV index of 1 in December interprets into the following recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Gander, Canada
- Average high temperature in December: -0.4°C
The warmest month (with the highest average high temperature) is July (21.9°C).
The months with the lowest average high temperature are January and February (-2.8°C).
- Average low temperature in December: -5°C
The month with the highest average low temperature is August (11.9°C).
The coldest month (with the lowest average low temperature) is February (-10.4°C).
Average pressure in December
Gander, Canada
- Average pressure in December: 1010.6mbar
The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is February (1007.7mbar).
Average wind speed in December
Gander, Canada
- Average wind speed in December: 15.5km/h
The windiest month (with the highest average wind speed) is February (16.1km/h).
The calmest month (with the lowest average wind speed) is August (12.4km/h).
Average humidity in December
Gander, Canada
- Average humidity in December: 87%
The months with the highest relative humidity are January and March (92%).
The months with the lowest relative humidity are June and July (79%).
Average rainfall in December
Gander, Canada
- Average rainfall in December: 68mm
The wettest month (with the highest rainfall) is November (87mm).
The driest month (with the least rainfall) is April (52mm).
Average rainfall days in December
Gander, Canada
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is August (18.7 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in December
Gander, Canada
- Average snowfall in December: 250mm
The month with the highest snowfall is January (262mm).
The months with the least snowfall are July, August and September (0mm).
Average snowfall days in December
Gander, Canada
- Average snowfall days in December: 17.6 days
The month with the highest number of snowfall days is January (19.6 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Gander, Canada
- Average daylight in December: 8h and 18min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in December: 2h and 48min
The months with the most sunshine are July and August (Average sunshine: 7h and 12min).
The month with the least sunshine is February (Average sunshine: 2h and 30min).
Average sunshine days in December
Gander, Canada
- Average sunshine days in December: 8.6 days
The month with the most sunshine days is September (11.3 days).
The month with the least sunshine days is March (7.7 days).
Average UV index in December
Gander, Canada
- Average UV index in December: 1
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in December
Gander, Canada
- Average cloud cover in December: 70
The month with the most cloud cover is March (Cloud cover 75).
The month with the least cloud cover is September (Cloud cover 53).
Average visibility in December
Gander, Canada
- Average visibility in December: 8km
The month with the highest visibility is September (9km).
The months with the lowest visibility are January, February, March and April (7km).





