December weather forecastDéline, Canada
December
Weather in December
The first month of the winter, December, is still a polar cold month in Déline, Canada, with an average temperature fluctuating between -18.8°C (-1.8°F) and -24°C (-11.2°F).Temperature
The arrival of December corresponds with a temperature reduction, down from November's extreme cold -13°C (8.6°F) to a polar cold -18.8°C (-1.8°F). An average low-temperature of -24°C (-11.2°F) is recorded during the nights in December in Déline, Canada.Humidity
The months with the highest humidity in Déline are January, February and December, with an average relative humidity of 96%.Rainfall
In December, in Déline, the rain falls for 1 days. Throughout December, 9mm (0.35") of precipitation is accumulated. Throughout the year, in Déline, there are 59.1 rainfall days, and 185mm (7.28") of precipitation is accumulated.Snowfall
January through May, August through December are months with snowfall. In Déline, during December, snow falls for 17.4 days and regularly aggregates up to 77mm (3.03") of snow. In Déline, during the entire year, snow falls for 118.5 days and aggregates up to 664mm (26.14") of snow.Daylight
The month with the shortest days is December, with an average of 3h and 48min of daylight.On the first day of December, sunrise is at 10:49 am and sunset at 3:16 pm. On the last day of the month, sunrise is at 11:23 am and sunset at 3:10 pm MST.
Sunshine
The month with the least sunshine in Déline is December, with an average of 1.3h of sunshine.UV index
January through April, September through December, with an average maximum UV index of 1, are months with the lowest UV index in Déline. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The average daily UV index of 1 in December transforms into the following instructions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Boost your sun resistance with garments that are densely woven yet spacious. 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
Déline, Canada
- Average high temperature in December: -18.8°C
The warmest month (with the highest average high temperature) is July (19.9°C).
The month with the lowest average high temperature is January (-20.2°C).
- Average low temperature in December: -24°C
The month with the highest average low temperature is July (10.8°C).
The coldest month (with the lowest average low temperature) is January (-26.1°C).
Average pressure in December
Déline, Canada
- Average pressure in December: 1018.1mbar
The months with the highest atmospheric pressure are January and February (1019.9mbar).
The month with the lowest atmospheric pressure is August (1010.4mbar).
Average wind speed in December
Déline, Canada
- Average wind speed in December: 11.4km/h
The windiest month (with the highest average wind speed) is May (12.3km/h).
The calmest month (with the lowest average wind speed) is March (10.9km/h).
Average humidity in December
Déline, Canada
- Average humidity in December: 96%
The months with the highest relative humidity are January, February and December (96%).
The month with the lowest relative humidity is June (51%).
Average rainfall in December
Déline, Canada
- Average rainfall in December: 9mm
The wettest months (with the highest rainfall) are July and August (29mm).
The driest months (with the least rainfall) are February and March (7mm).
Average rainfall days in December
Déline, Canada
- Average rainfall days in December: 1 days
The month with the highest number of rainy days is July (12 days).
The month with the least rainy days is February (0.5 days).
Average snowfall in December
Déline, Canada
- Average snowfall in December: 77mm
The month with the highest snowfall is November (123mm).
The months with the least snowfall are June and July (0mm).
Average snowfall days in December
Déline, Canada
- Average snowfall days in December: 17.4 days
The month with the highest number of snowfall days is December (17.4 days).
The months with the least snowfall days are June and July (0 days).
Average daylight in December /
Average sunshine in December
Déline, Canada
- Average daylight in December: 3h and 48min
The month with the longest days is June (Average daylight: 21h and 54min).
The month with the shortest days is December (Average daylight: 3h and 48min).
- Average sunshine in December: 1h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 1h and 18min).
Average sunshine days in December
Déline, Canada
- Average sunshine days in December: 15.9 days
The month with the most sunshine days is June (21.3 days).
The month with the least sunshine days is October (14.5 days).
Average UV index in December
Déline, Canada
- Average UV index in December: 1
The months with the highest UV index are May, June and July (UV index 4).
The months with the lowest UV index are January, February, March, April, September, October, November and December (UV index 1).
Average cloud cover in December
Déline, Canada
- Average cloud cover in December: 77
The month with the most cloud cover is December (Cloud cover 77).
The month with the least cloud cover is June (Cloud cover 35).
Average visibility in December
Déline, Canada
- Average visibility in December: 5km
The months with the highest visibility are June and July (10km).
The months with the lowest visibility are January, February and December (5km).





