December weather forecastWhitehorse, Canada
December
Weather in December
Whitehorse, Canada, is in the throes of winter with December being the second coldest month of the year. The city succumbs to chilling temperatures, the maximum being just a bit lesser than January's at -11.2°C (11.8°F). The city gets wrapped into a snowy duvet with 100mm (3.94") of snowfall, lessening towards the end of the month. The short daylight duration of 5.8 hours means ample star-gazing opportunities on clear nights. Amid the cold and testy conditions, Whitehorse, under the snow, transforms into a winter wonderland, sparking the festive Christmas spirit.Temperature
December is marked by a subtle drop in average high-temperatures, transitioning from a freezing cold -7.5°C (18.5°F) in November to a frigid cold -11.2°C (11.8°F). During December, Whitehorse experiences an average low-temperature of -16.9°C (1.6°F) at night.Humidity
In Whitehorse, the average relative humidity in December is 93%.Rainfall
In December, in Whitehorse, Canada, the rain falls for 6.3 days. Throughout December, 13mm (0.51") of precipitation is accumulated. Throughout the year, there are 125.2 rainfall days, and 255mm (10.04") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, August through December. In Whitehorse, in December, during 18.1 snowfall days, 100mm (3.94") of snow is typically accumulated. Throughout the year, there are 120.3 snowfall days, and 768mm (30.24") of snow is accumulated.Daylight
With an average of 5h and 48min of daylight, December has the shortest days of the year in Whitehorse.On the first day of the month, sunrise is at 9:43 am and sunset at 3:56 pm. On the last day of December, sunrise is at 10:09 am and sunset at 3:58 pm PST.
Sunshine
The average sunshine in December is 3h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: During December, 1 as the daily maximum UV index converts into the following advice:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. The Sun's radiation is especially intense around midday; try to stay in shade during this period. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Whitehorse, Canada
- Average high temperature in December: -11.2°C
The warmest month (with the highest average high temperature) is July (17.8°C).
The month with the lowest average high temperature is January (-11.3°C).
- Average low temperature in December: -16.9°C
The month with the highest average low temperature is July (6.7°C).
The coldest month (with the lowest average low temperature) is January (-17.5°C).
Average pressure in December
Whitehorse, Canada
- Average pressure in December: 1013.6mbar
The month with the highest atmospheric pressure is February (1016.6mbar).
The month with the lowest atmospheric pressure is September (1010.7mbar).
Average wind speed in December
Whitehorse, Canada
- Average wind speed in December: 9km/h
The windiest month (with the highest average wind speed) is September (9.9km/h).
The calmest month (with the lowest average wind speed) is February (8.6km/h).
Average humidity in December
Whitehorse, Canada
- Average humidity in December: 93%
The month with the highest relative humidity is January (95%).
The month with the lowest relative humidity is June (58%).
Average rainfall in December
Whitehorse, Canada
- Average rainfall in December: 13mm
The wettest month (with the highest rainfall) is August (39mm).
The driest month (with the least rainfall) is February (12mm).
Average rainfall days in December
Whitehorse, Canada
- Average rainfall days in December: 6.3 days
The month with the highest number of rainy days is August (16.1 days).
The month with the least rainy days is January (5.7 days).
Average snowfall in December
Whitehorse, Canada
- Average snowfall in December: 100mm
The month with the highest snowfall is January (148mm).
The months with the least snowfall are June and July (0mm).
Average snowfall days in December
Whitehorse, Canada
- Average snowfall days in December: 18.1 days
The month with the highest number of snowfall days is November (19.6 days).
The months with the least snowfall days are June and July (0 days).
Average daylight in December /
Average sunshine in December
Whitehorse, Canada
- Average daylight in December: 5h and 48min
The month with the longest days is June (Average daylight: 19h and 0min).
The month with the shortest days is December (Average daylight: 5h and 48min).
- Average sunshine in December: 3h and 0min
The month with the most sunshine is May (Average sunshine: 12h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in December
Whitehorse, Canada
- Average sunshine days in December: 13.9 days
The month with the most sunshine days is May (15.8 days).
The month with the least sunshine days is November (10.5 days).
Average UV index in December
Whitehorse, Canada
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in December
Whitehorse, Canada
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is May (Cloud cover 35).
Average visibility in December
Whitehorse, Canada
- Average visibility in December: 6km
The months with the highest visibility are May, June and July (10km).
The months with the lowest visibility are January, February, March and December (6km).
