December weather forecast
Dease Lake, Canada

December

Weather in December

The first month of the winter, December, is also a frigid cold month in Dease Lake, Canada, with an average temperature fluctuating between -16.1°C (3°F) and -10.5°C (13.1°F).

Temperature

In Dease Lake, December records the lowest average temperatures, peaking at -10.5°C (13.1°F) and reaching a low of -16.1°C (3°F).

Humidity

In December, the average relative humidity is 91%.

Rainfall

In Dease Lake, in December, during 5.2 rainfall days, 13mm (0.51") of precipitation is typically accumulated. Throughout the year, there are 115.5 rainfall days, and 264mm (10.39") of precipitation is accumulated.

Snowfall

January through May, August through December are months with snowfall in Dease Lake. In Dease Lake, in December, snow falls for 15.2 days, with typically accumulated 102mm (4.02") of snow. Throughout the year, in Dease Lake, there are 111.9 snowfall days, and 855mm (33.66") of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 6h and 24min of daylight.
On the first day of December, sunrise is at 9:05 am and sunset at 3:53 pm. On the last day of the month, sunrise is at 9:30 am and sunset at 3:56 pm PST.

Sunshine

December has the least sunshine of the year in Dease Lake, with an average of 3.2h of sunshine.

UV index

In Dease Lake, Canada, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: An average maximum UV index of 2 in December leads to these recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.

Frequently asked questions

What is the coldest time of year in Dease Lake?
December is the month when Dease Lake, Canada, experiences its coldest temperatures, averaging a high of -10.5°C (13.1°F) and a low of -16.1°C (3°F).
How cold is December in Dease Lake?
During December, Dease Lake experiences an average high-temperature of -10.5°C (13.1°F) and a low-temperature of -16.1°C (3°F).
What is the average humidity in December in Dease Lake?
In December, the average relative humidity is 91%.
How much does it rain in Dease Lake in December?
In Dease Lake, Canada, during December, the rain falls for 5.2 days and regularly aggregates up to 13mm (0.51") of precipitation.
How many days does it snow in December in Dease Lake?
In Dease Lake, Canada, in December, snow falls for 15.2 days, with typically accumulated 102mm (4.02") of snow.
What is the month with the shortest days in Dease Lake?
With an average of 6h and 24min of daylight, December has the shortest days of the year in Dease Lake.
How many hours of daylight does Dease Lake have in December?
In Dease Lake, the average day length in December is 6h and 26min.
When are sunrise and sunset in December in Dease Lake?
In December, on the first day of the month, sunrise is at 9:05 am and sunset at 3:53 pm. On the last day of the month, in Dease Lake, Canada, sunrise is at 9:30 am and sunset at 3:56 pm PST.
What is the month with the least sunshine in Dease Lake?
December has the least sunshine of the year in Dease Lake, with an average of 3.2h of sunshine.
How long on average sun shines in December in Dease Lake?
In December, the average sunshine duration in Dease Lake, Canada, is 3.2h.
What is the UV index intensity in December in Dease Lake?
In December, the average daily maximum UV index in Dease Lake is 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December
Dease Lake, Canada
  • Average high temperature in December: -10.5°C

The warmest month (with the highest average high temperature) is July (16.4°C).
The month with the lowest average high temperature is December (-10.5°C).

  • Average low temperature in December: -16.1°C

The month with the highest average low temperature is July (5.3°C).
The coldest month (with the lowest average low temperature) is February (-17.3°C).

Average pressure in December
Dease Lake, Canada
  • Average pressure in December: 1016.3mbar

The month with the highest atmospheric pressure is February (1018mbar).
The month with the lowest atmospheric pressure is June (1012.7mbar).

Average wind speed in December
Dease Lake, Canada
  • Average wind speed in December: 9.1km/h

The windiest months (with the highest average wind speed) are January and June (10.3km/h).
The calmest month (with the lowest average wind speed) is February (8.8km/h).

Average humidity in December
Dease Lake, Canada
  • Average humidity in December: 91%

The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is June (62%).

Average rainfall in December
Dease Lake, Canada
  • Average rainfall in December: 13mm

The wettest month (with the highest rainfall) is August (40mm).
The driest month (with the least rainfall) is February (9mm).

Average rainfall days in December
Dease Lake, Canada
  • Average rainfall days in December: 5.2 days

The month with the highest number of rainy days is August (15.3 days).
The month with the least rainy days is February (3.2 days).

Average snowfall in December
Dease Lake, Canada
  • Average snowfall in December: 102mm

The month with the highest snowfall is November (195mm).
The months with the least snowfall are June and July (0mm).

Average snowfall days in December
Dease Lake, Canada
  • Average snowfall days in December: 15.2 days

The month with the highest number of snowfall days is November (17.9 days).
The months with the least snowfall days are June and July (0 days).

Average daylight in December /
Average sunshine in December
Dease Lake, Canada
  • Average daylight in December: 6h and 2min

The month with the longest days is June (Average daylight: 18h and 18min).
The month with the shortest days is December (Average daylight: 6h and 24min).

  • Average sunshine in December: 3h and 1min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).

Average sunshine days in December
Dease Lake, Canada
  • Average sunshine days in December: 16.1 days

The months with the most sunshine days are May and December (16.1 days).
The month with the least sunshine days is April (12.2 days).

Average UV index in December
Dease Lake, Canada
  • Average UV index in December: 2

The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, March and November (UV index 1).

Average cloud cover in December
Dease Lake, Canada
  • Average cloud cover in December: 53

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is May (Cloud cover 38).

Average visibility in December
Dease Lake, Canada
  • Average visibility in December: 7km

The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March and December (7km).

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