December weather forecastWestlock, Canada

December

Weather in December

December, the first month of the winter in Westlock, is still a freezing cold month, with temperature in the range of an average low of -13.6°C (7.5°F) and an average high of -7.3°C (18.9°F).

Temperature

With average high temperatures of -7.3°C (18.9°F) and lows of -13.6°C (7.5°F), December is the coldest month.

Humidity

In December, the average relative humidity is 89%.

Rainfall

In Westlock, in December, it is raining for 2.7 days, with typically 9mm (0.35") of accumulated precipitation. Throughout the year, there are 108 rainfall days, and 338mm (13.31") of precipitation is accumulated.

Snowfall

January through June, September through December are months with snowfall. In Westlock, during December, snow falls for 11.2 days and regularly aggregates up to 70mm (2.76") of snow. Throughout the year, there are 72.7 snowfall days, and 539mm (21.22") of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 7h and 30min of daylight.
On the first day of the month, sunrise is at 8:32 am and sunset at 4:16 pm. On the last day of December, sunrise is at 8:55 am and sunset at 4:22 pm MST.

Sunshine

The average sunshine in December in Westlock is 4.4h.

UV index

In Westlock, Canada, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum high UV index of 2 in December translates into the following recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.

Frequently asked questions

Westlock, Canada, reaches its average lowest temperatures in December, measuring -7.3°C (18.9°F) at the peak and -13.6°C (7.5°F) at the lowest.

The average high-temperature, in December, in Westlock, is -7.3°C (18.9°F), while the average low-temperature is -13.6°C (7.5°F).

In December, the average relative humidity in Westlock is 89%.

In Westlock, Canada, in December, it is raining for 2.7 days, with typically 9mm (0.35") of accumulated precipitation.

In Westlock, in December, snow falls for 11.2 days, with typically accumulated 70mm (2.76") of snow.

With an average of 7h and 30min of daylight, December has the shortest days of the year in Westlock.

In Westlock, the average day length in December is 7h and 27min.

On the first day of December, sunrise is at 8:32 am and sunset at 4:16 pm. On the last day of the month, sunrise is at 8:55 am and sunset at 4:22 pm MST.

In December, the average sunshine duration is 4.4h.

The average daily maximum UV index in December in Westlock, Canada, 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
Westlock, Canada

  • Average high temperature in December: -7.3°C

The warmest month (with the highest average high temperature) is July (22.6°C).
The month with the lowest average high temperature is December (-7.3°C).

  • Average low temperature in December: -13.6°C

The month with the highest average low temperature is July (11.3°C).
The coldest month (with the lowest average low temperature) is February (-15.1°C).

Average pressure in December
Westlock, Canada

  • Average pressure in December: 1018.7mbar

The month with the highest atmospheric pressure is February (1020.1mbar).
The month with the lowest atmospheric pressure is June (1010.2mbar).

Average wind speed in December
Westlock, Canada

  • Average wind speed in December: 11.8km/h

The windiest month (with the highest average wind speed) is April (13.1km/h).
The calmest month (with the lowest average wind speed) is August (10.8km/h).

Average humidity in December
Westlock, Canada

  • Average humidity in December: 89%

The month with the highest relative humidity is March (92%).
The month with the lowest relative humidity is May (60%).

Average rainfall in December
Westlock, Canada

  • Average rainfall in December: 9mm

The wettest month (with the highest rainfall) is June (74mm).
The driest month (with the least rainfall) is February (8mm).

Average rainfall days in December
Westlock, Canada

  • Average rainfall days in December: 2.7 days

The month with the highest number of rainy days is June (18.9 days).
The month with the least rainy days is February (1.6 days).

Average snowfall in December
Westlock, Canada

  • Average snowfall in December: 70mm

The month with the highest snowfall is November (90mm).
The months with the least snowfall are July and August (0mm).

Average snowfall days in December
Westlock, Canada

  • Average snowfall days in December: 11.2 days

The month with the highest number of snowfall days is March (13.2 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in December /
Average sunshine in December
Westlock, Canada

  • Average daylight in December: 7h and 30min

The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 30min).

  • Average sunshine in December: 4h and 24min

The month with the most sunshine is June (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).

Average sunshine days in December
Westlock, Canada

  • Average sunshine days in December: 20.5 days

The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is June (8.8 days).

Average UV index in December
Westlock, Canada

  • Average UV index in December: 2

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February and March (UV index 1).

Average cloud cover in December
Westlock, Canada

  • Average cloud cover in December: 56

The month with the most cloud cover is March (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in December
Westlock, Canada

  • Average visibility in December: 8km

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