December weather forecast
Cardston, Canada

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Weather in December

December, the first month of the winter in Cardston, is still a freezing cold month, with temperature in the range of an average high of -3.5°C (25.7°F) and an average low of -9.9°C (14.2°F).

Temperature

December, with an average high of -3.5°C (25.7°F) and a low of -9.9°C (14.2°F), signifies the coldest month of the year.

Humidity

January and December, with an average relative humidity of 81%, are the most humid months in Cardston.

Rainfall

In Cardston, in December, it is raining for 2.2 days, with typically 8mm (0.31") of accumulated precipitation. In Cardston, Canada, during the entire year, the rain falls for 79.6 days and collects up to 292mm (11.5") of precipitation.

Snowfall

January through June, September through December are months with snowfall. In Cardston, during December, snow falls for 7.5 days and regularly aggregates up to 53mm (2.09") of snow. In Cardston, during the entire year, snow falls for 55.8 days and aggregates up to 822mm (32.36") of snow.

Daylight

December has the shortest days of the year, with an average of 8h and 18min of daylight.
On the first day of December, sunrise is at 8:07 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 8:27 am and sunset at 4:45 pm MST.

Sunshine

In December, the average sunshine is 6.1h.

UV index

January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.
Note: A daily high UV index of 2 in December leads to these guidelines:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Around midday, solar radiation is most harmful; hence, exposure should be limited. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
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Frequently asked questions

What is the coldest month in Cardston?

With average high temperatures of -3.5°C (25.7°F) and lows of -9.9°C (14.2°F), December is the coldest month.

How cold is December in Cardston?

An average high-temperature, in December, in Cardston, is -3.5°C (25.7°F) and the average low-temperature is -9.9°C (14.2°F).

What is the most humid month in Cardston?

January and December, with an average relative humidity of 81%, are most humid months in Cardston, Canada.

What is the average humidity in December in Cardston?

In Cardston, Canada, the average relative humidity in December is 81%.

How many days does it rain in December in Cardston?

In December, in Cardston, the rain falls for 2.2 days. Throughout December, 8mm (0.31") of precipitation is accumulated.

How many days does it snow in December in Cardston?

In Cardston, in December, during 7.5 snowfall days, 53mm (2.09") of snow is typically accumulated.

What is the month with the shortest days in Cardston?

The month with the shortest days in Cardston is December, with an average of 8h and 18min of daylight.

What is the average length of the day in December in Cardston?

In December, the average day length in Cardston, Canada, is 8h and 17min.

When is the sunrise / sunset in December in Cardston?

In December, on the first day of the month, sunrise is at 8:07 am and sunset at 4:37 pm. On the last day of the month, in Cardston, Canada, sunrise is at 8:27 am and sunset at 4:45 pm MST.

How many hours of sunshine does Cardston have in December?

In Cardston, the average sunshine duration in December is 6.1h.

What are the months with the lowest UV index in Cardston?

January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index.

How high is the UV index in December in Cardston?

In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Cardston, Canada

Average temperature in December - Cardston, Canada
  • Average high temperature in December: -3.5°C

The warmest months (with the highest average high temperature) are July and August (24°C).
The month with the lowest average high temperature is December (-3.5°C).

  • Average low temperature in December: -9.9°C

The month with the highest average low temperature is August (9.5°C).
The coldest month (with the lowest average low temperature) is December (-9.9°C).

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Average pressure in December
Cardston, Canada

Average pressure in December - Cardston, Canada
  • Average pressure in December: 1020.1mbar

The month with the highest atmospheric pressure is January (1020.4mbar).
The month with the lowest atmospheric pressure is June (1011.8mbar).

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Average wind speed in December
Cardston, Canada

Average wind speed in December - Cardston, Canada
  • Average wind speed in December: 15.5km/h

The windiest month (with the highest average wind speed) is January (16.7km/h).
The calmest month (with the lowest average wind speed) is August (11.2km/h).

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Average humidity in December
Cardston, Canada

Average humidity in December - Cardston, Canada
  • Average humidity in December: 81%

The months with the highest relative humidity are January and December (81%).
The month with the lowest relative humidity is August (52%).

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Average rainfall in December
Cardston, Canada

Average rainfall in December - Cardston, Canada
  • Average rainfall in December: 8mm

The wettest month (with the highest rainfall) is June (63mm).
The driest month (with the least rainfall) is January (5mm).

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Average rainfall days in December
Cardston, Canada

Average rainfall days in December - Cardston, Canada
  • Average rainfall days in December: 2.2 days

The months with the highest number of rainy days are May and June (14 days).
The months with the least rainy days are January and February (1.8 days).

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Average snowfall in December
Cardston, Canada

Average snowfall in December - Cardston, Canada
  • Average snowfall in December: 53mm

The month with the highest snowfall is April (166mm).
The months with the least snowfall are July and August (0mm).

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Average snowfall days in December
Cardston, Canada

Average snowfall days in December - Cardston, Canada
  • Average snowfall days in December: 7.5 days

The month with the highest number of snowfall days is March (9.2 days).
The months with the least snowfall days are July and August (0 days).

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

Average daylight in December / Average sunshine in December - Cardston, Canada
  • Average daylight in December: 8h and 2min

The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 18min).

  • Average sunshine in December: 6h and 1min

The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).

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Average sunshine days in December
Cardston, Canada

Average sunshine days in December - Cardston, Canada
  • Average sunshine days in December: 23.2 days

The month with the most sunshine days is January (24.4 days).
The month with the least sunshine days is June (12.5 days).

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Average UV index in December
Cardston, Canada

Average UV index in December - Cardston, 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, March, April, October, November and December (UV index 2).

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Average cloud cover in December
Cardston, Canada

Average cloud cover in December - Cardston, Canada
  • Average cloud cover in December: 36

The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 18).

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Average visibility in December
Cardston, Canada

Average visibility in December - Cardston, Canada
  • Average visibility in December: 9km

The months with the highest visibility are July and August (10km).
The months with the lowest visibility are January, February, March, April, May, June, September, October, November and December (9km).

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Cardston, Canada

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