December weather forecastCardston, Canada
December
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.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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).
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).
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).
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).
Average daylight in December /
Average sunshine in December
Cardston, Canada
- Average daylight in December: 8h and 18min
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 6min
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).
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).
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).
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).
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).





