December weather forecastCorner Brook, Canada
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Corner Brook, Canada, with an average temperature ranging between min -6.5°C (20.3°F) and max -1.4°C (29.5°F).Temperature
A mild shift in the average high-temperature occurs in December, reducing from a cold 3.5°C (38.3°F) in November to a freezing cold -1.4°C (29.5°F). Corner Brook experiences a steady low-temperature of -6.5°C (20.3°F) throughout December.Humidity
In December, the average relative humidity in Corner Brook is 90%.Rainfall
In Corner Brook, during December, the rain falls for 7.4 days and regularly aggregates up to 74mm (2.91") of precipitation. In Corner Brook, during the entire year, the rain falls for 146.3 days and collects up to 794mm (31.26") of precipitation.Snowfall
Months with snowfall in Corner Brook are January through May, October through December. In Corner Brook, during December, snow falls for 20.3 days and regularly aggregates up to 295mm (11.61") of snow. Throughout the year, there are 126.1 snowfall days, and 1777mm (69.96") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 18min of daylight.On the first day of the month, sunrise is at 7:54 am and sunset at 4:27 pm. On the last day of December, in Corner Brook, sunrise is at 8:15 am and sunset at 4:34 pm NST.
Sunshine
In Corner Brook, Canada, the average sunshine in December is 1.5h.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: A typical high UV index of 1 in December suggests the following recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. To guard against the harmful effects of the Sun, minimize exposure during midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Corner Brook, Canada
- Average high temperature in December: -1.4°C
The warmest months (with the highest average high temperature) are July and August (20.4°C).
The month with the lowest average high temperature is February (-4.5°C).
- Average low temperature in December: -6.5°C
The month with the highest average low temperature is August (10.9°C).
The coldest month (with the lowest average low temperature) is February (-11.7°C).
Average pressure in December
Corner Brook, Canada
- Average pressure in December: 1011mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is January (1008.2mbar).
Average wind speed in December
Corner Brook, Canada
- Average wind speed in December: 14.7km/h
The windiest month (with the highest average wind speed) is January (15.7km/h).
The calmest months (with the lowest average wind speed) are July and August (10.5km/h).
Average humidity in December
Corner Brook, Canada
- Average humidity in December: 90%
The month with the highest relative humidity is February (94%).
The month with the lowest relative humidity is June (79%).
Average rainfall in December
Corner Brook, Canada
- Average rainfall in December: 74mm
The wettest month (with the highest rainfall) is November (97mm).
The driest month (with the least rainfall) is July (52mm).
Average rainfall days in December
Corner Brook, Canada
- Average rainfall days in December: 7.4 days
The month with the highest number of rainy days is October (18.3 days).
The month with the least rainy days is February (3.4 days).
Average snowfall in December
Corner Brook, Canada
- Average snowfall in December: 295mm
The month with the highest snowfall is February (364mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Corner Brook, Canada
- Average snowfall days in December: 20.3 days
The month with the highest number of snowfall days is January (24.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Corner Brook, Canada
- Average daylight in December: 8h and 18min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in December: 1h and 30min
The month with the most sunshine is July (Average sunshine: 7h and 24min).
The month with the least sunshine is January (Average sunshine: 1h and 6min).
Average sunshine days in December
Corner Brook, Canada
- Average sunshine days in December: 6.3 days
The month with the most sunshine days is July (12.8 days).
The month with the least sunshine days is January (3.8 days).
Average UV index in December
Corner Brook, Canada
- Average UV index in December: 1
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in December
Corner Brook, Canada
- Average cloud cover in December: 85
The month with the most cloud cover is January (Cloud cover 89).
The month with the least cloud cover is July (Cloud cover 56).
Average visibility in December
Corner Brook, Canada
- Average visibility in December: 7km
The months with the highest visibility are May, June and October (8km).
The months with the lowest visibility are January, February, March and April (6km).





