December weather forecastAlert, Canada
December
Weather in December
The first month of the winter, December, is also a dangerously cold month in Alert, Canada, with an average temperature ranging between max -24.5°C (-12.1°F) and min -29.3°C (-20.7°F).Temperature
Alert's weather, upon December's arrival, documents an average high-temperature of a still life-threatening cold -24.5°C (-12.1°F), nearly identical to the prior month. Alert notes a steady average temperature of -29.3°C (-20.7°F) during the nights of December.Humidity
In December, the average relative humidity is 90%.Rainfall
In Alert, in December, during 0.6 rainfall days, 4mm (0.16") of precipitation is typically accumulated. In Alert, during the entire year, the rain falls for 20.4 days and collects up to 65mm (2.56") of precipitation.Snowfall
Months with snowfall in Alert are January through December. In Alert, in December, snow falls for 10.3 days, with typically accumulated 26mm (1.02") of snow. In Alert, Canada, during the entire year, snow falls for 99.4 days and aggregates up to 383mm (15.08") of snow.Daylight
The months with the shortest days are January, May through August, November and December, with an average of 0h and 0min of daylight.Sunshine
The average sunshine in December in Alert, Canada, is 0.5h.UV index
April through July and December, with an average maximum UV index of 2, are months with the highest UV index in Alert. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. 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
Alert, Canada
- Average high temperature in December: -24.5°C
The warmest month (with the highest average high temperature) is July (4.3°C).
The month with the lowest average high temperature is February (-27.9°C).
- Average low temperature in December: -29.3°C
The month with the highest average low temperature is July (1.8°C).
The coldest month (with the lowest average low temperature) is February (-32.8°C).
Average pressure in December
Alert, Canada
- Average pressure in December: 1014mbar
The month with the highest atmospheric pressure is May (1019.6mbar).
The month with the lowest atmospheric pressure is September (1009.9mbar).
Average wind speed in December
Alert, Canada
- Average wind speed in December: 10.2km/h
The windiest months (with the highest average wind speed) are January and August (11.2km/h).
The calmest month (with the lowest average wind speed) is April (8.7km/h).
Average humidity in December
Alert, Canada
- Average humidity in December: 90%
The months with the highest relative humidity are January, February and March (92%).
The months with the lowest relative humidity are July and August (79%).
Average rainfall in December
Alert, Canada
- Average rainfall in December: 4mm
The wettest month (with the highest rainfall) is August (11mm).
The driest month (with the least rainfall) is April (2mm).
Average rainfall days in December
Alert, Canada
- Average rainfall days in December: 0.6 days
The month with the highest number of rainy days is July (4.6 days).
The months with the least rainy days are February and November (0.3 days).
Average snowfall in December
Alert, Canada
- Average snowfall in December: 26mm
The month with the highest snowfall is September (72mm).
The month with the least snowfall is July (9mm).
Average snowfall days in December
Alert, Canada
- Average snowfall days in December: 10.3 days
The month with the highest number of snowfall days is October (12.5 days).
The month with the least snowfall days is July (1.8 days).
Average daylight in December /
Average sunshine in December
Alert, Canada
- Average daylight in December: 0h and 0min
The month with the longest days is September (Average daylight: 13h and 12min).
The months with the shortest days are January, May, June, July, August, November and December (Average daylight: 0h and 0min).
- Average sunshine in December: 0h and 30min
The month with the most sunshine is September (Average sunshine: 6h and 30min).
The month with the least sunshine is August (Average sunshine: 0h and 0min).
Average sunshine days in December
Alert, Canada
- Average sunshine days in December: 22.5 days
The month with the most sunshine days is April (25.8 days).
The month with the least sunshine days is October (19.7 days).
Average UV index in December
Alert, Canada
- Average UV index in December: 2
The months with the highest UV index are April, May, June, July and December (UV index 2).
The months with the lowest UV index are January, February, March, August, September, October and November (UV index 1).
Average cloud cover in December
Alert, Canada
- Average cloud cover in December: 64
The months with the most cloud cover are January and March (Cloud cover 65).
The month with the least cloud cover is July (Cloud cover 40).
Average visibility in December
Alert, Canada
- Average visibility in December: 7km
The months with the highest visibility are June and July (10km).
The months with the lowest visibility are January, February and March (6km).
