December weather forecastMatachewan, Canada
December
Weather in December
December, the first month of the winter in Matachewan, is still a freezing cold month, with an average temperature varying between -6.1°C (21°F) and -12.1°C (10.2°F).Temperature
The arrival of December indicates a decrease in the average high-temperature, moving from a wintry 1.2°C (34.2°F) in November to a subzero cold -6.1°C (21°F). Nighttime temperatures in Matachewan consistently average a frigid cold -12.1°C (10.2°F) during December.Humidity
The average relative humidity in December in Matachewan, Canada, is 92%.Rainfall
In Matachewan, Canada, in December, during 6.3 rainfall days, 45mm (1.77") of precipitation is typically accumulated. Throughout the year, in Matachewan, there are 125.3 rainfall days, and 618mm (24.33") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. In December, it is snowing for 23.5 days. Throughout December, 261mm (10.28") of snow is accumulated. In Matachewan, during the entire year, snow falls for 135.2 days and aggregates up to 1546mm (60.87") of snow.Daylight
The month with the shortest days in Matachewan is December, with an average of 8h and 30min of daylight.On the first day of the month, sunrise is at 7:51 am and sunset at 4:31 pm. On the last day of December, in Matachewan, sunrise is at 8:12 am and sunset at 4:39 pm EST.
Sunshine
The average sunshine in December in Matachewan is 2h.UV index
January through March, October through December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 1 during December translates into the following directions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Matachewan, Canada
- Average high temperature in December: -6.1°C
The warmest month (with the highest average high temperature) is July (24.6°C).
The month with the lowest average high temperature is January (-9.7°C).
- Average low temperature in December: -12.1°C
The month with the highest average low temperature is July (12.4°C).
The coldest month (with the lowest average low temperature) is January (-17.9°C).
Average pressure in December
Matachewan, Canada
- Average pressure in December: 1017.2mbar
The month with the highest atmospheric pressure is March (1018.9mbar).
The month with the lowest atmospheric pressure is June (1012.2mbar).
Average wind speed in December
Matachewan, Canada
- Average wind speed in December: 10.7km/h
The windiest month (with the highest average wind speed) is November (11.5km/h).
The calmest month (with the lowest average wind speed) is June (9.6km/h).
Average humidity in December
Matachewan, Canada
- Average humidity in December: 92%
The months with the highest relative humidity are January and February (94%).
The month with the lowest relative humidity is May (68%).
Average rainfall in December
Matachewan, Canada
- Average rainfall in December: 45mm
The wettest month (with the highest rainfall) is April (73mm).
The driest month (with the least rainfall) is February (40mm).
Average rainfall days in December
Matachewan, Canada
- Average rainfall days in December: 6.3 days
The month with the highest number of rainy days is August (16.3 days).
The month with the least rainy days is February (2.1 days).
Average snowfall in December
Matachewan, Canada
- Average snowfall in December: 261mm
The month with the highest snowfall is January (296mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in December
Matachewan, Canada
- Average snowfall days in December: 23.5 days
The month with the highest number of snowfall days is January (24.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Matachewan, Canada
- Average daylight in December: 8h and 30min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in December: 2h and 0min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The months with the least sunshine are January and February (Average sunshine: 1h and 18min).
Average sunshine days in December
Matachewan, Canada
- Average sunshine days in December: 7.4 days
The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is February (6.3 days).
Average UV index in December
Matachewan, Canada
- Average UV index in December: 1
The months with the highest UV index are June and 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
Matachewan, Canada
- Average cloud cover in December: 80
The months with the most cloud cover are January and February (Cloud cover 85).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in December
Matachewan, Canada
- Average visibility in December: 7km
The months with the highest visibility are May, June and July (9km).
The months with the lowest visibility are January and February (5km).





