December weather forecastRouyn, Canada
December
Weather in December
December, the first month of the winter in Rouyn, is also a subzero cold month, with temperature in the range of an average low of -12.6°C (9.3°F) and an average high of -6.9°C (19.6°F).Temperature
December suggests a modest reduction in the average high-temperature, shifting from a wintry 0.5°C (32.9°F) in November to a subzero cold -6.9°C (19.6°F). Throughout the month of December, Rouyn reports a steady low-temperature average of -12.6°C (9.3°F).Humidity
In December, the average relative humidity is 92%.Rainfall
In December, the rain falls for 4.5 days. Throughout December, 48mm (1.89") of precipitation is accumulated. Throughout the year, in Rouyn, Canada, there are 127.7 rainfall days, and 670mm (26.38") of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall. In December, in Rouyn, it is snowing for 23.9 days. Throughout December, 304mm (11.97") of snow is accumulated. In Rouyn, Canada, during the entire year, snow falls for 141.6 days and aggregates up to 1829mm (72.01") of snow.Daylight
December has the shortest days of the year in Rouyn, with an average of 8h and 24min of daylight.On the first day of the month, sunrise is at 7:46 am and sunset at 4:24 pm. On the last day of December, in Rouyn, sunrise is at 8:06 am and sunset at 4:32 pm EST.
Sunshine
In Rouyn, the average sunshine in December is 1.6h.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 of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The average daily UV index of 1 in December transforms into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Rouyn, Canada
- Average high temperature in December: -6.9°C
The warmest month (with the highest average high temperature) is July (23.7°C).
The month with the lowest average high temperature is January (-10.4°C).
- Average low temperature in December: -12.6°C
The month with the highest average low temperature is July (11.8°C).
The coldest month (with the lowest average low temperature) is January (-18.4°C).
Average pressure in December
Rouyn, Canada
- Average pressure in December: 1017.1mbar
The month with the highest atmospheric pressure is March (1018.9mbar).
The months with the lowest atmospheric pressure are June and July (1012mbar).
Average wind speed in December
Rouyn, Canada
- Average wind speed in December: 11.2km/h
The windiest month (with the highest average wind speed) is November (12.1km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).
Average humidity in December
Rouyn, Canada
- Average humidity in December: 92%
The months with the highest relative humidity are January and February (94%).
The months with the lowest relative humidity are May and June (68%).
Average rainfall in December
Rouyn, Canada
- Average rainfall in December: 48mm
The wettest month (with the highest rainfall) is October (79mm).
The driest month (with the least rainfall) is February (41mm).
Average rainfall days in December
Rouyn, Canada
- Average rainfall days in December: 4.5 days
The month with the highest number of rainy days is August (17.4 days).
The month with the least rainy days is February (1.5 days).
Average snowfall in December
Rouyn, Canada
- Average snowfall in December: 304mm
The month with the highest snowfall is January (323mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in December
Rouyn, Canada
- Average snowfall days in December: 23.9 days
The months with the highest number of snowfall days are January and December (23.9 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Rouyn, Canada
- Average daylight in December: 8h and 24min
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 24min).
- Average sunshine in December: 1h and 36min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The months with the least sunshine are January and February (Average sunshine: 1h and 0min).
Average sunshine days in December
Rouyn, Canada
- Average sunshine days in December: 7.6 days
The month with the most sunshine days is June (13.3 days).
The months with the least sunshine days are February and April (6.8 days).
Average UV index in December
Rouyn, 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
Rouyn, Canada
- Average cloud cover in December: 83
The months with the most cloud cover are January and February (Cloud cover 89).
The month with the least cloud cover is July (Cloud cover 42).
Average visibility in December
Rouyn, Canada
- Average visibility in December: 6km
The months with the highest visibility are May, June and July (9km).
The months with the lowest visibility are January and February (5km).
