December weather forecastSept-Iles, Canada
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Sept-Iles, Canada, with an average temperature fluctuating between -5.3°C (22.5°F) and -10.1°C (13.8°F).Temperature
The commencement of December indicates a shift in the average high-temperature, receding from November's cold 1.1°C (34°F) to a freezing cold -5.3°C (22.5°F). During December, Sept-Iles's nights hold steady with an average temperature of -10.1°C (13.8°F), barely dropping from the daytime highs.Humidity
The average relative humidity in December is 83%.Rainfall
In December, in Sept-Iles, Canada, the rain falls for 7.5 days. Throughout December, 68mm (2.68") of precipitation is accumulated. Throughout the year, there are 134.1 rainfall days, and 738mm (29.06") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Sept-Iles. In Sept-Iles, during December, snow falls for 16.5 days and regularly aggregates up to 198mm (7.8") of snow. Throughout the year, in Sept-Iles, Canada, there are 100.8 snowfall days, and 1325mm (52.17") of snow is accumulated.Sea temperature
The months with the coldest seawater in Sept-Iles are January through March and December, with an average sea temperature of 0°C (32°F).Note: In water-based activities like swimming, this poses significant life risks. The cold water results in agonizing discomfort and quick hyperventilation. A specialized swimsuit is crucial to reduce the potential thermal damage.
Daylight
December has the shortest days of the year in Sept-Iles, Canada, with an average of 8h and 6min of daylight.On the first day of the month, sunrise is at 7:03 am and sunset at 3:25 pm. On the last day of December, sunrise is at 7:24 am and sunset at 3:32 pm EST.
Sunshine
The average sunshine in December is 3.7h.UV index
February and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: The average daily UV index of 1 in December transforms into the following instructions:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sept-Iles, Canada
- Average high temperature in December: -5.3°C
The warmest month (with the highest average high temperature) is July (18.2°C).
The month with the lowest average high temperature is January (-9°C).
- Average low temperature in December: -10.1°C
The month with the highest average low temperature is August (13°C).
The coldest month (with the lowest average low temperature) is January (-15°C).
Average pressure in December
Sept-Iles, Canada
- Average pressure in December: 1014.3mbar
The month with the highest atmospheric pressure is March (1015.3mbar).
The month with the lowest atmospheric pressure is July (1010.5mbar).
Average wind speed in December
Sept-Iles, Canada
- Average wind speed in December: 19.1km/h
The windiest month (with the highest average wind speed) is December (19.1km/h).
The calmest month (with the lowest average wind speed) is August (13.4km/h).
Average humidity in December
Sept-Iles, Canada
- Average humidity in December: 83%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is June (75%).
Average rainfall in December
Sept-Iles, Canada
- Average rainfall in December: 68mm
The wettest month (with the highest rainfall) is November (82mm).
The driest month (with the least rainfall) is February (43mm).
Average rainfall days in December
Sept-Iles, Canada
- Average rainfall days in December: 7.5 days
The month with the highest number of rainy days is May (15.5 days).
The month with the least rainy days is February (4.7 days).
Average snowfall in December
Sept-Iles, Canada
- Average snowfall in December: 198mm
The month with the highest snowfall is January (264mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Sept-Iles, Canada
- Average snowfall days in December: 16.5 days
The month with the highest number of snowfall days is February (19.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in December
Sept-Iles, Canada
- Average sea temperature in December: 0°C
The best month for swimming (with the highest average sea temperature) is August (13°C).
The coldest months (with the lowest average sea temperature) are January, February, March and December (0°C).
Average daylight in December /
Average sunshine in December
Sept-Iles, Canada
- Average daylight in December: 8h and 6min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in December: 3h and 42min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The months with the least sunshine are January and February (Average sunshine: 3h and 36min).
Average sunshine days in December
Sept-Iles, Canada
- Average sunshine days in December: 10.3 days
The month with the most sunshine days is September (16.3 days).
The month with the least sunshine days is February (8.1 days).
Average UV index in December
Sept-Iles, 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 February and December (UV index 1).
Average cloud cover in December
Sept-Iles, Canada
- Average cloud cover in December: 61
The months with the most cloud cover are January and February (Cloud cover 62).
The month with the least cloud cover is July (Cloud cover 40).
Average visibility in December
Sept-Iles, Canada
- Average visibility in December: 8km
The months with the highest visibility are May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January, February, March, April and December (8km).





