December weather forecastEastmain, Canada

December

Weather in December

December, the first month of the winter in Eastmain, is also a subzero cold month, with an average temperature varying between -13.5°C (7.7°F) and -8.7°C (16.3°F).

Temperature

The start of December signals a clear decrease in the average high-temperature, falling from a subzero cold -0.2°C (31.6°F) in November to a still freezing cold -8.7°C (16.3°F). Eastmain, during the nights of December, averages a temperature close to its daytime high, at an extreme cold -13.5°C (7.7°F).

Humidity

The average relative humidity in December in Eastmain is 91%.

Rainfall

In December, the rain falls for 3.2 days. Throughout December, 43mm (1.69") of precipitation is accumulated. In Eastmain, during the entire year, the rain falls for 122 days and collects up to 592mm (23.31") of precipitation.

Snowfall

Months with snowfall are January through June, September through December. The month with the most snowfall in Eastmain is December, when snow falls for 23.7 days and typically aggregates up to 246mm (9.69") of snow.

Daylight

December has the shortest days of the year in Eastmain, with an average of 7h and 48min of daylight.
On the first day of December in Eastmain, sunrise is at 8:01 am and sunset at 4:04 pm. On the last day of the month, sunrise is at 8:23 am and sunset at 4:11 pm EST.

Sunshine

In December, the average sunshine is 1.7h.

UV index

January through March, October through December, with an average maximum UV index of 1, are months with the lowest UV index in Eastmain, Canada. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.
Note: An average UV index of 1 in December transforms into this advice:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.

Frequently asked questions

December temperatures in Eastmain vary between a high-temperature of -8.7°C (16.3°F) and a low-temperature of -13.5°C (7.7°F).

In December, the average relative humidity is 91%.

In Eastmain, during December, the rain falls for 3.2 days and regularly aggregates up to 43mm (1.69") of precipitation.

The month with the most snowfall is December, when snow falls for 23.7 days and typically aggregates up to 246mm (9.69") of snow.

In Eastmain, Canada, in December, during 23.7 snowfall days, 246mm (9.69") of snow is typically accumulated.

The month with the shortest days in Eastmain, Canada, is December, with an average of 7h and 48min of daylight.

In December, the average day length is 7h and 48min.

On the first day of December in Eastmain, sunrise is at 8:01 am and sunset at 4:04 pm. On the last day of the month, sunrise is at 8:23 am and sunset at 4:11 pm EST.

The average sunshine duration in December in Eastmain, Canada, is 1.7h.

January through March, October through December, with an average maximum UV index of 1, are months with the lowest UV index in Eastmain.

In Eastmain, Canada, the average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents a low health threat from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Eastmain, Canada

  • Average high temperature in December: -8.7°C

The warmest month (with the highest average high temperature) is August (16.5°C).
The month with the lowest average high temperature is January (-13.8°C).

  • Average low temperature in December: -13.5°C

The month with the highest average low temperature is August (9.3°C).
The coldest month (with the lowest average low temperature) is January (-19.9°C).

Average pressure in December
Eastmain, Canada

  • Average pressure in December: 1015.5mbar

The month with the highest atmospheric pressure is March (1018.7mbar).
The month with the lowest atmospheric pressure is July (1009.8mbar).

Average wind speed in December
Eastmain, Canada

  • Average wind speed in December: 16.2km/h

The windiest month (with the highest average wind speed) is November (18.3km/h).
The calmest months (with the lowest average wind speed) are June, July and August (13.1km/h).

Average humidity in December
Eastmain, Canada

  • Average humidity in December: 91%

The months with the highest relative humidity are January and February (94%).
The month with the lowest relative humidity is June (70%).

Average rainfall in December
Eastmain, Canada

  • Average rainfall in December: 43mm

The wettest month (with the highest rainfall) is October (72mm).
The driest month (with the least rainfall) is February (29mm).

Average rainfall days in December
Eastmain, Canada

  • Average rainfall days in December: 3.2 days

The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is February (1.3 days).

Average snowfall in December
Eastmain, Canada

  • Average snowfall in December: 246mm

The month with the highest snowfall is December (246mm).
The months with the least snowfall are July and August (0mm).

Average snowfall days in December
Eastmain, Canada

  • Average snowfall days in December: 23.7 days

The month with the highest number of snowfall days is January (24.3 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in December /
Average sunshine in December
Eastmain, Canada

  • Average daylight in December: 7h and 48min

The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).

  • Average sunshine in December: 1h and 42min

The month with the most sunshine is June (Average sunshine: 9h and 6min).
The month with the least sunshine is January (Average sunshine: 1h and 6min).

Average sunshine days in December
Eastmain, Canada

  • Average sunshine days in December: 6.4 days

The month with the most sunshine days is June (15.2 days).
The month with the least sunshine days is November (4.2 days).

Average UV index in December
Eastmain, Canada

  • Average UV index in December: 1

The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).

Average cloud cover in December
Eastmain, Canada

  • Average cloud cover in December: 83

The months with the most cloud cover are January and February (Cloud cover 90).
The month with the least cloud cover is June (Cloud cover 39).

Average visibility in December
Eastmain, Canada

  • Average visibility in December: 7km

The months with the highest visibility are May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (6km).