December weather forecastBelleville, Canada

December

Weather in December

The first month of the winter, December, is still a cold month in Belleville, Canada, with temperature in the range of an average high of 0.5°C (32.9°F) and an average low of -4.4°C (24.1°F).

Temperature

As December arrives, Belleville's weather displays a decrease in high-temperatures, transitioning from November's frosty 6.4°C (43.5°F) to an icy 0.5°C (32.9°F). Nights in December cool down in Belleville, Canada, indicating a minor disparity from daytime highs with an average low-temperature of -4.4°C (24.1°F).

Humidity

The average relative humidity in December in Belleville is 82%.

Rainfall

In Belleville, Canada, during December, the rain falls for 9.8 days and regularly aggregates up to 52mm (2.05") of precipitation. In Belleville, during the entire year, the rain falls for 145 days and collects up to 595mm (23.43") of precipitation.

Snowfall

January through April, October through December are months with snowfall in Belleville. December is the month with the most snowfall in Belleville. Snow falls for 9.5 days and accumulates 105mm (4.13") of snow.

Daylight

With an average of 8h and 54min of daylight, December has the shortest days of the year in Belleville.
On the first day of the month, sunrise is at 7:25 am and sunset at 4:32 pm. On the last day of December, sunrise is at 7:44 am and sunset at 4:41 pm EST.

Sunshine

The average sunshine in December is 3.6h.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Belleville. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 1 during December translates into the following guidance:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.

Frequently asked questions

In December, in Belleville, the average high-temperature is 0.5°C (32.9°F), and the average low-temperature is -4.4°C (24.1°F).

In Belleville, the average relative humidity in December is 82%.

In Belleville, Canada, during December, the rain falls for 9.8 days and regularly aggregates up to 52mm (2.05") of precipitation.

December is the month with the most snowfall in Belleville, Canada. Snow falls for 9.5 days and accumulates 105mm (4.13") of snow.

In December, in Belleville, Canada, it is snowing for 9.5 days. Throughout December, 105mm (4.13") of snow is accumulated.

December has the shortest days of the year in Belleville, with an average of 8h and 54min of daylight.

In Belleville, the average day length in December is 8h and 56min.

On the first day of December, sunrise is at 7:25 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 4:41 pm EST.

The average sunshine duration in December in Belleville, Canada, is 3.6h.

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Belleville.

In Belleville, the average daily maximum UV index in December is 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability 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
Belleville, Canada

  • Average high temperature in December: 0.5°C

The warmest month (with the highest average high temperature) is July (25.5°C).
The month with the lowest average high temperature is January (-3°C).

  • Average low temperature in December: -4.4°C

The month with the highest average low temperature is July (16.8°C).
The coldest month (with the lowest average low temperature) is January (-9°C).

Average pressure in December
Belleville, Canada

  • Average pressure in December: 1017.4mbar

The months with the highest atmospheric pressure are March and November (1018.1mbar).
The month with the lowest atmospheric pressure is June (1012.8mbar).

Average wind speed in December
Belleville, Canada

  • Average wind speed in December: 15.8km/h

The windiest month (with the highest average wind speed) is January (16.4km/h).
The calmest month (with the lowest average wind speed) is July (11.1km/h).

Average humidity in December
Belleville, Canada

  • Average humidity in December: 82%

The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, May, July, August and September (75%).

Average rainfall in December
Belleville, Canada

  • Average rainfall in December: 52mm

The wettest month (with the highest rainfall) is October (76mm).
The driest month (with the least rainfall) is February (36mm).

Average rainfall days in December
Belleville, Canada

  • Average rainfall days in December: 9.8 days

The month with the highest number of rainy days is August (16.2 days).
The month with the least rainy days is February (5.8 days).

Average snowfall in December
Belleville, Canada

  • Average snowfall in December: 105mm

The month with the highest snowfall is December (105mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in December
Belleville, Canada

  • Average snowfall days in December: 9.5 days

The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in December: 8h and 54min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in December: 3h and 36min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).

Average sunshine days in December
Belleville, Canada

  • Average sunshine days in December: 14.5 days

The month with the most sunshine days is March (15.9 days).
The month with the least sunshine days is August (12.9 days).

Average UV index in December
Belleville, Canada

  • Average UV index in December: 1

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in December
Belleville, Canada

  • Average cloud cover in December: 63

The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in December
Belleville, Canada

  • Average visibility in December: 9km

The months with the highest visibility are July, August and September (10km).
The months with the lowest visibility are January, February, March, April, May, June, October, November and December (9km).