December weather forecast and climate
Belleville, Canada

The first month of the winter, December, is also a wintry month in Belleville, Canada, with average temperature ranging between min -4.4°C (24.1°F) and max 0.5°C (32.9°F).

Temperature

In Belleville, the average high-temperature in December drops, from a frosty 6.4°C (43.5°F) in November, to a wintry 0.5°C (32.9°F). In December, the average low-temperature is -4.4°C (24.1°F).

Humidity

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

Rainfall

In Belleville, during 9.8 rainfall days, 52mm (2.05") of precipitation is typically accumulated. Throughout the year, in Belleville, Canada, there are 145 rainfall days, and 595mm (23.43") of precipitation is accumulated.

Snowfall

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

Daylight

The month with the shortest days is December, with an average of 8.9h of daylight.

Sunshine

In Belleville, the average sunshine is 3.6h.

UV index

Months with the lowest UV index in Belleville are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to the UV radiation for the ordinary person.
Note: In December, the average maximum UV index of 1 translate into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in December in Belleville?

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

What is the average humidity in December in Belleville?

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

How many days does it rain in December in Belleville?

In Belleville, Canada, in December, during 9.8 rainfall days, 52mm (2.05") of precipitation is typically accumulated.

How many days does it snow in December in Belleville?

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

What is the snowiest month in Belleville?

The month with the most snowfall in Belleville, Canada, is December when snow falls for 9.5 days and typically aggregates up to 105mm (4.13") of snow.

What is the month with the shortest days in Belleville?

With an average of 8.9h of daylight, December has the shortest days of the year in Belleville, Canada.

What is the average length of the day in December in Belleville?

In December, the average length of the day is 8.9h.

How many hours of sunshine does Belleville have in December?

In Belleville, Canada, the average sunshine in December is 3.6h.

When is the lowest UV index in Belleville?

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

How high is the UV index in December in Belleville?

In Belleville, the average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a low health threat from the exposure to the Sun's UV radiation.
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 humidity in December - Belleville, Canada
  • Average humidity in December: 82%

Months with the highest relative humidity are January and February (85%).
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).
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).
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: 8.9h

The month with the longest days is June (Average daylight: 15.5h).
The month with the shortest days is December (Average daylight: 8.9h).

  • Average sunshine in December: 3.6h

The month with the most sunshine is July (Average sunshine: 10.8h).
The month with the least sunshine is January (Average sunshine: 3.1h).

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).
Months with the lowest UV index are January and December (UV index 1).