December weather forecast
Kingston, Canada

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Weather in December

December in Kingston signals the full onset of winter. The city turns into a winter wonderland, covered in a blanket of snow, with average depths touching 139mm (5.47"). The month's weather patterns show a stark contrast to its preceding mild autumn months. December's festive spirit is further augmented by the beautiful snow-clad landscapes. As the New Year approaches, Kingston braces itself for more snowfall and colder days, marking the start of another weather cycle.

Temperature

Kingston's progression into December involves a drop in the average high-temperature, receding from a chilly 6.4°C (43.5°F) in November to an icy 0.3°C (32.5°F). Kingston's nighttime temperatures in December settle close to daytime highs at an average of -3.7°C (25.3°F).

Humidity

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

Rainfall

In Kingston, in December, it is raining for 12.9 days, with typically 76mm (2.99") of accumulated precipitation. In Kingston, during the entire year, the rain falls for 170.3 days and collects up to 830mm (32.68") of precipitation.

Snowfall

Months with snowfall in Kingston are January through May, October through December. In Kingston, in December, during 13.3 snowfall days, 139mm (5.47") of snow is typically accumulated. Throughout the year, in Kingston, Canada, there are 67.5 snowfall days, and 649mm (25.55") of snow is accumulated.

Sea temperature

In Kingston, the average seawater temperature in December is 5.3°C (41.5°F).
Note: It is advised against swimming in 5.3°C (41.5°F) when it drops below 10°C (50°F). Such temperatures can cause extreme cold shock, leading to hyperventilation.

Daylight

The month with the shortest days is December, with an average of 8h and 54min of daylight.
On the first day of the month, sunrise is at 7:22 am and sunset at 4:28 pm. On the last day of December, sunrise is at 7:41 am and sunset at 4:37 pm EST.

Sunshine

In Kingston, the average sunshine in December is 3.4h.

UV index

January, February and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: A daily high UV index of 1 in December leads to these guidelines:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.

Frequently asked questions

How cold is it in Kingston in December?

December temperatures in Kingston, Canada, vary between a high-temperature of 0.3°C (32.5°F) and a low-temperature of -3.7°C (25.3°F).

What is the average humidity in December in Kingston?

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

How many days does it rain in December in Kingston?

In Kingston, Canada, in December, during 12.9 rainfall days, 76mm (2.99") of precipitation is typically accumulated.

How many days does it snow in December in Kingston?

In Kingston, in December, during 13.3 snowfall days, 139mm (5.47") of snow is typically accumulated.

What is the sea water temperature in December in Kingston?

In December, the average sea temperature is 5.3°C (41.5°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

What is the month with the shortest days in Kingston?

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

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

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

When are sunrise and sunset in December in Kingston?

On the first day of December in Kingston, Canada, sunrise is at 7:22 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 4:37 pm EST.

How many hours of sunshine does Kingston have in December?

The average sunshine duration in December in Kingston, Canada, is 3.4h.

What is the month with the lowest UV index in Kingston?

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

What is the UV index reading in December in Kingston?

In December, the average daily maximum UV index is 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to Sun's UV rays.

Average temperature in December
Kingston, Canada

Average temperature in December - Kingston, Canada
  • Average high temperature in December: 0.3°C

The warmest month (with the highest average high temperature) is July (24.1°C).
The month with the lowest average high temperature is January (-3.2°C).

  • Average low temperature in December: -3.7°C

The month with the highest average low temperature is July (17.7°C).
The coldest month (with the lowest average low temperature) is January (-8.4°C).

Average pressure in December
Kingston, Canada

Average pressure in December - Kingston, Canada
  • Average pressure in December: 1017.4mbar

The month with the highest atmospheric pressure is November (1018.2mbar).
The month with the lowest atmospheric pressure is June (1012.8mbar).

Average wind speed in December
Kingston, Canada

Average wind speed in December - Kingston, Canada
  • Average wind speed in December: 19.4km/h

The windiest month (with the highest average wind speed) is January (19.5km/h).
The calmest month (with the lowest average wind speed) is July (12.7km/h).

Average humidity in December
Kingston, Canada

Average humidity in December - Kingston, 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, August, September and November (76%).

Average rainfall in December
Kingston, Canada

Average rainfall in December - Kingston, Canada
  • Average rainfall in December: 76mm

The wettest month (with the highest rainfall) is October (92mm).
The driest month (with the least rainfall) is September (53mm).

Average rainfall days in December
Kingston, Canada

Average rainfall days in December - Kingston, Canada
  • Average rainfall days in December: 12.9 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (7.2 days).

Average snowfall in December
Kingston, Canada

Average snowfall in December - Kingston, Canada
  • Average snowfall in December: 139mm

The month with the highest snowfall is February (164mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Kingston, Canada

Average snowfall days in December - Kingston, Canada
  • Average snowfall days in December: 13.3 days

The month with the highest number of snowfall days is January (17.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average sea temperature in December
Kingston, Canada

Average sea temperature in December - Kingston, Canada
  • Average sea temperature in December: 5.3°C

The best month for swimming (with the highest average sea temperature) is August (21.2°C).
The coldest month (with the lowest average sea temperature) is March (2°C).

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

Average daylight in December / Average sunshine in December - Kingston, Canada
  • Average daylight in December: 8h and 5min

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 2min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and February (Average sunshine: 3h and 6min).

Average sunshine days in December
Kingston, Canada

Average sunshine days in December - Kingston, Canada
  • Average sunshine days in December: 8.5 days

The month with the most sunshine days is September (14.8 days).
The month with the least sunshine days is January (7.9 days).

Average UV index in December
Kingston, Canada

Average UV index in December - Kingston, 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, February and December (UV index 1).

Average cloud cover in December
Kingston, Canada

Average cloud cover in December - Kingston, Canada
  • Average cloud cover in December: 65

The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in December
Kingston, Canada

Average visibility in December - Kingston, Canada
  • Average visibility in December: 9km

The months with the highest visibility are June, July, August, September and October (10km).
The months with the lowest visibility are January and February (8km).

Kingston, Canada

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