December weather forecast
Port Hawkesbury, Canada

December

Weather in December

The first month of the winter, December, is also a wintry month in Port Hawkesbury, Canada, with temperature in the range of an average high of 1°C (33.8°F) and an average low of -3.6°C (25.5°F).

Temperature

The arrival of December corresponds with a temperature reduction, down from November's frosty 6.1°C (43°F) to an icy 1°C (33.8°F). Port Hawkesbury in December experiences a minor decline in temperature, with an average low of -3.6°C (25.5°F) at night.

Humidity

In Port Hawkesbury, the average relative humidity in December is 87%.

Rainfall

In Port Hawkesbury, during December, the rain falls for 13.2 days and regularly aggregates up to 105mm (4.13") of precipitation. In Port Hawkesbury, Canada, during the entire year, the rain falls for 178.5 days and collects up to 988mm (38.9") of precipitation.

Snowfall

January through May, October through December are months with snowfall in Port Hawkesbury, Canada. In Port Hawkesbury, in December, during 18.2 snowfall days, 216mm (8.5") of snow is typically accumulated. In Port Hawkesbury, during the entire year, snow falls for 100.1 days and aggregates up to 1159mm (45.63") of snow.

Sea temperature

In Port Hawkesbury, in December, the average water temperature is 4.8°C (40.6°F).
Note: During swimming, this state is an instant threat to life. Breathing is uncontrollable, and coherent thought processes nearly vanish. A specialized swimsuit is crucial to minimize thermal dissipation.

Daylight

With an average of 8h and 48min of daylight, December has the shortest days of the year in Port Hawkesbury.
On the first day of December in Port Hawkesbury, sunrise is at 7:26 am and sunset at 4:23 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 4:31 pm AST.

Sunshine

The months with the least sunshine in Port Hawkesbury are January, February and December, with an average of 2.5h of sunshine.

UV index

January, March 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 hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, a daily UV index of 1 turns into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Stay sun-safe with clothing that is both closely woven and worn loosely. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.

Frequently asked questions

How cold is it in Port Hawkesbury in December?
In December, the average high-temperature and low-temperature are 1°C (33.8°F) and -3.6°C (25.5°F) respectively.
What is the average humidity in December in Port Hawkesbury?
The average relative humidity in December is 87%.
How much does it rain in Port Hawkesbury in December?
In Port Hawkesbury, Canada, during December, the rain falls for 13.2 days and regularly aggregates up to 105mm (4.13") of precipitation.
How much does it snow in Port Hawkesbury in December?
In Port Hawkesbury, during December, snow falls for 18.2 days and regularly aggregates up to 216mm (8.5") of snow.
How cold is the water in December in Port Hawkesbury?
In Port Hawkesbury, the average seawater temperature in December is 4.8°C (40.6°F). For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.
What is the month with the shortest days in Port Hawkesbury?
The month with the shortest days is December, with an average of 8h and 48min of daylight.
What is the average length of the day in December in Port Hawkesbury?
In Port Hawkesbury, the average day length in December is 8h and 46min.
When is the sunrise / sunset in December in Port Hawkesbury?
In December, on the first day of the month, sunrise is at 7:26 am and sunset at 4:23 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 4:31 pm AST.
What are the months with the least sunshine in Port Hawkesbury?
January, February and December, with an average of 2.5h of sunshine, are months with the least sunshine.
How long on average sun shines in December in Port Hawkesbury?
In December, the average sunshine duration is 2.5h.
When is the lowest UV index in Port Hawkesbury?
The months with the lowest UV index in Port Hawkesbury are January, March and December, with an average maximum UV index of 1.
What is the UV index reading in December in Port Hawkesbury?
The average daily maximum UV index in December in Port Hawkesbury, Canada, is 1. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to UV radiation.
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 sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December
Port Hawkesbury, Canada
  • Average high temperature in December: 1°C

The warmest month (with the highest average high temperature) is August (21.8°C).
The month with the lowest average high temperature is February (-2.8°C).

  • Average low temperature in December: -3.6°C

The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is February (-9.3°C).

Average pressure in December
Port Hawkesbury, Canada
  • Average pressure in December: 1012.6mbar

The month with the highest atmospheric pressure is September (1016.2mbar).
The months with the lowest atmospheric pressure are January and February (1010.7mbar).

Average wind speed in December
Port Hawkesbury, Canada
  • Average wind speed in December: 17.5km/h

The windiest month (with the highest average wind speed) is January (18.1km/h).
The calmest month (with the lowest average wind speed) is July (12km/h).

Average humidity in December
Port Hawkesbury, Canada
  • Average humidity in December: 87%

The month with the highest relative humidity is February (91%).
The months with the lowest relative humidity are May and July (82%).

Average rainfall in December
Port Hawkesbury, Canada
  • Average rainfall in December: 105mm

The wettest month (with the highest rainfall) is November (106mm).
The driest month (with the least rainfall) is September (55mm).

Average rainfall days in December
Port Hawkesbury, Canada
  • Average rainfall days in December: 13.2 days

The month with the highest number of rainy days is August (18.8 days).
The month with the least rainy days is February (9 days).

Average snowfall in December
Port Hawkesbury, Canada
  • Average snowfall in December: 216mm

The month with the highest snowfall is February (256mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Port Hawkesbury, Canada
  • Average snowfall days in December: 18.2 days

The month with the highest number of snowfall days is January (20.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average sea temperature in December
Port Hawkesbury, Canada
  • Average sea temperature in December: 4.8°C

The best month for swimming (with the highest average sea temperature) is August (18.1°C).
The coldest month (with the lowest average sea temperature) is March (-0.4°C).

Average daylight in December /
Average sunshine in December
Port Hawkesbury, Canada
  • Average daylight in December: 8h and 5min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in December: 2h and 3min

The month with the most sunshine is August (Average sunshine: 8h and 36min).
The months with the least sunshine are January, February and December (Average sunshine: 2h and 30min).

Average sunshine days in December
Port Hawkesbury, Canada
  • Average sunshine days in December: 4.4 days

The month with the most sunshine days is September (11.5 days).
The month with the least sunshine days is December (4.4 days).

Average UV index in December
Port Hawkesbury, Canada
  • Average UV index in December: 1

The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, March and December (UV index 1).

Average cloud cover in December
Port Hawkesbury, Canada
  • Average cloud cover in December: 75

The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is August (Cloud cover 44).

Average visibility in December
Port Hawkesbury, Canada
  • Average visibility in December: 7km

The months with the highest visibility are September and October (9km).
The months with the lowest visibility are January, February, March, April and December (7km).

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