December weather forecast
Summerside, Canada

englishespañol中文
Share

Weather in December

The first month of the winter, December, is also a wintry month in Summerside, Canada, with an average temperature fluctuating between -3.7°C (25.3°F) and 0.5°C (32.9°F).

Temperature

December's onset brings a reduction in the average high-temperature, from a chilly 6.1°C (43°F) in November to an icy 0.5°C (32.9°F). Night temperatures in December exhibit a subtle decrease, settling at an average of -3.7°C (25.3°F).

Humidity

In December, the average relative humidity is 83%.

Rainfall

December is the month with the most rainfall in Summerside. Rain falls for 11.4 days and accumulates 86mm (3.39") of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Summerside, Canada, during December, snow falls for 14.5 days and regularly aggregates up to 148mm (5.83") of snow. In Summerside, during the entire year, snow falls for 81.4 days and aggregates up to 813mm (32.01") of snow.

Sea temperature

In Summerside, in December, the average water temperature is 3.4°C (38.1°F).
Note: In the scenario of swimming, this is assessed as life-threatening and highly risky. The chilling water causes severe discomfort and induces instant hyperventilation. A specialized swimsuit is necessary to counter thermal damage.

Daylight

The month with the shortest days is December, with an average of 8h and 42min of daylight.
On the first day of the month, sunrise is at 7:38 am and sunset at 4:30 pm. On the last day of December, in Summerside, Canada, sunrise is at 7:58 am and sunset at 4:38 pm AST.

Sunshine

January and December, with an average of 2.7h of sunshine, are months with the least sunshine in Summerside.

UV index

The months with the lowest UV index are February, March and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.
Note: During December, 1 as the daily maximum UV index converts into the following advice:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
[Resources]

Frequently asked questions

How cold is December in Summerside?

In Summerside, 0.5°C (32.9°F) is the average high-temperature and -3.7°C (25.3°F) is the average low-temperature during December.

What is the average humidity in December in Summerside?

In Summerside, Canada, the average relative humidity in December is 83%.

What is the wettest month in Summerside?

December is the month with the most rainfall in Summerside. Rain falls for 11.4 days and accumulates 86mm (3.39") of precipitation.

How many days does it rain in December in Summerside?

In Summerside, during December, the rain falls for 11.4 days and regularly aggregates up to 86mm (3.39") of precipitation.

How much does it snow in Summerside in December?

In Summerside, Canada, during December, snow falls for 14.5 days and regularly aggregates up to 148mm (5.83") of snow.

What is the sea temperature in December in Summerside?

In December, the average sea temperature is 3.4°C (38.1°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 Summerside?

The month with the shortest days in Summerside, Canada, is December, with an average of 8h and 42min of daylight.

How many hours of daylight does Summerside have in December?

In Summerside, Canada, the average day length in December is 8h and 40min.

What time are sunrise and sunset in December in Summerside?

On the first day of December in Summerside, Canada, sunrise is at 7:38 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:58 am and sunset at 4:38 pm AST.

What are the months with the least sunshine in Summerside?

January and December, with an average of 2.7h of sunshine, are months with the least sunshine in Summerside.

How many hours of sunshine does Summerside have in December?

In Summerside, the average sunshine duration in December is 2.7h.

What are the months with the lowest UV index in Summerside?

February, March and December, with an average maximum UV index of 1, are months with the lowest UV index.

How high is the UV index in December in Summerside?

In December, the average daily maximum UV index in Summerside, Canada, is 1. A UV Index value of 2, and less, symbolizes a minimal hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Summerside, Canada

Average temperature in December - Summerside, Canada
  • Average high temperature in December: 0.5°C

The warmest month (with the highest average high temperature) is August (22.8°C).
The months with the lowest average high temperature are January and February (-3.3°C).

  • Average low temperature in December: -3.7°C

The month with the highest average low temperature is August (16°C).
The coldest month (with the lowest average low temperature) is February (-9.3°C).

[Resources]

Average pressure in December
Summerside, Canada

Average pressure in December - Summerside, Canada
  • Average pressure in December: 1014mbar

The month with the highest atmospheric pressure is September (1016.2mbar).
The month with the lowest atmospheric pressure is January (1012mbar).

[Resources]

Average wind speed in December
Summerside, Canada

Average wind speed in December - Summerside, Canada
  • Average wind speed in December: 20.2km/h

The windiest month (with the highest average wind speed) is December (20.2km/h).
The calmest month (with the lowest average wind speed) is July (14.4km/h).

[Resources]

Average humidity in December
Summerside, Canada

Average humidity in December - Summerside, Canada
  • Average humidity in December: 83%

The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are July, August, September and October (77%).

[Resources]

Average rainfall in December
Summerside, Canada

Average rainfall in December - Summerside, Canada
  • Average rainfall in December: 86mm

The wettest month (with the highest rainfall) is December (86mm).
The driest month (with the least rainfall) is July (53mm).

[Resources]

Average rainfall days in December
Summerside, Canada

Average rainfall days in December - Summerside, Canada
  • Average rainfall days in December: 11.4 days

The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (6 days).

[Resources]

Average snowfall in December
Summerside, Canada

Average snowfall in December - Summerside, Canada
  • Average snowfall in December: 148mm

The month with the highest snowfall is February (195mm).
The months with the least snowfall are June, July, August and September (0mm).

[Resources]

Average snowfall days in December
Summerside, Canada

Average snowfall days in December - Summerside, Canada
  • Average snowfall days in December: 14.5 days

The month with the highest number of snowfall days is January (18.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

Average sea temperature in December
Summerside, Canada

Average sea temperature in December - Summerside, Canada
  • Average sea temperature in December: 3.4°C

The best month for swimming (with the highest average sea temperature) is August (18.2°C).
The coldest months (with the lowest average sea temperature) are February and March (-1.1°C).

[Resources]

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

Average daylight in December / Average sunshine in December - Summerside, Canada
  • Average daylight in December: 8h and 4min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in December: 2h and 4min

The months with the most sunshine are July and August (Average sunshine: 9h and 6min).
The months with the least sunshine are January and December (Average sunshine: 2h and 42min).

[Resources]

Average sunshine days in December
Summerside, Canada

Average sunshine days in December - Summerside, Canada
  • Average sunshine days in December: 8.2 days

The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is February (7.3 days).

[Resources]

Average UV index in December
Summerside, Canada

Average UV index in December - Summerside, Canada
  • Average UV index in December: 1

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

[Resources]

Average cloud cover in December
Summerside, Canada

Average cloud cover in December - Summerside, Canada
  • Average cloud cover in December: 73

The month with the most cloud cover is December (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 37).

[Resources]

Average visibility in December
Summerside, Canada

Average visibility in December - Summerside, Canada
  • Average visibility in December: 8km

The months with the highest visibility are April, May, June, July, August, September, October and November (9km).
The month with the lowest visibility is February (7km).

[Resources]

Summerside, Canada

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location