Winnipeg
Canada
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Winnipeg, Canada

The first month of the winter, December, is also a subzero cold month in Winnipeg, Canada, with average temperature fluctuating between -17.8°C (-0°F) and -8.5°C (16.7°F).

Temperature

In Winnipeg, the average high-temperature significantly decreases, from a subzero cold -0.5°C (31.1°F) in November, to a still freezing cold -8.5°C (16.7°F). In December, in Winnipeg, the average low-temperature is -17.8°C (-0°F).

Humidity

The most humid month is December, with an average relative humidity of 75.1%.

Rainfall

In Winnipeg, during December, the rain falls for 0.8 days and regularly aggregates up to 1.5mm (0.1") of precipitation. Throughout the year, there are 78.3 rainfall days, and 419mm (16.5") of precipitation is accumulated.

Snowfall

Months with snowfall in Winnipeg are January through May, September through December. In Winnipeg, snow falls for 11.5 days, with typically accumulated 230mm (9.1") of snow. Throughout the year, there are 53.5 snowfall days, and 1139mm (44.8") of snow is accumulated.

Daylight

With an average of 8.2h of daylight, December has the shortest days of the year in Winnipeg.

Sunshine

In December, the average sunshine is 3.2h.

UV index

Months with the lowest UV index in Winnipeg are January, February, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 1 interpret into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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 Winnipeg?

In Winnipeg, in December, the average high-temperature is -8.5°C (16.7°F), and the average low-temperature is -17.8°C (-0°F).

What is the most humid month in Winnipeg?

With an average relative humidity of 75.1%, December is the most humid month.

What is the average humidity in December in Winnipeg?

The average relative humidity in December in Winnipeg is 75.1%.

How many days does it rain in December in Winnipeg?

In December, in Winnipeg, Canada, the rain falls for 0.8 days. Throughout December, 1.5mm (0.1") of precipitation is accumulated.

How much does it snow in Winnipeg in December?

In Winnipeg, Canada, in December, during 11.5 snowfall days, 230mm (9.1") of snow is typically accumulated.

What is the month with the shortest days in Winnipeg?

With an average of 8.2h of daylight, December has the shortest days of the year in Winnipeg, Canada.

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

In Winnipeg, the average length of the day in December is 8.2h.

How many hours of sunshine does Winnipeg have in December?

In Winnipeg, Canada, the average sunshine in December is 3.2h.

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

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

What is the UV index intensity in December in Winnipeg?

In Winnipeg, the average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents a low health threat from the exposure to the Sun's UV radiation.
Average temperature in December - Winnipeg, Canada
  • Average high temperature in December: -8.5°C

The warmest month (with the highest average high temperature) is July (25.9°C).
The month with the lowest average high temperature is January (-11.3°C).

  • Average low temperature in December: -17.8°C

The month with the highest average low temperature is July (13.5°C).
The coldest month (with the lowest average low temperature) is January (-21.4°C).

Average humidity in December - Winnipeg, Canada
  • Average humidity in December: 75.1%

The month with the highest relative humidity is December (75.1%).
The month with the lowest relative humidity is May (46.7%).

Average rainfall in December - Winnipeg, Canada
  • Average rainfall in December: 1.5mm

The wettest month (with the highest rainfall) is June (90mm).
The driest month (with the lowest rainfall) is January (0.2mm).

Average rainfall days in December - Winnipeg, Canada
  • Average rainfall days in December: 0.8 days

The month with the highest number of rainy days is June (13.3 days).
The month with the lowest number of rainy days is January (0.7 days).

Average snowfall in December - Winnipeg, Canada
  • Average snowfall in December: 230mm

The month with the highest snowfall is January (237mm).
Months with the lowest snowfall are June, July and August (0mm).

Average snowfall days in December - Winnipeg, Canada
  • Average snowfall days in December: 11.5 days

The month with the highest number of snowfall days is January (12.4 days).
Months with the lowest number of snowfall days are June, July and August (0 days).

Average daylight in December / Average sunshine in December - Winnipeg, Canada
  • Average daylight in December: 8.2h

The month with the longest days is June (Average daylight: 16.3h).
The month with shortest days is December (Average daylight: 8.2h).

  • Average sunshine in December: 3.2h

The month with most sunshine is July (Average sunshine: 9.9h).
The month with least sunshine is November (Average sunshine: 3.1h).

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

Months with the highest UV index are June and July (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 1).