December weather forecastWinnipeg, Canada
December
Weather in December
December marks the start of peak winter in Winnipeg. The temperatures drop dramatically, with averages range from -14.9°C (5.2°F) to -9.5°C (14.9°F). Snowfall increases, covering the city in a blanket of white, making warm clothing a necessity. Despite this, Winnipeg celebrates Christmas with bright sunshine on most days, making it a festive and visually pleasing time to visit.Temperature
The beginning of December in Winnipeg, Canada, signals a clear reduction in the average high-temperature, falling from a cold 0°C (32°F) in November to a freezing cold -9.5°C (14.9°F). December's nights observe an average temperature of -14.9°C (5.2°F).Humidity
The average relative humidity in December is 91%.Rainfall
In Winnipeg, in December, it is raining for 1.7 days, with typically 12mm (0.47") of accumulated precipitation. In Winnipeg, during the entire year, the rain falls for 101.8 days and collects up to 395mm (15.55") of precipitation.Snowfall
Months with snowfall in Winnipeg are January through May, October through December. In Winnipeg, in December, snow falls for 12.1 days, with typically accumulated 61mm (2.4") of snow. In Winnipeg, during the entire year, snow falls for 73.2 days and aggregates up to 479mm (18.86") of snow.Daylight
The month with the shortest days in Winnipeg, Canada, is December, with an average of 8h and 12min of daylight.On the first day of the month, sunrise is at 8:05 am and sunset at 4:29 pm. On the last day of December, in Winnipeg, sunrise is at 8:26 am and sunset at 4:37 pm CST.
Sunshine
The average sunshine in December is 3h.UV index
January, February, October through December, with an average maximum UV index of 1, are months with the lowest UV index in Winnipeg. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for average individuals.Note: In December, the maximum UV index of 1 suggests this advice:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Winnipeg, Canada
- Average high temperature in December: -9.5°C
The warmest month (with the highest average high temperature) is August (25.6°C).
The month with the lowest average high temperature is January (-11.3°C).
- Average low temperature in December: -14.9°C
The month with the highest average low temperature is July (14.8°C).
The coldest month (with the lowest average low temperature) is January (-18.5°C).
Average pressure in December
Winnipeg, Canada
- Average pressure in December: 1019.4mbar
The month with the highest atmospheric pressure is February (1020.9mbar).
The month with the lowest atmospheric pressure is June (1010.5mbar).
Average wind speed in December
Winnipeg, Canada
- Average wind speed in December: 14.7km/h
The windiest month (with the highest average wind speed) is October (16km/h).
The calmest month (with the lowest average wind speed) is August (12.8km/h).
Average humidity in December
Winnipeg, Canada
- Average humidity in December: 91%
The months with the highest relative humidity are January and February (92%).
The months with the lowest relative humidity are May and August (63%).
Average rainfall in December
Winnipeg, Canada
- Average rainfall in December: 12mm
The wettest month (with the highest rainfall) is June (70mm).
The driest month (with the least rainfall) is February (10mm).
Average rainfall days in December
Winnipeg, Canada
- Average rainfall days in December: 1.7 days
The month with the highest number of rainy days is June (18 days).
The month with the least rainy days is February (1.2 days).
Average snowfall in December
Winnipeg, Canada
- Average snowfall in December: 61mm
The month with the highest snowfall is November (91mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Winnipeg, Canada
- Average snowfall days in December: 12.1 days
The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Winnipeg, Canada
- Average daylight in December: 8h and 12min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in December: 3h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in December
Winnipeg, Canada
- Average sunshine days in December: 18.9 days
The month with the most sunshine days is December (18.9 days).
The month with the least sunshine days is June (9.2 days).
Average UV index in December
Winnipeg, 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 January, February, October, November and December (UV index 1).
Average cloud cover in December
Winnipeg, Canada
- Average cloud cover in December: 70
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in December
Winnipeg, Canada
- Average visibility in December: 8km
The months with the highest visibility are August and September (10km).
The month with the lowest visibility is January (7km).





