December weather forecastVancouver, Canada
December
Weather in December
December, the final month in Vancouver's climatological calendar, introduces colder temperatures and increased precipitation, marking the arrival of winter. Snowfall becomes a standard feature this month, attaining 41mm (1.61"), commencing the true essence of Canadian winters. December wraps the city with its cold winds, dense fogs, and frosty surroundings, providing a perfect setting for holiday festivities. Despite the shorter days, the Christmas lights illuminate the city, offering a festive radiance. December's weather culminates by contrasting the wet and relatively warmer November, while simultaneously setting the stage for a fresh start in January.Temperature
December, recording an average high temperature of 4.7°C (40.5°F) and a low temperature of 1.9°C (35.4°F), is Vancouver's coldest month.Humidity
In December, the average relative humidity is 82%.Rainfall
In Vancouver, during December, the rain falls for 19.5 days and regularly aggregates up to 188mm (7.4") of precipitation. Throughout the year, there are 192.4 rainfall days, and 1325mm (52.17") of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Vancouver, in December, during 2 snowfall days, 41mm (1.61") of snow is typically accumulated. In Vancouver, during the entire year, snow falls for 10.2 days and aggregates up to 192mm (7.56") of snow.Sea temperature
In Vancouver, in December, the average water temperature is 7.7°C (45.9°F).Note: Swimming in 7.7°C (45.9°F) poses a severe threat. Even short exposure to 13°C (55.4°F) is chilling, and going below 10°C (50°F) can cause breathing irregularities and intense cold shock, based on one's stamina.
Daylight
With an average of 8h and 18min of daylight, December has the shortest days of the year in Vancouver.On the first day of the month, sunrise is at 7:47 am and sunset at 4:16 pm. On the last day of December, in Vancouver, Canada, sunrise is at 8:07 am and sunset at 4:24 pm PST.
Sunshine
The months with the least sunshine are January and December, with an average of 3.9h of sunshine.UV index
The months with the lowest UV index in Vancouver, Canada, are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.Note: The UV index of 2 in December translates into these instructions:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Vancouver, Canada
- Average high temperature in December: 4.7°C
The warmest month (with the highest average high temperature) is July (19.3°C).
The month with the lowest average high temperature is December (4.7°C).
- Average low temperature in December: 1.9°C
The month with the highest average low temperature is August (13.4°C).
The coldest month (with the lowest average low temperature) is December (1.9°C).
Average pressure in December
Vancouver, Canada
- Average pressure in December: 1017.9mbar
The month with the highest atmospheric pressure is January (1018.1mbar).
The month with the lowest atmospheric pressure is March (1015.7mbar).
Average wind speed in December
Vancouver, Canada
- Average wind speed in December: 11.3km/h
The windiest month (with the highest average wind speed) is November (11.4km/h).
The calmest month (with the lowest average wind speed) is August (6.3km/h).
Average humidity in December
Vancouver, Canada
- Average humidity in December: 82%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is July (75%).
Average rainfall in December
Vancouver, Canada
- Average rainfall in December: 188mm
The wettest month (with the highest rainfall) is November (209mm).
The driest month (with the least rainfall) is July (24mm).
Average rainfall days in December
Vancouver, Canada
- Average rainfall days in December: 19.5 days
The month with the highest number of rainy days is March (20.6 days).
The month with the least rainy days is August (8.8 days).
Average snowfall in December
Vancouver, Canada
- Average snowfall in December: 41mm
The month with the highest snowfall is February (67mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Vancouver, Canada
- Average snowfall days in December: 2 days
The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in December
Vancouver, Canada
- Average sea temperature in December: 7.7°C
The best months for swimming (with the highest average sea temperature) are August and September (11.3°C).
The coldest month (with the lowest average sea temperature) is February (6.8°C).
Average daylight in December /
Average sunshine in December
Vancouver, Canada
- Average daylight in December: 8h and 18min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in December: 3h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 3h and 54min).
Average sunshine days in December
Vancouver, Canada
- Average sunshine days in December: 10 days
The month with the most sunshine days is August (19.4 days).
The months with the least sunshine days are February and March (8.3 days).
Average UV index in December
Vancouver, Canada
- Average UV index in December: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Vancouver, Canada
- Average cloud cover in December: 59
The months with the most cloud cover are January and December (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 26).
Average visibility in December
Vancouver, Canada
- Average visibility in December: 9km
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February, March, April, May, September, October, November and December (9km).
