December weather forecastWhite Rock, Canada
December
Weather in December
The first month of the winter, December, is also an icy month in White Rock, Canada, with an average temperature varying between 2.2°C (36°F) and 5.5°C (41.9°F).Temperature
White Rock's coldest weather arrives in December, when temperatures average a high of 5.5°C (41.9°F) and a low of 2.2°C (36°F).Humidity
In White Rock, the average relative humidity in December is 82%.Rainfall
In White Rock, in December, it is raining for 18.2 days, with typically 161mm (6.34") of accumulated precipitation. Throughout the year, in White Rock, there are 176.1 rainfall days, and 1112mm (43.78") of precipitation is accumulated.Snowfall
Months with snowfall in White Rock are January through April, November and December. In White Rock, Canada, during December, snow falls for 2 days and regularly aggregates up to 39mm (1.54") of snow. In White Rock, during the entire year, snow falls for 10.5 days and aggregates up to 172mm (6.77") of snow.Daylight
With an average of 8h and 18min of daylight, December has the shortest days of the year in White Rock, Canada.On the first day of the month, sunrise is at 7:44 am and sunset at 4:16 pm. On the last day of December, in White Rock, sunrise is at 8:05 am and sunset at 4:23 pm PST.
Sunshine
The months with the least sunshine in White Rock are January and December, with an average of 3.9h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, 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 average individuals.Note: The UV index of 2 in December translates into these instructions:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
White Rock, Canada
- Average high temperature in December: 5.5°C
The warmest month (with the highest average high temperature) is August (21.1°C).
The month with the lowest average high temperature is December (5.5°C).
- Average low temperature in December: 2.2°C
The month with the highest average low temperature is August (12.7°C).
The coldest month (with the lowest average low temperature) is February (2.1°C).
Average pressure in December
White Rock, Canada
- Average pressure in December: 1018.1mbar
The month with the highest atmospheric pressure is January (1018.4mbar).
The month with the lowest atmospheric pressure is March (1015.9mbar).
Average wind speed in December
White Rock, Canada
- Average wind speed in December: 10.1km/h
The windiest months (with the highest average wind speed) are November and December (10.1km/h).
The calmest month (with the lowest average wind speed) is August (6.3km/h).
Average humidity in December
White Rock, Canada
- Average humidity in December: 82%
The months with the highest relative humidity are January and November (83%).
The month with the lowest relative humidity is July (74%).
Average rainfall in December
White Rock, Canada
- Average rainfall in December: 161mm
The wettest month (with the highest rainfall) is November (181mm).
The driest month (with the least rainfall) is July (17mm).
Average rainfall days in December
White Rock, Canada
- Average rainfall days in December: 18.2 days
The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (6.1 days).
Average snowfall in December
White Rock, Canada
- Average snowfall in December: 39mm
The month with the highest snowfall is February (52mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
White Rock, Canada
- Average snowfall days in December: 2 days
The month with the highest number of snowfall days is February (3.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
White Rock, Canada
- Average daylight in December: 8h and 18min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in December: 3h and 54min
The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The months with the least sunshine are January and December (Average sunshine: 3h and 54min).
Average sunshine days in December
White Rock, Canada
- Average sunshine days in December: 10.5 days
The month with the most sunshine days is August (23.2 days).
The month with the least sunshine days is November (8.8 days).
Average UV index in December
White Rock, Canada
- Average UV index in December: 2
The months with the highest UV index are June and 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
White Rock, Canada
- Average cloud cover in December: 58
The months with the most cloud cover are January and December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in December
White Rock, Canada
- Average visibility in December: 9km
The month with the highest visibility is July (10km).
The months with the lowest visibility are January, February, March, April, May, June, August, September, October, November and December (9km).





