Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
Langley records the coldest temperatures in December, averaging a high of 3.2°C (37.8°F) and a low of -0.9°C (30.4°F).Humidity
In Langley, the average relative humidity in December is 87%.Rainfall
In Langley, during December, the rain falls for 21.2 days and regularly aggregates up to 230mm (9.06") of precipitation. Throughout the year, there are 184.4 rainfall days, and 1508mm (59.37") of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Langley, during December, snow falls for 3.5 days and regularly aggregates up to 70mm (2.76") of snow. Throughout the year, in Langley, there are 15.5 snowfall days, and 340mm (13.39") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 8h and 18min of daylight.On the first day of December in Langley, sunrise is at 7:44 am and sunset at 4:14 pm. On the last day of the month, sunrise is at 8:04 am and sunset at 4:22 pm PST.
Sunshine
January and December, with an average of 3.6h of sunshine, are months with the least sunshine.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 2 in December translates into these instructions:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Langley?
How cold is it in Langley in December?
What is the average humidity in December in Langley?
How many days does it rain in December in Langley?
How many days does it snow in December in Langley?
What is the month with the shortest days in Langley?
What is the average length of the day in December in Langley?
What time are sunrise and sunset in December in Langley?
What are the months with the least sunshine in Langley?
How long on average sun shines in December in Langley?
What are the months with the lowest UV index in Langley?
What is the UV index intensity in December in Langley?
Average temperature in December
Langley, Canada
- Average high temperature in December: 3.2°C
The warmest month (with the highest average high temperature) is August (22°C).
The month with the lowest average high temperature is December (3.2°C).
- Average low temperature in December: -0.9°C
The month with the highest average low temperature is August (11°C).
The coldest month (with the lowest average low temperature) is December (-0.9°C).
Average pressure in December
Langley, Canada
- Average pressure in December: 1018.4mbar
The month with the highest atmospheric pressure is January (1018.6mbar).
The month with the lowest atmospheric pressure is March (1015.8mbar).
Average wind speed in December
Langley, Canada
- Average wind speed in December: 7.3km/h
The windiest months (with the highest average wind speed) are February and March (7.6km/h).
The calmest month (with the lowest average wind speed) is August (5.2km/h).
Average humidity in December
Langley, Canada
- Average humidity in December: 87%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is July (74%).
Average rainfall in December
Langley, Canada
- Average rainfall in December: 230mm
The wettest month (with the highest rainfall) is January (250mm).
The driest month (with the least rainfall) is July (11mm).
Average rainfall days in December
Langley, Canada
- Average rainfall days in December: 21.2 days
The month with the highest number of rainy days is March (22.1 days).
The month with the least rainy days is July (4.6 days).
Average snowfall in December
Langley, Canada
- Average snowfall in December: 70mm
The month with the highest snowfall is February (114mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Langley, Canada
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is February (5 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
Langley, Canada
- Average daylight in December: 8h and 2min
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 4min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The months with the least sunshine are January and December (Average sunshine: 3h and 36min).
Average sunshine days in December
Langley, Canada
- Average sunshine days in December: 8.7 days
The month with the most sunshine days is July (26 days).
The month with the least sunshine days is March (7.1 days).
Average UV index in December
Langley, 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, March, October, November and December (UV index 2).
Average cloud cover in December
Langley, Canada
- Average cloud cover in December: 61
The months with the most cloud cover are January, March and December (Cloud cover 61).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility in December
Langley, Canada
- Average visibility in December: 7km
The months with the highest visibility are July and August (9km).
The months with the lowest visibility are January, February, November and December (7km).
