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
Weather in December
Temperature
December, having an average high-temperature of 43.3°F (6.3°C) and an average low-temperature of 35.8°F (2.1°C), is the coldest month.Humidity
January, February and December, with an average relative humidity of 84%, are the most humid months.Rainfall
The month with the most rainfall in Brier is December, when the rain falls for 17.6 days and typically aggregates up to 3.5" (89mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In December, in Brier, it is snowing for 2.2 days. Throughout December, 0.43" (11mm) of snow is accumulated. In Brier, during the entire year, snow falls for 12.5 days and aggregates up to 6.65" (169mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 30min of daylight.On the first day of the month, sunrise is at 7:37 am and sunset at 4:18 pm. On the last day of December, sunrise is at 7:57 am and sunset at 4:27 pm PST.
Sunshine
In Brier, the average sunshine in December is 4.6h.UV index
The months with the lowest UV index in Brier are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 2 during December leads to these advisories:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Enhance your sun protection with tightly woven, yet airy clothing. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Frequently asked questions
What part of the year is the coldest in Brier?
How cold does it get in Brier in December?
What is the most humid month in Brier?
What is the average humidity in December in Brier?
What is the rainiest month in Brier?
How much does it rain in Brier in December?
How much does it snow in Brier in December?
What is the month with the shortest days in Brier?
How many hours of daylight does Brier have in December?
When is the sunrise / sunset in December in Brier?
How many hours of sunshine does Brier have in December?
What are the months with the lowest UV index in Brier?
How high is the UV index in December in Brier?
Average temperature in December
Brier, WA
- Average high temperature in December: 43.3°F
The warmest month (with the highest average high temperature) is August (73.9°F).
The month with the lowest average high temperature is December (43.3°F).
- Average low temperature in December: 35.8°F
The month with the highest average low temperature is August (54.1°F).
The coldest month (with the lowest average low temperature) is December (35.8°F).
Average pressure in December
Brier, WA
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).
Average wind speed in December
Brier, WA
- Average wind speed in December: 5.5mph
The windiest month (with the highest average wind speed) is November (5.9mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in December
Brier, WA
- Average humidity in December: 84%
The months with the highest relative humidity are January, February and December (84%).
The month with the lowest relative humidity is July (72%).
Average rainfall in December
Brier, WA
- Average rainfall in December: 3.5"
The wettest month (with the highest rainfall) is December (3.5").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days in December
Brier, WA
- Average rainfall days in December: 17.6 days
The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (6.8 days).
Average snowfall in December
Brier, WA
- Average snowfall in December: 0.43"
The month with the highest snowfall is February (3.58").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Brier, WA
- Average snowfall days in December: 2.2 days
The month with the highest number of snowfall days is February (4.7 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
Brier, WA
- Average daylight in December: 8h and 3min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in December
Brier, WA
- Average sunshine days in December: 10.8 days
The month with the most sunshine days is August (22.5 days).
The month with the least sunshine days is November (9.2 days).
Average UV index in December
Brier, WA
- 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
Brier, WA
- Average cloud cover in December: 53
The months with the most cloud cover are January and December (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in December
Brier, WA
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Brier, Washington, USA
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