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, noted for its average high-temperature of 42.8°F (6°C) and an average low-temperature of 29.5°F (-1.4°C), is considered the coldest month.Humidity
In December, the average relative humidity in Westfir, Oregon, is 84%.Rainfall
The month with the most rainfall in Westfir is December, when the rain falls for 17.4 days and typically aggregates up to 5.83" (148mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Westfir, during December, snow falls for 3.7 days and regularly aggregates up to 2.44" (62mm) of snow. Throughout the year, in Westfir, there are 21.1 snowfall days, and 25.35" (644mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 0min of daylight.On the first day of the month, sunrise is at 7:24 am and sunset at 4:33 pm. On the last day of December, in Westfir, sunrise is at 7:43 am and sunset at 4:42 pm PST.
Sunshine
In Westfir, the average sunshine in December is 4.2h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Westfir, Oregon. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for average individuals.Note: A maximum high daily UV index of 2 during December translates into the following directions:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Frequently asked questions
What are the coldest months in Westfir?
Is December cold in Westfir?
What is the average humidity in December in Westfir?
What is the rainiest month in Westfir?
How many days does it rain in December in Westfir?
How much does it snow in Westfir in December?
What is the month with the shortest days in Westfir?
How many hours of daylight does Westfir have in December?
When are sunrise and sunset in December in Westfir?
How many hours of sunshine does Westfir have in December?
What are the months with the lowest UV index in Westfir?
How high is the UV index in December in Westfir?
Average temperature in December
Westfir, OR
- Average high temperature in December: 42.8°F
The warmest month (with the highest average high temperature) is August (78.3°F).
The month with the lowest average high temperature is December (42.8°F).
- Average low temperature in December: 29.5°F
The month with the highest average low temperature is August (45.7°F).
The coldest month (with the lowest average low temperature) is December (29.5°F).
Average pressure in December
Westfir, OR
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is August (29.99"Hg).
Average wind speed in December
Westfir, OR
- Average wind speed in December: 5.1mph
The windiest month (with the highest average wind speed) is January (5.3mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in December
Westfir, OR
- Average humidity in December: 84%
The month with the highest relative humidity is March (86%).
The months with the lowest relative humidity are July and August (66%).
Average rainfall in December
Westfir, OR
- Average rainfall in December: 5.83"
The wettest month (with the highest rainfall) is December (5.83").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in December
Westfir, OR
- Average rainfall days in December: 17.4 days
The month with the highest number of rainy days is March (19.7 days).
The month with the least rainy days is July (4.5 days).
Average snowfall in December
Westfir, OR
- Average snowfall in December: 2.44"
The month with the highest snowfall is February (9.41").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Westfir, OR
- Average snowfall days in December: 3.7 days
The month with the highest number of snowfall days is February (6.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Westfir, OR
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is August (Average sunshine: 11h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in December
Westfir, OR
- Average sunshine days in December: 11.5 days
The month with the most sunshine days is July (25.2 days).
The month with the least sunshine days is March (9 days).
Average UV index in December
Westfir, OR
- 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, March, November and December (UV index 2).
Average cloud cover in December
Westfir, OR
- Average cloud cover in December: 55
The month with the most cloud cover is March (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in December
Westfir, OR
- Average visibility in December: 4mi
The month with the highest visibility is August (6mi).
The months with the lowest visibility are January, February, March, April, May, November and December (4mi).
Westfir, Oregon, USA
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