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, with its high-temperature average of 45°F (7.2°C) and a low-temperature average of 31.3°F (-0.4°C), is the coldest month.Humidity
The months with the highest humidity are January, February and December, with an average relative humidity of 85%.Rainfall
The months with the most rainfall are January and December, with an average 2.2" (56mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Azalea, in December, snow falls for 4.7 days, with typically accumulated 3.35" (85mm) of snow. Throughout the year, there are 23.3 snowfall days, and 17.17" (436mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 6min of daylight.On the first day of December, sunrise is at 7:24 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 4:49 pm PST.
Sunshine
With an average of 4.6h of sunshine, December has the least sunshine of the year.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Azalea. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: An average maximum UV index of 2 in December leads to these recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
What is the usual temperature for Azalea in December?
What is the most humid month?
What is the average humidity in December?
What is the wettest month?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Azalea have in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Azalea have in December?
What are the months with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Azalea, OR
- Average high temperature in December: 45°F
The warmest month (with the highest average high temperature) is August (83.7°F).
The month with the lowest average high temperature is December (45°F).
- Average low temperature in December: 31.3°F
The month with the highest average low temperature is August (49.6°F).
The coldest month (with the lowest average low temperature) is December (31.3°F).
Average pressure in December
Azalea, OR
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is August (29.99"Hg).
Average wind speed in December
Azalea, OR
- Average wind speed in December: 4mph
The windiest month (with the highest average wind speed) is January (4.1mph).
The calmest month (with the lowest average wind speed) is September (3.2mph).
Average humidity in December
Azalea, OR
- Average humidity in December: 85%
The months with the highest relative humidity are January, February and December (85%).
The month with the lowest relative humidity is August (65%).
Average rainfall in December
Azalea, OR
- Average rainfall in December: 2.2"
The wettest months (with the highest rainfall) are January and December (2.2").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in December
Azalea, OR
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is March (13.1 days).
The month with the least rainy days is August (2.1 days).
Average snowfall in December
Azalea, OR
- Average snowfall in December: 3.35"
The month with the highest snowfall is February (5").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Azalea, OR
- Average snowfall days in December: 4.7 days
The month with the highest number of snowfall days is February (5.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Azalea, OR
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 4h and 4min
The months with the most sunshine are July and August (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).
Average sunshine days in December
Azalea, OR
- Average sunshine days in December: 16.1 days
The month with the most sunshine days is August (27.1 days).
The month with the least sunshine days is March (13.8 days).
Average UV index in December
Azalea, OR
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Azalea, OR
- Average cloud cover in December: 54
The month with the most cloud cover is March (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in December
Azalea, OR
- Average visibility in December: 4mi
The months with the highest visibility are June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, April, May, November and December (4mi).
Azalea, Oregon, USA
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