December weather forecastMount Angel, OR
December
Weather in December
December, the first month of the winter in Mount Angel, is still a chilly month, with an average temperature ranging between min 34.2°F (1.2°C) and max 44.4°F (6.9°C).Temperature
The coldest month is December, with an average high-temperature of 44.4°F (6.9°C) and an average low-temperature of 34.2°F (1.2°C).Humidity
In December, the average relative humidity in Mount Angel is 85%.Rainfall
The month with the most rainfall in Mount Angel is December, when the rain falls for 18.6 days and typically aggregates up to 4.45" (113mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In December, it is snowing for 0.9 days. Throughout December, 0.55" (14mm) of snow is accumulated. Throughout the year, there are 6.2 snowfall days, and 3.74" (95mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 8h and 48min of daylight.On the first day of December, sunrise is at 7:30 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 4:39 pm PST.
Sunshine
In December, the average sunshine is 4.3h.UV index
The months with the lowest UV index 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 unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mount Angel, OR
- Average high temperature in December: 44.4°F
The warmest month (with the highest average high temperature) is August (80.2°F).
The month with the lowest average high temperature is December (44.4°F).
- Average low temperature in December: 34.2°F
The month with the highest average low temperature is August (52.5°F).
The coldest month (with the lowest average low temperature) is December (34.2°F).
Average pressure in December
Mount Angel, OR
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in December
Mount Angel, OR
- Average wind speed in December: 5.7mph
The windiest month (with the highest average wind speed) is January (5.9mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in December
Mount Angel, OR
- Average humidity in December: 85%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is August (66%).
Average rainfall in December
Mount Angel, OR
- Average rainfall in December: 4.45"
The wettest month (with the highest rainfall) is December (4.45").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in December
Mount Angel, OR
- Average rainfall days in December: 18.6 days
The month with the highest number of rainy days is March (20.4 days).
The month with the least rainy days is August (4.3 days).
Average snowfall in December
Mount Angel, OR
- Average snowfall in December: 0.55"
The month with the highest snowfall is February (1.73").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Mount Angel, OR
- Average snowfall days in December: 0.9 days
The month with the highest number of snowfall days is February (2.4 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
Mount Angel, OR
- Average daylight in December: 8h and 48min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 4h and 18min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in December
Mount Angel, OR
- Average sunshine days in December: 10.9 days
The month with the most sunshine days is July (25.5 days).
The month with the least sunshine days is February (8.5 days).
Average UV index in December
Mount Angel, 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
Mount Angel, OR
- Average cloud cover in December: 56
The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in December
Mount Angel, OR
- Average visibility in December: 5mi
The months with the highest visibility are July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, May, June, October, November and December (5mi).





