December weather forecastEagle Creek, OR
December
Weather in December
The first month of the winter, December, is also an icy month in Eagle Creek, Oregon, with an average temperature ranging between min 32.4°F (0.2°C) and max 41.9°F (5.5°C).Temperature
Eagle Creek experiences its lowest temperatures in December, with an average peak of 41.9°F (5.5°C) and a low of 32.4°F (0.2°C).Humidity
In Eagle Creek, the average relative humidity in December is 84%.Rainfall
December is the month with the most rainfall. Rain falls for 18.3 days and accumulates 5.67" (144mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In December, it is snowing for 1.7 days. Throughout December, 1.06" (27mm) of snow is accumulated. In Eagle Creek, during the entire year, snow falls for 14.7 days and aggregates up to 12.56" (319mm) of snow.Daylight
With an average of 8h and 48min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:29 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 4:36 pm PST.
Sunshine
The average sunshine in December in Eagle Creek 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 reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: A maximum daily UV index of 2 during December morphs into the following directions:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Eagle Creek, OR
- Average high temperature in December: 41.9°F
The warmest month (with the highest average high temperature) is August (77.9°F).
The month with the lowest average high temperature is December (41.9°F).
- Average low temperature in December: 32.4°F
The month with the highest average low temperature is August (50.9°F).
The coldest month (with the lowest average low temperature) is December (32.4°F).
Average pressure in December
Eagle Creek, OR
- Average pressure in December: 30.11"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
Eagle Creek, OR
- Average wind speed in December: 6.1mph
The windiest month (with the highest average wind speed) is January (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in December
Eagle Creek, OR
- Average humidity in December: 84%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is August (66%).
Average rainfall in December
Eagle Creek, OR
- Average rainfall in December: 5.67"
The wettest month (with the highest rainfall) is December (5.67").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in December
Eagle Creek, OR
- Average rainfall days in December: 18.3 days
The month with the highest number of rainy days is March (20.7 days).
The months with the least rainy days are July and August (5.3 days).
Average snowfall in December
Eagle Creek, OR
- Average snowfall in December: 1.06"
The month with the highest snowfall is February (4.49").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Eagle Creek, OR
- Average snowfall days in December: 1.7 days
The month with the highest number of snowfall days is February (5.2 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
Eagle Creek, 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 12min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in December
Eagle Creek, OR
- Average sunshine days in December: 11 days
The month with the most sunshine days is July (23.7 days).
The month with the least sunshine days is February (8 days).
Average UV index in December
Eagle Creek, 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, November and December (UV index 2).
Average cloud cover in December
Eagle Creek, OR
- Average cloud cover in December: 55
The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in December
Eagle Creek, OR
- Average visibility in December: 5mi
The month with the highest visibility is August (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, September, October, November and December (5mi).





