December weather forecastCelilo Village, OR
December
Weather in December
December, the first month of the winter in Celilo Village, is also an icy month, with an average temperature varying between 27°F (-2.8°C) and 37.4°F (3°C).Temperature
In Celilo Village, December is the month with the lowest recorded average temperatures, measuring a high of 37.4°F (3°C) and a low of 27°F (-2.8°C).Humidity
The average relative humidity in December in Celilo Village is 83%.Rainfall
In Celilo Village, during December, the rain falls for 12.6 days and regularly aggregates up to 1.73" (44mm) of precipitation. In Celilo Village, during the entire year, the rain falls for 112.2 days and collects up to 10.91" (277mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Celilo Village, in December, snow falls for 3.9 days, with typically accumulated 2.09" (53mm) of snow. In Celilo Village, during the entire year, snow falls for 12.6 days and aggregates up to 7.6" (193mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 48min of daylight.On the first day of the month, sunrise is at 7:24 am and sunset at 4:21 pm. On the last day of December, sunrise is at 7:44 am and sunset at 4:30 pm PST.
Sunshine
In Celilo Village, the average sunshine in December is 5.1h.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 value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the maximum UV index of 2 suggests 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 Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Celilo Village, OR
- Average high temperature in December: 37.4°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is December (37.4°F).
- Average low temperature in December: 27°F
The month with the highest average low temperature is August (57.9°F).
The coldest month (with the lowest average low temperature) is December (27°F).
Average pressure in December
Celilo Village, OR
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.95"Hg).
Average wind speed in December
Celilo Village, OR
- Average wind speed in December: 5mph
The windiest month (with the highest average wind speed) is June (7.9mph).
The calmest months (with the lowest average wind speed) are January and December (5mph).
Average humidity in December
Celilo Village, OR
- Average humidity in December: 83%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (46%).
Average rainfall in December
Celilo Village, OR
- Average rainfall in December: 1.73"
The wettest month (with the highest rainfall) is January (1.93").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days in December
Celilo Village, OR
- Average rainfall days in December: 12.6 days
The month with the highest number of rainy days is March (14.3 days).
The month with the least rainy days is July (2.9 days).
Average snowfall in December
Celilo Village, OR
- Average snowfall in December: 2.09"
The month with the highest snowfall is February (2.87").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Celilo Village, OR
- Average snowfall days in December: 3.9 days
The months with the highest number of snowfall days are February and December (3.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Celilo Village, 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: 5h and 6min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in December
Celilo Village, OR
- Average sunshine days in December: 13.8 days
The month with the most sunshine days is July (27 days).
The month with the least sunshine days is February (12.3 days).
Average UV index in December
Celilo Village, 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
Celilo Village, OR
- Average cloud cover in December: 46
The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in December
Celilo Village, OR
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).





