December weather forecastEstacada, OR
December
Weather in December
December, the first month of the winter in Estacada, is also a wintry month, with an average temperature varying between 32.4°F (0.2°C) and 41.9°F (5.5°C).Temperature
December, marked by an average high-temperature of 41.9°F (5.5°C) and a low-temperature of 32.4°F (0.2°C), is the coldest month.Humidity
The average relative humidity in December is 84%.Rainfall
The month with the most rainfall is December, when the rain falls for 18.3 days and typically aggregates up to 5.67" (144mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Estacada, in December, snow falls for 1.7 days, with typically accumulated 1.06" (27mm) of snow. In Estacada, during the entire year, snow falls for 14.7 days and aggregates up to 12.56" (319mm) of snow.Daylight
December has the shortest days of the year, with an average of 8h and 48min of daylight.On the first day of December in Estacada, Oregon, 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
In December, the average sunshine is 4.3h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Estacada, 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
Estacada, 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
Estacada, 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
Estacada, 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
Estacada, 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
Estacada, 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
Estacada, 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
Estacada, 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
Estacada, 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
Estacada, 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
Estacada, 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
Estacada, 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
Estacada, 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).





