December weather forecastAshwood, OR
December
Weather in December
The first month of the winter, December, is also an icy month in Ashwood, Oregon, with an average temperature fluctuating between 37.9°F (3.3°C) and 26.2°F (-3.2°C).Temperature
Ashwood records the coldest temperatures in December, averaging a high of 37.9°F (3.3°C) and a low of 26.2°F (-3.2°C).Humidity
The most humid month is December, with an average relative humidity of 81%.Rainfall
The month with the most rainfall is December, when the rain falls for 12.4 days and typically aggregates up to 1.69" (43mm) of precipitation.Snowfall
January through May, September, November and December are months with snowfall. In December, it is snowing for 9.1 days. Throughout December, 3.94" (100mm) of snow is accumulated. Throughout the year, there are 35.3 snowfall days, and 17.6" (447mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 54min of daylight.On the first day of the month, sunrise is at 7:20 am and sunset at 4:23 pm. On the last day of December, sunrise is at 7:40 am and sunset at 4:32 pm PST.
Sunshine
December has the least sunshine of the year, with an average of 5.3h of sunshine.UV index
In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.Note: The UV index of 2 during December leads to these advisories:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ashwood, OR
- Average high temperature in December: 37.9°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is December (37.9°F).
- Average low temperature in December: 26.2°F
The month with the highest average low temperature is August (54°F).
The coldest month (with the lowest average low temperature) is December (26.2°F).
Average pressure in December
Ashwood, OR
- Average pressure in December: 30.15"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is August (29.96"Hg).
Average wind speed in December
Ashwood, OR
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Ashwood, OR
- Average humidity in December: 81%
The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are July and August (48%).
Average rainfall in December
Ashwood, OR
- Average rainfall in December: 1.69"
The wettest month (with the highest rainfall) is December (1.69").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days in December
Ashwood, OR
- Average rainfall days in December: 12.4 days
The month with the highest number of rainy days is March (15.3 days).
The month with the least rainy days is July (3 days).
Average snowfall in December
Ashwood, OR
- Average snowfall in December: 3.94"
The month with the highest snowfall is February (5.55").
The months with the least snowfall are June, July, August and October (0").
Average snowfall days in December
Ashwood, OR
- Average snowfall days in December: 9.1 days
The month with the highest number of snowfall days is December (9.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Ashwood, OR
- Average daylight in December: 8h and 54min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 5h and 18min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in December
Ashwood, OR
- Average sunshine days in December: 13 days
The month with the most sunshine days is July (26 days).
The month with the least sunshine days is February (10.9 days).
Average UV index in December
Ashwood, OR
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in December
Ashwood, OR
- Average cloud cover in December: 46
The month with the most cloud cover is December (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in December
Ashwood, OR
- Average visibility in December: 5mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).
