December weather forecastNorth Powder, OR
December
Weather in December
December, the first month of the winter in North Powder, is also a subzero cold month, with an average temperature varying between 31.8°F (-0.1°C) and 20.1°F (-6.6°C).Temperature
North Powder's coldest month, December, generally records average temperatures ranging from a high of 31.8°F (-0.1°C) to a low of 20.1°F (-6.6°C).Humidity
In December, the average relative humidity is 85%.Rainfall
The wettest months are February and December, with an average 2.6" (66mm) of rainfall.Snowfall
January through May, September through December are months with snowfall. In December, it is snowing for 14.7 days. Throughout December, 10.63" (270mm) of snow is accumulated. Throughout the year, there are 67 snowfall days, and 44.45" (1129mm) of snow is accumulated.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 7:10 am and sunset at 4:11 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:20 pm PST.
Sunshine
In North Powder, the average sunshine in December is 5.4h.UV index
In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 2 in December translates into these instructions:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Guard yourself! Snow reflection 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
North Powder, OR
- Average high temperature in December: 31.8°F
The warmest month (with the highest average high temperature) is August (80.1°F).
The month with the lowest average high temperature is December (31.8°F).
- Average low temperature in December: 20.1°F
The month with the highest average low temperature is August (52.3°F).
The coldest month (with the lowest average low temperature) is December (20.1°F).
Average pressure in December
North Powder, OR
- Average pressure in December: 30.19"Hg
The month with the highest atmospheric pressure is January (30.22"Hg).
The month with the lowest atmospheric pressure is August (29.92"Hg).
Average wind speed in December
North Powder, OR
- Average wind speed in December: 6.9mph
The windiest month (with the highest average wind speed) is December (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in December
North Powder, OR
- Average humidity in December: 85%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (44%).
Average rainfall in December
North Powder, OR
- Average rainfall in December: 2.6"
The wettest months (with the highest rainfall) are February and December (2.6").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in December
North Powder, OR
- Average rainfall days in December: 12.9 days
The month with the highest number of rainy days is March (18.3 days).
The month with the least rainy days is August (5.3 days).
Average snowfall in December
North Powder, OR
- Average snowfall in December: 10.63"
The month with the highest snowfall is February (10.94").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
North Powder, OR
- Average snowfall days in December: 14.7 days
The month with the highest number of snowfall days is December (14.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
North Powder, 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 24min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in December
North Powder, OR
- Average sunshine days in December: 10.7 days
The month with the most sunshine days is July (21.9 days).
The month with the least sunshine days is March (7.8 days).
Average UV index in December
North Powder, 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
North Powder, OR
- Average cloud cover in December: 46
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility in December
North Powder, OR
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).





