December weather forecastDorena, OR
December
Weather in December
The first month of the winter, December, is also a frosty month in Dorena, Oregon, with an average temperature ranging between min 33.4°F (0.8°C) and max 45.9°F (7.7°C).Temperature
December stands out as Dorena's coldest month, with an average high-temperature of 45.9°F (7.7°C) and a low-temperature of 33.4°F (0.8°C).Humidity
The average relative humidity in December in Dorena is 86%.Rainfall
December is the month with the most rainfall. Rain falls for 18.2 days and accumulates 4.61" (117mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Dorena, in December, during 0.8 snowfall days, 0.39" (10mm) of snow is typically accumulated. Throughout the year, there are 7.1 snowfall days, and 6.22" (158mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 0min of daylight.On the first day of the month, sunrise is at 7:26 am and sunset at 4:35 pm. On the last day of December, sunrise is at 7:45 am and sunset at 4:44 pm PST.
Sunshine
The months with the least sunshine are February and December, with an average of 4.2h of sunshine.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 of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum daily UV index of 2 during December morphs into the following directions:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Dorena, OR
- Average high temperature in December: 45.9°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 (45.9°F).
- Average low temperature in December: 33.4°F
The month with the highest average low temperature is August (48.7°F).
The coldest month (with the lowest average low temperature) is December (33.4°F).
Average pressure in December
Dorena, OR
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in December
Dorena, OR
- Average wind speed in December: 4.3mph
The windiest month (with the highest average wind speed) is January (4.5mph).
The calmest month (with the lowest average wind speed) is August (3.4mph).
Average humidity in December
Dorena, OR
- Average humidity in December: 86%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are July and August (70%).
Average rainfall in December
Dorena, OR
- Average rainfall in December: 4.61"
The wettest month (with the highest rainfall) is December (4.61").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days in December
Dorena, OR
- Average rainfall days in December: 18.2 days
The month with the highest number of rainy days is March (20.1 days).
The month with the least rainy days is August (3.6 days).
Average snowfall in December
Dorena, OR
- Average snowfall in December: 0.39"
The month with the highest snowfall is February (3.27").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Dorena, OR
- Average snowfall days in December: 0.8 days
The month with the highest number of snowfall days is February (2.8 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
Dorena, OR
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 4h and 12min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The months with the least sunshine are February and December (Average sunshine: 4h and 12min).
Average sunshine days in December
Dorena, OR
- Average sunshine days in December: 11.3 days
The month with the most sunshine days is July (25.8 days).
The months with the least sunshine days are February and March (9.3 days).
Average UV index in December
Dorena, OR
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Dorena, OR
- Average cloud cover in December: 57
The month with the most cloud cover is March (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in December
Dorena, OR
- Average visibility in December: 4mi
The months with the highest visibility are July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, April, May, June, November and December (4mi).





