December weather forecastMitchell, OR
December
Weather in December
The first month of the winter, December, is also a wintry month in Mitchell, Oregon, with an average temperature fluctuating between 21.9°F (-5.6°C) and 33.6°F (0.9°C).Temperature
Mitchell's coldest weather arrives in December, when temperatures average a high of 33.6°F (0.9°C) and a low of 21.9°F (-5.6°C).Humidity
With an average relative humidity of 84%, December is the most humid month.Rainfall
In Mitchell, in December, it is raining for 5.4 days, with typically 0.91" (23mm) of accumulated precipitation. In Mitchell, during the entire year, the rain falls for 96.3 days and collects up to 10.75" (273mm) of precipitation.Snowfall
January through June, September through December are months with snowfall. In Mitchell, during December, snow falls for 11.7 days and regularly aggregates up to 4.37" (111mm) of snow. Throughout the year, there are 59.1 snowfall days, and 23.58" (599mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 8h and 54min of daylight.On the first day of the month, sunrise is at 7:17 am and sunset at 4:21 pm. On the last day of December, sunrise is at 7:37 am and sunset at 4:30 pm PST.
Sunshine
In Mitchell, the average sunshine in December is 5.2h.UV index
January through March, 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 low health risk from exposure to the Sun's UV radiation for average individuals.Note: A maximum UV index of 2 in December translates into the following recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mitchell, OR
- Average high temperature in December: 33.6°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is December (33.6°F).
- Average low temperature in December: 21.9°F
The month with the highest average low temperature is August (54.3°F).
The coldest month (with the lowest average low temperature) is December (21.9°F).
Average pressure in December
Mitchell, OR
- Average pressure in December: 30.18"Hg
The month with the highest atmospheric pressure is January (30.21"Hg).
The month with the lowest atmospheric pressure is August (29.95"Hg).
Average wind speed in December
Mitchell, OR
- Average wind speed in December: 7.1mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in December
Mitchell, OR
- Average humidity in December: 84%
The month with the highest relative humidity is December (84%).
The months with the lowest relative humidity are July and August (41%).
Average rainfall in December
Mitchell, OR
- Average rainfall in December: 0.91"
The wettest month (with the highest rainfall) is April (1.38").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in December
Mitchell, OR
- Average rainfall days in December: 5.4 days
The month with the highest number of rainy days is May (14.5 days).
The month with the least rainy days is August (4.8 days).
Average snowfall in December
Mitchell, OR
- Average snowfall in December: 4.37"
The month with the highest snowfall is February (4.53").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Mitchell, OR
- Average snowfall days in December: 11.7 days
The month with the highest number of snowfall days is December (11.7 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Mitchell, 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 12min
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 6min).
Average sunshine days in December
Mitchell, OR
- Average sunshine days in December: 17.4 days
The month with the most sunshine days is July (22.8 days).
The months with the least sunshine days are March and April (13.3 days).
Average UV index in December
Mitchell, 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, March, November and December (UV index 2).
Average cloud cover in December
Mitchell, OR
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility in December
Mitchell, 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).





