December weather forecastManning, OR
December
Weather in December
December, the first month of the winter in Manning, is also a frosty month, with an average temperature varying between 43°F (6.1°C) and 33.1°F (0.6°C).Temperature
Manning's coldest month, December, generally records average temperatures ranging from a high of 43°F (6.1°C) to a low of 33.1°F (0.6°C).Humidity
The months with the highest humidity are February and December, with an average relative humidity of 88%.Rainfall
In Manning, during December, the rain falls for 19.4 days and regularly aggregates up to 5.39" (137mm) of precipitation. Throughout the year, there are 183.5 rainfall days, and 34.45" (875mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In Manning, Oregon, in December, during 0.7 snowfall days, 0.43" (11mm) of snow is typically accumulated. In Manning, during the entire year, snow falls for 7.1 days and aggregates up to 4.69" (119mm) of snow.Daylight
With an average of 8h and 48min of daylight, December has the shortest days of the year.On the first day of December in Manning, Oregon, sunrise is at 7:33 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:53 am and sunset at 4:38 pm PST.
Sunshine
The average sunshine in December is 3.6h.UV index
In Manning, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: During December, 2 as the daily maximum UV index converts into the following advice:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Manning, OR
- Average high temperature in December: 43°F
The warmest month (with the highest average high temperature) is August (79.3°F).
The month with the lowest average high temperature is December (43°F).
- Average low temperature in December: 33.1°F
The month with the highest average low temperature is August (53.2°F).
The coldest month (with the lowest average low temperature) is December (33.1°F).
Average pressure in December
Manning, OR
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in December
Manning, OR
- Average wind speed in December: 4.5mph
The windiest month (with the highest average wind speed) is March (4.9mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in December
Manning, OR
- Average humidity in December: 88%
The months with the highest relative humidity are February and December (88%).
The month with the lowest relative humidity is August (69%).
Average rainfall in December
Manning, OR
- Average rainfall in December: 5.39"
The wettest month (with the highest rainfall) is January (5.47").
The driest months (with the least rainfall) are July and August (0.47").
Average rainfall days in December
Manning, OR
- Average rainfall days in December: 19.4 days
The month with the highest number of rainy days is March (21.4 days).
The month with the least rainy days is August (6.2 days).
Average snowfall in December
Manning, OR
- Average snowfall in December: 0.43"
The month with the highest snowfall is February (1.54").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Manning, OR
- Average snowfall days in December: 0.7 days
The month with the highest number of snowfall days is February (2.9 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
Manning, 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: 3h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 3h and 30min).
Average sunshine days in December
Manning, OR
- Average sunshine days in December: 10.1 days
The month with the most sunshine days is August (22 days).
The month with the least sunshine days is March (7.6 days).
Average UV index in December
Manning, OR
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in December
Manning, OR
- Average cloud cover in December: 64
The month with the most cloud cover is February (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Manning, OR
- Average visibility in December: 4mi
The months with the highest visibility are July and August (6mi).
The months with the lowest visibility are January, February, March, November and December (4mi).
