December weather forecastRickreall, OR
December
Weather in December
December, the first month of the winter in Rickreall, is also a frosty month, with an average temperature ranging between max 44.2°F (6.8°C) and min 34°F (1.1°C).Temperature
With average high and low temperatures of 44.2°F (6.8°C) and 34°F (1.1°C) respectively, December is Rickreall's coldest month.Humidity
With an average relative humidity of 89%, December is the most humid month.Rainfall
December is the month with the most rainfall. Rain falls for 15.7 days and accumulates 2.4" (61mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In December, it is snowing for 0.5 days. Throughout December, 0.31" (8mm) of snow is accumulated. Throughout the year, there are 3.7 snowfall days, and 2.05" (52mm) 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 7:31 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 4:41 pm PST.
Sunshine
In Rickreall, the average sunshine in December is 3.9h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 2 during December translates into the following guidance:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Rickreall, OR
- Average high temperature in December: 44.2°F
The warmest month (with the highest average high temperature) is August (80.2°F).
The month with the lowest average high temperature is December (44.2°F).
- Average low temperature in December: 34°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 (34°F).
Average pressure in December
Rickreall, 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
Rickreall, OR
- Average wind speed in December: 4.6mph
The windiest month (with the highest average wind speed) is March (5mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in December
Rickreall, OR
- Average humidity in December: 89%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (69%).
Average rainfall in December
Rickreall, OR
- Average rainfall in December: 2.4"
The wettest month (with the highest rainfall) is December (2.4").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in December
Rickreall, OR
- Average rainfall days in December: 15.7 days
The month with the highest number of rainy days is March (17.4 days).
The month with the least rainy days is August (3.9 days).
Average snowfall in December
Rickreall, OR
- Average snowfall in December: 0.31"
The month with the highest snowfall is February (1.18").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Rickreall, OR
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is February (1.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Rickreall, OR
- Average daylight in December: 8h and 48min
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 48min).
- Average sunshine in December: 3h and 54min
The months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in December
Rickreall, OR
- Average sunshine days in December: 14 days
The month with the most sunshine days is July (26.1 days).
The month with the least sunshine days is March (11.6 days).
Average UV index in December
Rickreall, 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
Rickreall, OR
- Average cloud cover in December: 61
The month with the most cloud cover is February (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in December
Rickreall, OR
- Average visibility in December: 4mi
The months with the highest visibility are May, June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).
