December weather forecastCanby, OR
December
Weather in December
December rounds off the year in Canby, Oregon, with cold weather, short days and light snowfall. The temperatures vary from 35.1°F (1.7°C) to 44.2°F (6.8°C), symbolizing the full onset of the winter season. The month boasts higher rainfall, recording 4.49" (114mm) second only to January, with an added sprinkling of snowfall marking both the end and the beginning of the year. The insignificantly shorter daylight hours add to the wintery feel of the month. Thus, December’s weather exhibits a prevailing winter scenario with a mix of rain and snow showers.Temperature
December, with its high-temperature average of 44.2°F (6.8°C) and a low-temperature average of 34.3°F (1.3°C), is the coldest month.Humidity
The months with the highest humidity are January, February and December, with an average relative humidity of 85%.Rainfall
December is the month with the most rainfall. Rain falls for 19.4 days and accumulates 4.49" (114mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In Canby, in December, snow falls for 0.8 days, with typically accumulated 0.47" (12mm) of snow. In Canby, during the entire year, snow falls for 6.1 days and aggregates up to 3.66" (93mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 48min of daylight.On the first day of the month, sunrise is at 7:30 am and sunset at 4:29 pm. On the last day of December, sunrise is at 7:49 am and sunset at 4:38 pm PST.
Sunshine
In Canby, the average sunshine in December is 4.3h.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 estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: A maximum high daily UV index of 2 during December translates into the following directions:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Canby, OR
- Average high temperature in December: 44.2°F
The warmest month (with the highest average high temperature) is August (81°F).
The month with the lowest average high temperature is December (44.2°F).
- Average low temperature in December: 34.3°F
The month with the highest average low temperature is August (54°F).
The coldest month (with the lowest average low temperature) is December (34.3°F).
Average pressure in December
Canby, OR
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in December
Canby, OR
- Average wind speed in December: 5.3mph
The windiest months (with the highest average wind speed) are January and February (5.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in December
Canby, OR
- Average humidity in December: 85%
The months with the highest relative humidity are January, February and December (85%).
The month with the lowest relative humidity is August (65%).
Average rainfall in December
Canby, OR
- Average rainfall in December: 4.49"
The wettest month (with the highest rainfall) is December (4.49").
The driest months (with the least rainfall) are July and August (0.31").
Average rainfall days in December
Canby, OR
- Average rainfall days in December: 19.4 days
The month with the highest number of rainy days is March (20.9 days).
The months with the least rainy days are July and August (4.4 days).
Average snowfall in December
Canby, OR
- Average snowfall in December: 0.47"
The month with the highest snowfall is February (1.26").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Canby, OR
- Average snowfall days in December: 0.8 days
The month with the highest number of snowfall days is February (2.1 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
Canby, 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: 4h and 18min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in December
Canby, OR
- Average sunshine days in December: 10.8 days
The month with the most sunshine days is July (25 days).
The month with the least sunshine days is March (8.3 days).
Average UV index in December
Canby, 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, November and December (UV index 2).
Average cloud cover in December
Canby, OR
- Average cloud cover in December: 55
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in December
Canby, OR
- Average visibility in December: 5mi
The months with the highest visibility are July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, May, June, October, November and December (5mi).
