December weather forecastCanby, CA
December
Weather in December
The first month of the winter, December, is also a wintry month in Canby, California, with an average temperature ranging between max 36.5°F (2.5°C) and min 23.2°F (-4.9°C).Temperature
The month of December, characterized by an average high of 36.5°F (2.5°C) and a low of 23.2°F (-4.9°C), is recognized as the coldest.Humidity
The months with the highest humidity are January and December, with an average relative humidity of 79%.Rainfall
December is the month with the most rainfall. Rain falls for 8.1 days and accumulates 1.69" (43mm) of precipitation.Snowfall
Months with snowfall are January through June, September through December. The month with the most snowfall is December, when snow falls for 12.4 days and typically aggregates up to 8.27" (210mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 7:11 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:44 pm PST.
Sunshine
With an average of 5.4h of sunshine, December has the least sunshine of the year.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 value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In December, the maximum UV index of 2 transforms into these recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. 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, CA
- Average high temperature in December: 36.5°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is December (36.5°F).
- Average low temperature in December: 23.2°F
The month with the highest average low temperature is July (52.5°F).
The coldest month (with the lowest average low temperature) is December (23.2°F).
Average pressure in December
Canby, CA
- 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 June (29.92"Hg).
Average wind speed in December
Canby, CA
- Average wind speed in December: 7.1mph
The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in December
Canby, CA
- Average humidity in December: 79%
The months with the highest relative humidity are January and December (79%).
The month with the lowest relative humidity is August (34%).
Average rainfall in December
Canby, CA
- Average rainfall in December: 1.69"
The wettest month (with the highest rainfall) is December (1.69").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in December
Canby, CA
- Average rainfall days in December: 8.1 days
The month with the highest number of rainy days is March (11.5 days).
The month with the least rainy days is July (2.5 days).
Average snowfall in December
Canby, CA
- Average snowfall in December: 8.27"
The month with the highest snowfall is December (8.27").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Canby, CA
- Average snowfall days in December: 12.4 days
The month with the highest number of snowfall days is December (12.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Canby, CA
- Average daylight in December: 9h and 12min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 5h and 24min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Canby, CA
- Average sunshine days in December: 14.8 days
The months with the most sunshine days are July and August (26.3 days).
The month with the least sunshine days is March (13.2 days).
Average UV index in December
Canby, CA
- Average UV index in December: 2
The months with the highest UV index are June and 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
Canby, CA
- Average cloud cover in December: 43
The months with the most cloud cover are March and December (Cloud cover 43).
The months with the least cloud cover are July and August (Cloud cover 8).
Average visibility in December
Canby, CA
- Average visibility in December: 5mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).
