December weather forecast
Canby, OR

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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

Canby notes the coldest temperatures in December, with a high average of 44.2°F (6.8°C) and a low of 34.3°F (1.3°C).

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

Months with snowfall are January through March, November and December. In December, it is snowing for 0.8 days. Throughout December, 0.47" (12mm) of snow is accumulated. Throughout the year, in Canby, there are 6.1 snowfall days, and 3.66" (93mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Canby, with an average of 8h and 48min of daylight.
On the first day of December in Canby, sunrise is at 7:30 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 4:38 pm PST.

Sunshine

In Canby, Oregon, the average sunshine in December is 4.3h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Canby. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, the maximum UV index of 2 transforms into these recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
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Frequently asked questions

What is the coldest time of year in Canby?

December, having an average high-temperature of 44.2°F (6.8°C) and an average low-temperature of 34.3°F (1.3°C), is the coldest month in Canby, Oregon.

Is it cold in Canby during December?

In December, the average high-temperature and low-temperature in Canby are 44.2°F (6.8°C) and 34.3°F (1.3°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in August is evaluated at 84.2°F (29°C).

What are the most humid months in Canby?

The months with the highest humidity in Canby, Oregon, are January, February and December, with an average relative humidity of 85%.

What is the average humidity in December in Canby?

The average relative humidity in December in Canby, Oregon, is 85%.

What is the wettest month in Canby?

December is the month with the most rainfall in Canby. Rain falls for 19.4 days and accumulates 4.49" (114mm) of precipitation.

How much does it rain in Canby in December?

In December, the rain falls for 19.4 days. Throughout December, 4.49" (114mm) of precipitation is accumulated.

How much does it snow in Canby in December?

In Canby, during December, snow falls for 0.8 days and regularly aggregates up to 0.47" (12mm) of snow.

What is the month with the shortest days in Canby?

With an average of 8h and 48min of daylight, December has the shortest days of the year in Canby.

How many hours of daylight does Canby have in December?

In December, the average day length in Canby, Oregon, is 8h and 49min.

When are sunrise and sunset in December in Canby?

In December, on the first day of the month, sunrise is at 7:30 am and sunset at 4:29 pm. On the last day of the month, in Canby, Oregon, sunrise is at 7:49 am and sunset at 4:38 pm PST.

How long on average sun shines in December in Canby?

In December, the average sunshine duration is 4.3h.

What is the month with the lowest UV index in Canby?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Canby, Oregon.

What is the UV index reading in December in Canby?

In Canby, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Canby, OR

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).

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Average pressure in December
Canby, OR

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).

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Average wind speed in December
Canby, OR

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).

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Average humidity in December
Canby, OR

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%).

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Average rainfall in December
Canby, OR

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").

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Average rainfall days in December
Canby, OR

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).

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Average snowfall in December
Canby, OR

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").

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Average snowfall days in December
Canby, OR

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).

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Average daylight in December /
Average sunshine in December
Canby, OR

Average daylight in December / Average sunshine in December - Canby, OR
  • Average daylight in December: 8h and 5min

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 2min

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).

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Average sunshine days in December
Canby, OR

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).

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Average UV index in December
Canby, OR

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).

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Average cloud cover in December
Canby, OR

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).

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Average visibility in December
Canby, OR

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).

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Canby, Oregon, USA

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