December weather forecast
Sitkum, OR

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Weather in December

The first month of the winter, December, is also a frosty month in Sitkum, Oregon, with temperature in the range of an average high of 49.1°F (9.5°C) and an average low of 37.8°F (3.2°C).

Temperature

December is the coldest month of the year, registering average temperatures as high as 49.1°F (9.5°C) and as low as 37.8°F (3.2°C).

Humidity

In Sitkum, Oregon, the average relative humidity in December is 85%.

Rainfall

The month with the most rainfall is December, when the rain falls for 18 days and typically aggregates up to 5.12" (130mm) of precipitation.

Snowfall

In Sitkum, snow does not fall in April through October and December.

Daylight

December has the shortest days of the year in Sitkum, with an average of 9h and 6min of daylight.
On the first day of the month, sunrise is at 7:28 am and sunset at 4:41 pm. On the last day of December, in Sitkum, Oregon, sunrise is at 7:47 am and sunset at 4:50 pm PST.

Sunshine

January, February and December, with an average of 4.6h of sunshine, are months with the least sunshine in Sitkum.

UV index

February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Sitkum. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: In December, a daily UV index of 2 turns into the following recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
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Frequently asked questions

What month is the coldest in Sitkum?

December stands out as Sitkum's coldest month, with an average high-temperature of 49.1°F (9.5°C) and a low-temperature of 37.8°F (3.2°C).

What is the usual temperature for Sitkum in December?

In December, the average high-temperature and low-temperature in Sitkum, Oregon, are 49.1°F (9.5°C) and 37.8°F (3.2°C) respectively.

What is the average humidity in December in Sitkum?

The average relative humidity in December in Sitkum is 85%.

What is the wettest month in Sitkum?

The month with the most rainfall is December, when the rain falls for 18 days and typically aggregates up to 5.12" (130mm) of precipitation.

How much does it rain in Sitkum in December?

In Sitkum, Oregon, during December, the rain falls for 18 days and regularly aggregates up to 5.12" (130mm) of precipitation.

When it does not snow in Sitkum?

April through October and December are months without snowfall in Sitkum, Oregon.

Does it snow in Sitkum in December?

In December, in Sitkum, it doesn't snow. November is the latest month when it typically snows.

What is the month with the shortest days in Sitkum?

The month with the shortest days in Sitkum, Oregon, is December, with an average of 9h and 6min of daylight.

What is the average length of the day in December in Sitkum?

The average day length in December in Sitkum is 9h and 3min.

What time are sunrise and sunset in December in Sitkum?

On the first day of December, sunrise is at 7:28 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 4:50 pm PST.

What is the month with the least sunshine in Sitkum?

The months with the least sunshine in Sitkum, Oregon, are January, February and December, with an average of 4.6h of sunshine.

How many hours of sunshine does Sitkum have in December?

The average sunshine duration in December is 4.6h.

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

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

What is the UV index intensity in December in Sitkum?

In Sitkum, Oregon, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Sitkum, OR

Average temperature in December - Sitkum, OR
  • Average high temperature in December: 49.1°F

The warmest month (with the highest average high temperature) is August (74.1°F).
The month with the lowest average high temperature is December (49.1°F).

  • Average low temperature in December: 37.8°F

The month with the highest average low temperature is August (49.3°F).
The coldest month (with the lowest average low temperature) is February (37.4°F).

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Average pressure in December
Sitkum, OR

Average pressure in December - Sitkum, 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).

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Average wind speed in December
Sitkum, OR

Average wind speed in December - Sitkum, OR
  • Average wind speed in December: 5.7mph

The windiest month (with the highest average wind speed) is March (6.2mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

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Average humidity in December
Sitkum, OR

Average humidity in December - Sitkum, OR
  • Average humidity in December: 85%

The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are July, August and September (78%).

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Average rainfall in December
Sitkum, OR

Average rainfall in December - Sitkum, OR
  • Average rainfall in December: 5.12"

The wettest month (with the highest rainfall) is December (5.12").
The driest month (with the least rainfall) is July (0.16").

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Average rainfall days in December
Sitkum, OR

Average rainfall days in December - Sitkum, OR
  • Average rainfall days in December: 18 days

The month with the highest number of rainy days is March (19.1 days).
The month with the least rainy days is August (3.3 days).

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Average snowfall in December
Sitkum, OR

Average snowfall in December - Sitkum, OR
  • Average snowfall in December: 0"

The month with the highest snowfall is February (1.1").
The months with the least snowfall are April, May, June, July, August, September, October and December (0").

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Average snowfall days in December
Sitkum, OR

Average snowfall days in December - Sitkum, OR
  • Average snowfall days in December: 0 days

The month with the highest number of snowfall days is February (0.7 days).
The months with the least snowfall days are April, May, June, July, August, September, October and December (0 days).

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

Average daylight in December / Average sunshine in December - Sitkum, OR
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in December: 4h and 4min

The month with the most sunshine is August (Average sunshine: 11h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 4h and 36min).

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Average sunshine days in December
Sitkum, OR

Average sunshine days in December - Sitkum, OR
  • Average sunshine days in December: 12.5 days

The month with the most sunshine days is August (25.3 days).
The month with the least sunshine days is February (10.5 days).

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Average UV index in December
Sitkum, OR

Average UV index in December - Sitkum, OR
  • Average UV index in December: 2

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are February, November and December (UV index 2).

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Average cloud cover in December
Sitkum, OR

Average cloud cover in December - Sitkum, OR
  • Average cloud cover in December: 51

The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 31).

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Average visibility in December
Sitkum, OR

Average visibility in December - Sitkum, OR
  • Average visibility in December: 5mi

The months with the highest visibility are January, February, March, April, May, October, November and December (5mi).
The months with the lowest visibility are June, July, August and September (4mi).

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Sitkum, Oregon, USA

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