December weather forecast
Shaniko, OR

Weather in December

December, the first month of the winter, in Shaniko, is also a wintry month, with average temperature varying between 26.2°F (-3.2°C) and 37.9°F (3.3°C).

Temperature

The coldest month is December, with an average high-temperature of 37.9°F (3.3°C) and an average low-temperature of 26.2°F (-3.2°C).

Humidity

The most humid month in Shaniko, Oregon, is December, with an average relative humidity of 81%.

Rainfall

The month with the most rainfall in Shaniko is December when the rain falls for 12.4 days and typically aggregates up to 1.69" (43mm) of precipitation.

Snowfall

January through May, September, November and December are months with snowfall. In December, it is snowing for 9.1 days. Throughout December, 3.94" (100mm) of snow is accumulated. Throughout the year, there are 35.3 snowfall days, and 17.6" (447mm) of snow is accumulated.

Daylight

With an average of 8.8h of daylight, December has the shortest days of the year in Shaniko.

Sunshine

December has the least sunshine of the year in Shaniko, Oregon, with an average of 5.3h of sunshine.

UV index

In Shaniko, Oregon, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to the UV radiation for ordinary individuals.
Note: In December, the average maximum UV index of 2 translate into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the coldest month in Shaniko?

The coldest month in Shaniko is December, with an average high-temperature of 37.9°F (3.3°C) and an average low-temperature of 26.2°F (-3.2°C).

What is the most humid month in Shaniko?

December is the most humid month in Shaniko, with an average relative humidity of 81%.

What is the average humidity in December in Shaniko?

In Shaniko, the average relative humidity in December is 81%.

What is the rainiest month in Shaniko?

The month with the most rainfall is December when the rain falls for 12.4 days and typically aggregates up to 1.69" (43mm) of precipitation.

How many days does it rain in December in Shaniko?

In Shaniko, Oregon, in December, during 12.4 rainfall days, 1.69" (43mm) of precipitation is typically accumulated.

How many days does it snow in December in Shaniko?

In December, it is snowing for 9.1 days. Throughout December, 3.94" (100mm) of snow is accumulated.

What is the month with the shortest days in Shaniko?

December has the shortest days of the year in Shaniko, Oregon, with an average of 8.8h of daylight.

How many hours of daylight does Shaniko have in December?

In December, the average length of the day is 8.8h.

What is the month with the least sunshine in Shaniko?

With an average of 5.3h of sunshine, December has the least sunshine of the year.

How many hours of sunshine does Shaniko have in December?

The average sunshine in December in Shaniko, Oregon, is 5.3h.

How high is the UV index in December in Shaniko?

In December, the average daily maximum UV index in Shaniko is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from unprotected exposure to the UV radiation.

Average temperature in December
Shaniko, OR

Average temperature in December - Shaniko, OR
  • Average high temperature in December: 37.9°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is December (37.9°F).

  • Average low temperature in December: 26.2°F

The month with the highest average low temperature is August (54°F).
The coldest month (with the lowest average low temperature) is December (26.2°F).

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Average pressure in December
Shaniko, OR

Average pressure in December - Shaniko, OR
  • Average pressure in December: 30.15"

The month with the highest atmospheric pressure is January (30.17").
The month with the lowest atmospheric pressure is August (29.96").

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Average wind speed in December
Shaniko, OR

Average wind speed in December - Shaniko, OR
  • Average wind speed in December: 6mph

The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in December
Shaniko, OR

Average humidity in December - Shaniko, OR
  • Average humidity in December: 81%

The month with the highest relative humidity is December (81%).
Months with the lowest relative humidity are July and August (48%).

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Average rainfall in December
Shaniko, OR

Average rainfall in December - Shaniko, OR
  • 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 (0.2").

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Average rainfall days in December
Shaniko, OR

Average rainfall days in December - Shaniko, OR
  • Average rainfall days in December: 12.4 days

The month with the highest number of rainy days is March (15.3 days).
The month with the least rainy days is July (3 days).

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Average snowfall in December
Shaniko, OR

Average snowfall in December - Shaniko, OR
  • Average snowfall in December: 3.94"

The month with the highest snowfall is February (5.55").
Months with the least snowfall are June, July, August and October (0").

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Average snowfall days in December
Shaniko, OR

Average snowfall days in December - Shaniko, OR
  • Average snowfall days in December: 9.1 days

The month with the highest number of snowfall days is December (9.1 days).
Months with the least snowfall days are June, July and August (0 days).

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

Average daylight in December / Average sunshine in December - Shaniko, OR
  • Average daylight in December: 8.8h

The month with the longest days is June (Average daylight: 15.6h).
The month with the shortest days is December (Average daylight: 8.8h).

  • Average sunshine in December: 5.3h

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 5.3h).

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Average sunshine days in December
Shaniko, OR

Average sunshine days in December - Shaniko, OR
  • Average sunshine days in December: 13 days

The month with the most sunshine days is July (26 days).
The month with the least sunshine days is February (10.9 days).

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Average UV index in December
Shaniko, OR

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

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).

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Average cloud cover in December
Shaniko, OR

Average cloud cover in December - Shaniko, OR
  • Average cloud cover in December: 46

The month with the most cloud cover is December (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 9).

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Average visibility in December
Shaniko, OR

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

Months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
Months with the lowest visibility are January and December (5mi).

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