December weather forecast
Newport, OR

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Light waves wash to the pebbly and stony shores overlooking the high rock cliffs holding the iconic Yaquina Head Lighthouse in Newport, Oregon
Light waves wash to the pebbly and stony shores overlooking the high rock cliffs holding the iconic Yaquina Head Lighthouse in Newport, Oregon

Weather in December

December sees the full force of winter with the year’s lowest temperatures from 40.6°F (4.8°C) to 47.7°F (8.7°C), and highest rainfall levels of 3.07" (78mm). The short daylight hours significantly reduce the amount of sunshine in Newport, Oregon. Despite the steady presence of clouds, December seldom witnesses snowfall of any significant amount. The cold winds blowing at 9.4mph (15.1km/h) add an extra chill to the air, capping off the year in the shroud of winter.

Temperature

Newport witnesses the coldest weather in December, with temperatures averaging a high of 47.7°F (8.7°C) and a low of 40.6°F (4.8°C).

Humidity

February, March, November and December, with an average relative humidity of 83%, are the most humid months in Newport.

Rainfall

December is the month with the most rainfall. Rain falls for 16.5 days and accumulates 3.07" (78mm) of precipitation.

Snowfall

In Newport, snow does not fall in March through October and December.

Ocean temperature

In Newport, the average seawater temperature in December is 51.1°F (10.6°C).
Note: Taking a dip in 51.1°F (10.6°C) can be perilous. Submersion in temperatures under 50°F (10°C) triggers severe cold shock accompanied by hyperventilation.

Daylight

With an average of 8h and 54min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:33 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:53 am and sunset at 4:46 pm PST.

Sunshine

In December, the average sunshine in Newport is 4.2h.

UV index

February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Newport, Oregon. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.
Note: In December, the maximum UV index of 2 suggests this advice:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
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Frequently asked questions

What is the coldest time of year in Newport?

December, with average temperatures reaching a high of 47.7°F (8.7°C) and a low of 40.6°F (4.8°C), is the coldest month.

What is the temperature in December in Newport?

During December, Newport experiences an average high-temperature of 47.7°F (8.7°C) and a low-temperature of 40.6°F (4.8°C).

What is the most humid month in Newport?

The months with the highest humidity in Newport, Oregon, are February, March, November and December, with an average relative humidity of 83%.

What is the average humidity in December in Newport?

In Newport, Oregon, the average relative humidity in December is 83%.

What is the wettest month in Newport?

December is the month with the most rainfall. Rain falls for 16.5 days and accumulates 3.07" (78mm) of precipitation.

How much does it rain in Newport in December?

In Newport, in December, during 16.5 rainfall days, 3.07" (78mm) of precipitation is typically accumulated.

When it does not snow in Newport?

March through October and December are months without snowfall in Newport.

Does it snow in Newport in December?

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

How cold is the water in December in Newport?

In Newport, in December, the average water temperature is 51.1°F (10.6°C). Swimming in 51.1°F (10.6°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

What is the month with the shortest days in Newport?

With an average of 8h and 54min of daylight, December has the shortest days of the year.

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

The average day length in December in Newport, Oregon, is 8h and 53min.

When are sunrise and sunset in December in Newport?

On the first day of December in Newport, Oregon, sunrise is at 7:33 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:53 am and sunset at 4:46 pm PST.

How long on average sun shines in December in Newport?

The average sunshine duration in December in Newport, Oregon, is 4.2h.

What are the months with the lowest UV index in Newport?

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

What is the UV index intensity in December in Newport?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health 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
Newport, OR

Average temperature in December - Newport, OR
  • Average high temperature in December: 47.7°F

The warmest month (with the highest average high temperature) is August (67.6°F).
The month with the lowest average high temperature is December (47.7°F).

  • Average low temperature in December: 40.6°F

The month with the highest average low temperature is August (53.6°F).
The coldest month (with the lowest average low temperature) is December (40.6°F).

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Average pressure in December
Newport, OR

Average pressure in December - Newport, OR
  • Average pressure in December: 30.07"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is September (30.02"Hg).

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Average wind speed in December
Newport, OR

Average wind speed in December - Newport, OR
  • Average wind speed in December: 9.4mph

The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

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Average humidity in December
Newport, OR

Average humidity in December - Newport, OR
  • Average humidity in December: 83%

The months with the highest relative humidity are February, March, November and December (83%).
The months with the lowest relative humidity are April, May, July, September and October (81%).

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Average rainfall in December
Newport, OR

Average rainfall in December - Newport, OR
  • Average rainfall in December: 3.07"

The wettest month (with the highest rainfall) is December (3.07").
The driest month (with the least rainfall) is July (0.16").

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Average rainfall days in December
Newport, OR

Average rainfall days in December - Newport, OR
  • Average rainfall days in December: 16.5 days

The month with the highest number of rainy days is March (18.2 days).
The month with the least rainy days is August (3.7 days).

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Average snowfall in December
Newport, OR

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

The month with the highest snowfall is February (0.28").
The months with the least snowfall are March, April, May, June, July, August, September, October and December (0").

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Average snowfall days in December
Newport, OR

Average snowfall days in December - Newport, OR
  • Average snowfall days in December: 0.1 days

The month with the highest number of snowfall days is February (0.9 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).

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Average sea temperature in December
Newport, OR

Average sea temperature in December - Newport, OR
  • Average sea temperature in December: 51°F

The best month for swimming (with the highest average sea temperature) is July (57.6°F).
The coldest month (with the lowest average sea temperature) is February (49.4°F).

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

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

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in December: 4h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and February (Average sunshine: 4h and 0min).

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Average sunshine days in December
Newport, OR

Average sunshine days in December - Newport, OR
  • Average sunshine days in December: 11.8 days

The month with the most sunshine days is July (25.8 days).
The month with the least sunshine days is March (10.9 days).

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Average UV index in December
Newport, OR

Average UV index in December - Newport, 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
Newport, OR

Average cloud cover in December - Newport, OR
  • Average cloud cover in December: 56

The months with the most cloud cover are February and March (Cloud cover 59).
The month with the least cloud cover is July (Cloud cover 29).

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Average visibility in December
Newport, OR

Average visibility in December - Newport, OR
  • Average visibility in December: 6mi

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

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Newport, Oregon, USA

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