December weather forecast
Gearhart, OR

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Weather in December

The first month of the winter, December, is also a frosty month in Gearhart, Oregon, with an average temperature fluctuating between 46.6°F (8.1°C) and 40.5°F (4.7°C).

Temperature

Gearhart's December weather reaches an average high of 46.6°F (8.1°C) and an average low of 40.5°F (4.7°C), making it the coldest month.

Humidity

January, March through May, October and December, with an average relative humidity of 81%, are the least humid months.

Rainfall

December is the month with the most rainfall. Rain falls for 20.7 days and accumulates 6.54" (166mm) of precipitation.

Snowfall

January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow. In Gearhart, during the entire year, snow falls for 2.8 days and aggregates up to 1.3" (33mm) of snow.

Ocean temperature

In December, the average ocean temperature in Gearhart is 49.6°F (9.8°C).
Note: Navigating the 49.6°F (9.8°C) at 55.4°F (13°C) is no joy, and temperatures less than 50°F (10°C) can threaten breathing and cause a chilling shock, gauging personal stamina.

Daylight

December has the shortest days of the year in Gearhart, with an average of 8h and 42min of daylight.
On the first day of December, sunrise is at 7:38 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:57 am and sunset at 4:40 pm PST.

Sunshine

The average sunshine in December in Gearhart 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 Gearhart. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the average person.
Note: The UV index of 2 during December leads to these advisories:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
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Frequently asked questions

What is the coldest time of year in Gearhart?

December is the month that records the lowest temperatures in Gearhart, with averages ranging from a high of 46.6°F (8.1°C) to a low of 40.5°F (4.7°C).

What is the average December temperature in Gearhart?

The average high-temperature and low-temperature in Gearhart during December are 46.6°F (8.1°C) and 40.5°F (4.7°C) respectively.

What are the least humid months in Gearhart?

The months with the lowest humidity in Gearhart are January, March through May, October and December, with an average relative humidity of 81%.

What is the average humidity in December in Gearhart?

The average relative humidity in December in Gearhart is 81%.

What is the rainiest month in Gearhart?

December is the month with the most rainfall in Gearhart. Rain falls for 20.7 days and accumulates 6.54" (166mm) of precipitation.

How many days does it rain in December in Gearhart?

In Gearhart, in December, it is raining for 20.7 days, with typically 6.54" (166mm) of accumulated precipitation.

When does it start snowing in Gearhart?

December is the first month it typically snows in Gearhart. Throughout December, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow.

How cold is the water in December in Gearhart?

In Gearhart, Oregon, in December, the average water temperature is 49.6°F (9.8°C). Swimming in 49.6°F (9.8°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 Gearhart?

The month with the shortest days in Gearhart is December, with an average of 8h and 42min of daylight.

How many hours of daylight does Gearhart have in December?

The average day length in December in Gearhart, Oregon, is 8h and 43min.

What time are sunrise and sunset in December in Gearhart?

On the first day of December, sunrise is at 7:38 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:57 am and sunset at 4:40 pm PST.

How long on average sun shines in December in Gearhart?

In December, the average sunshine duration is 4.2h.

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

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

What is the UV index reading in December in Gearhart?

In Gearhart, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from unprotected exposure to UV radiation.
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
Gearhart, OR

Average temperature in December - Gearhart, OR
  • Average high temperature in December: 46.6°F

The warmest month (with the highest average high temperature) is August (65.5°F).
The month with the lowest average high temperature is December (46.6°F).

  • Average low temperature in December: 40.5°F

The month with the highest average low temperature is August (55°F).
The coldest month (with the lowest average low temperature) is December (40.5°F).

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Average pressure in December
Gearhart, OR

Average pressure in December - Gearhart, OR
  • Average pressure in December: 30.06"Hg

The month with the highest atmospheric pressure is January (30.08"Hg).
The months with the lowest atmospheric pressure are March and September (30.02"Hg).

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Average wind speed in December
Gearhart, OR

Average wind speed in December - Gearhart, OR
  • Average wind speed in December: 10.5mph

The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

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Average humidity in December
Gearhart, OR

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

The month with the highest relative humidity is August (84%).
The months with the lowest relative humidity are January, March, April, May, October and December (81%).

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Average rainfall in December
Gearhart, OR

Average rainfall in December - Gearhart, OR
  • Average rainfall in December: 6.54"

The wettest month (with the highest rainfall) is December (6.54").
The driest months (with the least rainfall) are July and August (0.47").

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Average rainfall days in December
Gearhart, OR

Average rainfall days in December - Gearhart, OR
  • Average rainfall days in December: 20.7 days

The month with the highest number of rainy days is March (20.8 days).
The months with the least rainy days are July and August (7.3 days).

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Average snowfall in December
Gearhart, OR

Average snowfall in December - Gearhart, OR
  • Average snowfall in December: 0.04"

The month with the highest snowfall is February (0.59").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in December
Gearhart, OR

Average snowfall days in December - Gearhart, OR
  • Average snowfall days in December: 0.3 days

The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average sea temperature in December
Gearhart, OR

Average sea temperature in December - Gearhart, OR
  • Average sea temperature in December: 49.6°F

The best month for swimming (with the highest average sea temperature) is July (56.9°F).
The coldest month (with the lowest average sea temperature) is February (47.7°F).

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

Average daylight in December / Average sunshine in December - Gearhart, OR
  • Average daylight in December: 8h and 4min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in December: 4h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 0min).
The months with the least sunshine are January and February (Average sunshine: 3h and 54min).

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Average sunshine days in December
Gearhart, OR

Average sunshine days in December - Gearhart, OR
  • Average sunshine days in December: 8.8 days

The month with the most sunshine days is August (21.2 days).
The month with the least sunshine days is February (7.5 days).

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Average UV index in December
Gearhart, OR

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

The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are February, November and December (UV index 2).

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Average cloud cover in December
Gearhart, OR

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

The months with the most cloud cover are January and February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 35).

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Average visibility in December
Gearhart, OR

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

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

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Gearhart, Oregon, USA

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