December weather forecast
Clallam Bay, WA

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Weather in December

December, the first month of the winter in Clallam Bay, is also a wintry month, with an average temperature fluctuating between 36.3°F (2.4°C) and 42.4°F (5.8°C).

Temperature

Clallam Bay's coldest weather arrives in December, when temperatures average a high of 42.4°F (5.8°C) and a low of 36.3°F (2.4°C).

Humidity

January and December, with an average relative humidity of 87%, are the most humid months in Clallam Bay.

Rainfall

In Clallam Bay, in December, it is raining for 15.9 days, with typically 3.27" (83mm) of accumulated precipitation. In Clallam Bay, during the entire year, the rain falls for 142.6 days and collects up to 19.61" (498mm) of precipitation.

Snowfall

January through April, September and December are months with snowfall in Clallam Bay. December is the first month it typically snows in Clallam Bay, Washington. Throughout December, in the average 0.8 snowfall days, it receives 0.12" (3mm) of snow. In Clallam Bay, during the entire year, snow falls for 5.1 days and aggregates up to 2.17" (55mm) of snow.

Daylight

With an average of 8h and 24min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:47 am and sunset at 4:25 pm. On the last day of December, in Clallam Bay, Washington, sunrise is at 8:07 am and sunset at 4:33 pm PST.

Sunshine

The average sunshine in December in Clallam Bay is 4h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Clallam Bay. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What time of the year is the coldest in Clallam Bay?

December, marked by an average high-temperature of 42.4°F (5.8°C) and a low-temperature of 36.3°F (2.4°C), is the coldest month in Clallam Bay.

Is it cold in Clallam Bay during December?

Clallam Bay in December has an average high-temperature of 42.4°F (5.8°C) and an average low-temperature of 36.3°F (2.4°C).

What is the most humid month in Clallam Bay?

The months with the highest humidity in Clallam Bay, Washington, are January and December, with an average relative humidity of 87%.

What is the average humidity in December in Clallam Bay?

In Clallam Bay, the average relative humidity in December is 87%.

How much does it rain in Clallam Bay in December?

In Clallam Bay, in December, during 15.9 rainfall days, 3.27" (83mm) of precipitation is typically accumulated.

When does it start to snow in Clallam Bay?

December is the first month it typically snows in Clallam Bay. Throughout December, in the average 0.8 snowfall days, it receives 0.12" (3mm) of snow.

What is the month with the shortest days in Clallam Bay?

With an average of 8h and 24min of daylight, December has the shortest days of the year in Clallam Bay, Washington.

What is the average length of the day in December in Clallam Bay?

In Clallam Bay, Washington, the average day length in December is 8h and 25min.

When is the sunrise / sunset in December in Clallam Bay?

In December, on the first day of the month, sunrise is at 7:47 am and sunset at 4:25 pm. On the last day of the month, sunrise is at 8:07 am and sunset at 4:33 pm PST.

How long on average sun shines in December in Clallam Bay?

In December, the average sunshine duration in Clallam Bay, Washington, is 4h.

When is the lowest UV index in Clallam Bay?

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

What is the UV index reading in December in Clallam Bay?

In Clallam Bay, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk 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
Clallam Bay, WA

Average temperature in December - Clallam Bay, WA
  • Average high temperature in December: 42.4°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 (42.4°F).

  • Average low temperature in December: 36.3°F

The month with the highest average low temperature is August (50.7°F).
The coldest month (with the lowest average low temperature) is February (36°F).

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Average pressure in December
Clallam Bay, WA

Average pressure in December - Clallam Bay, WA
  • Average pressure in December: 30.03"Hg

The month with the highest atmospheric pressure is July (30.07"Hg).
The month with the lowest atmospheric pressure is March (29.98"Hg).

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Average wind speed in December
Clallam Bay, WA

Average wind speed in December - Clallam Bay, WA
  • Average wind speed in December: 6.6mph

The windiest month (with the highest average wind speed) is January (7.4mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

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Average humidity in December
Clallam Bay, WA

Average humidity in December - Clallam Bay, WA
  • Average humidity in December: 87%

The months with the highest relative humidity are January and December (87%).
The months with the lowest relative humidity are May, July and August (80%).

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Average rainfall in December
Clallam Bay, WA

Average rainfall in December - Clallam Bay, WA
  • Average rainfall in December: 3.27"

The wettest month (with the highest rainfall) is January (3.66").
The driest month (with the least rainfall) is July (0.28").

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Average rainfall days in December
Clallam Bay, WA

Average rainfall days in December - Clallam Bay, WA
  • Average rainfall days in December: 15.9 days

The month with the highest number of rainy days is November (16.5 days).
The month with the least rainy days is August (5.1 days).

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Average snowfall in December
Clallam Bay, WA

Average snowfall in December - Clallam Bay, WA
  • Average snowfall in December: 0.12"

The month with the highest snowfall is January (1.14").
The months with the least snowfall are May, June, July, August, October and November (0").

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Average snowfall days in December
Clallam Bay, WA

Average snowfall days in December - Clallam Bay, WA
  • Average snowfall days in December: 0.8 days

The month with the highest number of snowfall days is February (1.9 days).
The months with the least snowfall days are May, June, July, August and October (0 days).

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Average daylight in December /
Average sunshine in December
Clallam Bay, WA

Average daylight in December / Average sunshine in December - Clallam Bay, WA
  • Average daylight in December: 8h and 2min

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in December: 4h and 0min

The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days in December
Clallam Bay, WA

Average sunshine days in December - Clallam Bay, WA
  • Average sunshine days in December: 12.2 days

The month with the most sunshine days is July (23 days).
The month with the least sunshine days is November (11.7 days).

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Average UV index in December
Clallam Bay, WA

Average UV index in December - Clallam Bay, WA
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 4).
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
Clallam Bay, WA

Average cloud cover in December - Clallam Bay, WA
  • Average cloud cover in December: 58

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in December
Clallam Bay, WA

Average visibility in December - Clallam Bay, WA
  • Average visibility in December: 6mi

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

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Clallam Bay, Washington, USA

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