December weather forecast
Silverdale, WA

Weather in December

December, the first month of the winter, in Silverdale, is also a frosty month, with average temperature fluctuating between 42.8°F (6°C) and 35.2°F (1.8°C).

Temperature

December is the coldest month, with an average high-temperature of 42.8°F (6°C) and an average low-temperature of 35.2°F (1.8°C).

Humidity

The most humid month is December, with an average relative humidity of 87%.

Rainfall

In Silverdale, during December, the rain falls for 18.8 days and regularly aggregates up to 3.94" (100mm) of precipitation. Throughout the year, in Silverdale, there are 180.4 rainfall days, and 26.93" (684mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. In Silverdale, snow falls for 1.1 days, with typically accumulated 0.28" (7mm) of snow. In Silverdale, during the entire year, snow falls for 8.1 days, and aggregates up to 4.69" (119mm) of snow.

Ocean temperature

In December, the average ocean temperature in Silverdale is 46.6°F (8.1°C).
Note: Swimming in 46.6°F (8.1°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

The month with the shortest days is December, with an average of 8.5h of daylight.

Sunshine

Months with the least sunshine in Silverdale are January and December, with an average of 4.6h of sunshine.

UV index

Months with the lowest UV index in Silverdale are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 2 transform into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the coldest month in Silverdale?

December is the coldest month in Silverdale, with an average high-temperature of 42.8°F (6°C) and an average low-temperature of 35.2°F (1.8°C).

What is the most humid month in Silverdale?

The most humid month in Silverdale is December, with an average relative humidity of 87%.

What is the average humidity in December in Silverdale?

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

How many days does it rain in December in Silverdale?

In Silverdale, in December, during 18.8 rainfall days, 3.94" (100mm) of precipitation is typically accumulated.

How many days does it snow in December in Silverdale?

In Silverdale, Washington, in December, snow falls for 1.1 days, with typically accumulated 0.28" (7mm) of snow.

How cold is the water in December in Silverdale?

In Silverdale, in December, the average water temperature is 46.6°F (8.1°C). Swimming in 46.6°F (8.1°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 Silverdale?

With an average of 8.5h of daylight, December has the shortest days of the year in Silverdale, Washington.

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

In Silverdale, the average length of the day in December is 8.5h.

What is the month with the least sunshine in Silverdale?

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

How many hours of sunshine does Silverdale have in December?

In Silverdale, the average sunshine in December is 4.6h.

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

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

How high is the UV index in December in Silverdale?

In Silverdale, Washington, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from the exposure to the Sun's UV rays.

Average temperature in December
Silverdale, WA

Average temperature in December - Silverdale, WA
  • Average high temperature in December: 42.8°F

The warmest month (with the highest average high temperature) is August (75.7°F).
The month with the lowest average high temperature is December (42.8°F).

  • Average low temperature in December: 35.2°F

The month with the highest average low temperature is August (54.1°F).
The coldest month (with the lowest average low temperature) is December (35.2°F).

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Average pressure in December
Silverdale, WA

Average pressure in December - Silverdale, WA
  • Average pressure in December: 30.07"

The month with the highest atmospheric pressure is January (30.09").
Months with the lowest atmospheric pressure are March and September (30.01").

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Average wind speed in December
Silverdale, WA

Average wind speed in December - Silverdale, WA
  • Average wind speed in December: 4.7mph

The windiest month (with the highest average wind speed) is March (5.3mph).
The calmest months (with the lowest average wind speed) are July and August (3.2mph).

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Average humidity in December
Silverdale, WA

Average humidity in December - Silverdale, WA
  • Average humidity in December: 87%

The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is July (70%).

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Average rainfall in December
Silverdale, WA

Average rainfall in December - Silverdale, WA
  • Average rainfall in December: 3.94"

The wettest month (with the highest rainfall) is January (4.33").
The driest month (with the least rainfall) is July (0.39").

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Average rainfall days in December
Silverdale, WA

Average rainfall days in December - Silverdale, WA
  • Average rainfall days in December: 18.8 days

The month with the highest number of rainy days is March (20.1 days).
The month with the least rainy days is August (6.1 days).

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Average snowfall in December
Silverdale, WA

Average snowfall in December - Silverdale, WA
  • Average snowfall in December: 0.28"

The month with the highest snowfall is February (2.4").
Months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Silverdale, WA

Average snowfall days in December - Silverdale, WA
  • Average snowfall days in December: 1.1 days

The month with the highest number of snowfall days is February (3.1 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average sea temperature in December
Silverdale, WA

Average sea temperature in December - Silverdale, WA
  • Average sea temperature in December: 46.6°F

The best month for swimming (with the highest average sea temperature) is August (53.2°F).
The coldest month (with the lowest average sea temperature) is February (45.3°F).

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Average daylight in December /
Average sunshine in December
Silverdale, WA

Average daylight in December / Average sunshine in December - Silverdale, WA
  • Average daylight in December: 8.5h

The month with the longest days is June (Average daylight: 15.9h).
The month with the shortest days is December (Average daylight: 8.5h).

  • Average sunshine in December: 4.6h

The month with the most sunshine is August (Average sunshine: 10.9h).
Months with the least sunshine are January and December (Average sunshine: 4.6).

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Average sunshine days in December
Silverdale, WA

Average sunshine days in December - Silverdale, WA
  • Average sunshine days in December: 10 days

The month with the most sunshine days is August (21.8 days).
The month with the least sunshine days is February (8.7 days).

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Average UV index in December
Silverdale, WA

Average UV index in December - Silverdale, WA
  • Average UV index in December: 2

Months with the highest UV index are June and July (UV index 5).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in December
Silverdale, WA

Average cloud cover in December - Silverdale, WA
  • Average cloud cover in December: 53

Months with the most cloud cover are January and December (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 23).

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Average visibility in December
Silverdale, WA

Average visibility in December - Silverdale, WA
  • Average visibility in December: 5mi

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

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