December weather forecast
Port Ludlow, WA

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Weather in December

December, the first month of the winter in Port Ludlow, is still a chilly month, with temperature in the range of an average low of 36.3°F (2.4°C) and an average high of 43.2°F (6.2°C).

Temperature

December is the month that records the lowest temperatures, with averages ranging from a high of 43.2°F (6.2°C) to a low of 36.3°F (2.4°C).

Humidity

January and December, with an average relative humidity of 85%, are the most humid months.

Rainfall

In Port Ludlow, during December, the rain falls for 17.7 days and regularly aggregates up to 3.23" (82mm) of precipitation. In Port Ludlow, during the entire year, the rain falls for 179.1 days and collects up to 24.57" (624mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In Port Ludlow, in December, during 1 snowfall days, 0.24" (6mm) of snow is typically accumulated. Throughout the year, there are 7.7 snowfall days, and 4.25" (108mm) of snow is accumulated.

Ocean temperature

In December, the average ocean temperature is 46.6°F (8.1°C).
Note: In 46.6°F (8.1°C), even brief exposure to 55.4°F (13°C) feels biting, and anything less than 50°F (10°C) risks cold shock and impaired breathing, considering one's health.

Daylight

With an average of 8h and 30min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:40 am and sunset at 4:20 pm. On the last day of December, in Port Ludlow, sunrise is at 8:00 am and sunset at 4:28 pm PST.

Sunshine

The months with the least sunshine in Port Ludlow, Washington, are January and December, with an average of 4.8h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, the maximum UV index of 2 transforms into these recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest in Port Ludlow?

Port Ludlow's temperature records reveal December as the coldest month, marked by average highs of 43.2°F (6.2°C) and lows of 36.3°F (2.4°C).

Is December cold in Port Ludlow?

The high-temperature, in December, in Port Ludlow, is 43.2°F (6.2°C), while the low-temperature averages to 36.3°F (2.4°C).

What is the most humid month in Port Ludlow?

The months with the highest humidity in Port Ludlow, Washington, are January and December, with an average relative humidity of 85%.

What is the average humidity in December in Port Ludlow?

In Port Ludlow, the average relative humidity in December is 85%.

How much does it rain in Port Ludlow in December?

In Port Ludlow, in December, during 17.7 rainfall days, 3.23" (82mm) of precipitation is typically accumulated.

How much does it snow in Port Ludlow in December?

In Port Ludlow, in December, snow falls for 1 days, with typically accumulated 0.24" (6mm) of snow.

How cold is the water in December in Port Ludlow?

In December, the average ocean temperature in Port Ludlow 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 Port Ludlow?

With an average of 8h and 30min of daylight, December has the shortest days of the year in Port Ludlow.

How many hours of daylight does Port Ludlow have in December?

In Port Ludlow, the average day length in December is 8h and 28min.

When are sunrise and sunset in December in Port Ludlow?

On the first day of December in Port Ludlow, Washington, sunrise is at 7:40 am and sunset at 4:20 pm. On the last day of the month, sunrise is at 8:00 am and sunset at 4:28 pm PST.

What are the months with the least sunshine in Port Ludlow?

January and December, with an average of 4.8h of sunshine, are months with the least sunshine in Port Ludlow, Washington.

How long on average sun shines in December in Port Ludlow?

In Port Ludlow, the average sunshine duration in December is 4.8h.

When is the lowest UV index in Port Ludlow?

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

How high is the UV index in December in Port Ludlow?

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

Average temperature in December - Port Ludlow, WA
  • Average high temperature in December: 43.2°F

The warmest month (with the highest average high temperature) is August (73.6°F).
The month with the lowest average high temperature is December (43.2°F).

  • Average low temperature in December: 36.3°F

The month with the highest average low temperature is August (54.9°F).
The coldest month (with the lowest average low temperature) is February (36.1°F).

Average pressure in December
Port Ludlow, WA

Average pressure in December - Port Ludlow, WA
  • Average pressure in December: 30.07"Hg

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

Average wind speed in December
Port Ludlow, WA

Average wind speed in December - Port Ludlow, WA
  • Average wind speed in December: 5.3mph

The windiest months (with the highest average wind speed) are March and November (5.8mph).
The calmest month (with the lowest average wind speed) is August (3.4mph).

Average humidity in December
Port Ludlow, WA

Average humidity in December - Port Ludlow, WA
  • Average humidity in December: 85%

The months with the highest relative humidity are January and December (85%).
The month with the lowest relative humidity is July (71%).

Average rainfall in December
Port Ludlow, WA

Average rainfall in December - Port Ludlow, WA
  • Average rainfall in December: 3.23"

The wettest month (with the highest rainfall) is January (3.74").
The driest month (with the least rainfall) is July (0.43").

Average rainfall days in December
Port Ludlow, WA

Average rainfall days in December - Port Ludlow, WA
  • Average rainfall days in December: 17.7 days

The month with the highest number of rainy days is March (20.9 days).
The month with the least rainy days is August (6.3 days).

Average snowfall in December
Port Ludlow, WA

Average snowfall in December - Port Ludlow, WA
  • Average snowfall in December: 0.24"

The month with the highest snowfall is February (2.09").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Port Ludlow, WA

Average snowfall days in December - Port Ludlow, WA
  • Average snowfall days in December: 1 days

The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in December
Port Ludlow, WA

Average sea temperature in December - Port Ludlow, 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).

Average daylight in December /
Average sunshine in December
Port Ludlow, WA

Average daylight in December / Average sunshine in December - Port Ludlow, WA
  • Average daylight in December: 8h and 3min

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 30min).

  • Average sunshine in December: 4h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 4h and 48min).

Average sunshine days in December
Port Ludlow, WA

Average sunshine days in December - Port Ludlow, WA
  • Average sunshine days in December: 10.6 days

The month with the most sunshine days is August (21.7 days).
The month with the least sunshine days is March (7.8 days).

Average UV index in December
Port Ludlow, WA

Average UV index in December - Port Ludlow, WA
  • Average UV index in December: 2

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

Average cloud cover in December
Port Ludlow, WA

Average cloud cover in December - Port Ludlow, WA
  • Average cloud cover in December: 51

The months with the most cloud cover are January and December (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 23).

Average visibility in December
Port Ludlow, WA

Average visibility in December - Port Ludlow, WA
  • Average visibility in December: 6mi

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

Port Ludlow, Washington, USA

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