December weather forecastPort Ludlow, WA
December
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.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 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: 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: 8h and 30min
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 48min
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: 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: 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: 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: 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).
