Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average sea temperature in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December, recording an average high temperature of 43.2°F (6.2°C) and a low temperature of 36.3°F (2.4°C), is Port Gamble's coldest month.Humidity
January and December, with an average relative humidity of 85%, are the most humid months.Rainfall
In Port Gamble, in December, it is raining for 17.7 days, with typically 3.23" (82mm) of accumulated precipitation. Throughout the year, in Port Gamble, there are 179.1 rainfall days, and 24.57" (624mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Port Gamble, during December, snow falls for 1 days and regularly aggregates up to 0.24" (6mm) of snow. Throughout the year, there are 7.7 snowfall days, and 4.25" (108mm) of snow is accumulated.Ocean temperature
In Port Gamble, the average seawater temperature in December is 46.6°F (8.1°C).Note: Unprotected swimming in 46.6°F (8.1°C) is dangerous due to potential cold shock. Especially when temperatures go below 50°F (10°C), leading to hyperventilation.
Daylight
December has the shortest days of the year, with an average of 8h and 30min of daylight.On the first day of the month, sunrise is at 7:39 am and sunset at 4:19 pm. On the last day of December, sunrise is at 7:59 am and sunset at 4:28 pm PST.
Sunshine
January and December, with an average of 4.8h of sunshine, are months with the least 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 of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 2 in December leads to these recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. To guard against the harmful effects of the Sun, minimize exposure during midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
How cold does it get in December?
What are the most humid months?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the water temperature in December?
What is the month with the shortest days?
How many hours of daylight does Port Gamble have in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December in Port Gamble?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Port Gamble, 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 Gamble, 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 Gamble, 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 Gamble, 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 Gamble, 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 Gamble, 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 Gamble, 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 Gamble, 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 Gamble, 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 Gamble, 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 Gamble, 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 Gamble, 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 Gamble, 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 Gamble, 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 Gamble, Washington, USA
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