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 is the month when Gig Harbor experiences its coldest temperatures, averaging a high of 43.7°F (6.5°C) and a low of 34.3°F (1.3°C).Humidity
January and December, with an average relative humidity of 87%, are the most humid months.Rainfall
The month with the most rainfall is December, when the rain falls for 18.4 days and typically aggregates up to 4.69" (119mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In December, it is snowing for 1.3 days. Throughout December, 0.31" (8mm) of snow is accumulated. In Gig Harbor, during the entire year, snow falls for 8.9 days and aggregates up to 5.04" (128mm) of snow.Ocean temperature
In Gig Harbor, the average seawater temperature in December is 46.9°F (8.3°C).Note: In 46.9°F (8.3°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
The month with the shortest days is December, with an average of 8h and 30min of daylight.On the first day of the month, sunrise is at 7:37 am and sunset at 4:21 pm. On the last day of December, in Gig Harbor, sunrise is at 7:57 am and sunset at 4:30 pm PST.
Sunshine
With an average of 4h of sunshine, December has the least sunshine of the year.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 health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The daily maximum UV index of 2 in December interprets into the following advice:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. When the Sun is at its strongest around midday, find shade and limit exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
Is December cold?
What are the most humid months?
What is the average humidity in December?
What is the rainiest month?
How many days 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?
What is the average length of the day 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?
What are the months with the lowest UV index?
What is the UV index reading in December in Gig Harbor?
Average temperature in December
Gig Harbor, WA
- Average high temperature in December: 43.7°F
The warmest month (with the highest average high temperature) is August (78.1°F).
The month with the lowest average high temperature is December (43.7°F).
- Average low temperature in December: 34.3°F
The month with the highest average low temperature is August (52.7°F).
The coldest months (with the lowest average low temperature) are February and December (34.3°F).
Average pressure in December
Gig Harbor, WA
- Average pressure in December: 30.08"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
Gig Harbor, WA
- Average wind speed in December: 4.6mph
The windiest month (with the highest average wind speed) is March (5.2mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in December
Gig Harbor, WA
- Average humidity in December: 87%
The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is July (68%).
Average rainfall in December
Gig Harbor, WA
- Average rainfall in December: 4.69"
The wettest month (with the highest rainfall) is December (4.69").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days in December
Gig Harbor, WA
- Average rainfall days in December: 18.4 days
The month with the highest number of rainy days is March (20.1 days).
The month with the least rainy days is August (5 days).
Average snowfall in December
Gig Harbor, WA
- Average snowfall in December: 0.31"
The month with the highest snowfall is February (2.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Gig Harbor, WA
- Average snowfall days in December: 1.3 days
The month with the highest number of snowfall days is February (3.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in December
Gig Harbor, WA
- Average sea temperature in December: 46.9°F
The best month for swimming (with the highest average sea temperature) is August (53.3°F).
The coldest month (with the lowest average sea temperature) is February (45.8°F).
Average daylight in December /
Average sunshine in December
Gig Harbor, WA
- Average daylight in December: 8h and 3min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in December: 4h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 0min).
Average sunshine days in December
Gig Harbor, WA
- Average sunshine days in December: 9.5 days
The month with the most sunshine days is August (23.4 days).
The month with the least sunshine days is February (9 days).
Average UV index in December
Gig Harbor, WA
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Gig Harbor, WA
- Average cloud cover in December: 59
The month with the most cloud cover is December (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in December
Gig Harbor, WA
- Average visibility in December: 5mi
The months with the highest visibility are June, July and August (6mi).
The months with the lowest visibility are January, February, March, April, May, September, October, November and December (5mi).
Gig Harbor, Washington, USA
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