December weather forecastSilverdale, WA
December
Weather in December
December, the first month of the winter in Silverdale, is also a frosty month, with temperature in the range of an average high of 42.8°F (6°C) and an average low of 35.2°F (1.8°C).Temperature
December, having an average high-temperature of 42.8°F (6°C) and an average low-temperature of 35.2°F (1.8°C), is the coldest month.Humidity
The most humid month is December, with an average relative humidity of 87%.Rainfall
In December, the rain falls for 18.8 days. Throughout December, 3.94" (100mm) of precipitation is accumulated. 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, Washington, in December, snow falls for 1.1 days, with typically accumulated 0.28" (7mm) of snow. In Silverdale, Washington, during the entire year, snow falls for 8.1 days and aggregates up to 4.69" (119mm) of snow.Ocean temperature
In Silverdale, in December, the average water temperature is 46.6°F (8.1°C).Note: Diving into 46.6°F (8.1°C) is practical below 50°F (10°C), given you're wearing protective swim gear; without it, expect a quick onset of cold shock and a struggle to breathe. Merely touching waters at 55.4°F (13°C) feels ice-cold.
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 7:39 am and sunset at 4:21 pm. On the last day of December, sunrise is at 7:59 am and sunset at 4:29 pm PST.
Sunshine
The months with the least sunshine are January and December, with an average of 4.6h 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 of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: In December, the maximum UV index of 2 suggests these recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
Average pressure in December
Silverdale, 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 and September (30.01"Hg).
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).
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%).
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").
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).
Average snowfall in December
Silverdale, WA
- Average snowfall in December: 0.28"
The month with the highest snowfall is February (2.4").
The months with the least snowfall are May, June, July, August, September and October (0").
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).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
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).
Average daylight in December /
Average sunshine in December
Silverdale, WA
- Average daylight in December: 8h and 30min
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 36min
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 36min).
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).
Average UV index in December
Silverdale, 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
Silverdale, WA
- Average cloud cover in December: 53
The 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).
Average visibility in December
Silverdale, WA
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, November and December (5mi).
