December weather forecastOcean Shores, WA
December
Weather in December
The year draws to a close with December in Ocean Shores, Washington, donning the definitive winter colors. The temperature drops to the year's minimum, and the city witnesses the highest rainfall of 3.35" (85mm). The increase in humidity coincides with the chill in the air, hinting at the peak of winter. The sea temperature stands cold, aligning with the overall weather pattern. Even as Ocean Shores embraces December's freezing aura, it prepares for another calendar year of changing weather stories.Temperature
Ocean Shores reaches its lowest average temperatures in December, measuring 45.5°F (7.5°C) at the peak and 39.7°F (4.3°C) at the lowest.Humidity
The most humid month is December, with an average relative humidity of 85%.Rainfall
The month with the most rainfall is December, when the rain falls for 18.5 days and typically aggregates up to 3.35" (85mm) of precipitation.Snowfall
April through October and December are months without snowfall.Ocean temperature
In December, the average ocean temperature is 50°F (10°C).Note: Caution: 50°F (10°C) temperatures below 50°F (10°C) during swimming can result in intense cold shock and quickened breathing.
Daylight
December has the shortest days of the year, with an average of 8h and 36min of daylight.On the first day of the month, sunrise is at 7:42 am and sunset at 4:29 pm. On the last day of December, sunrise is at 8:02 am and sunset at 4:37 pm PST.
Sunshine
The average sunshine in December is 3.6h.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 value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum UV index of 2 in December translates into the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ocean Shores, WA
- Average high temperature in December: 45.5°F
The warmest month (with the highest average high temperature) is August (65.8°F).
The month with the lowest average high temperature is December (45.5°F).
- Average low temperature in December: 39.7°F
The month with the highest average low temperature is August (54.5°F).
The coldest month (with the lowest average low temperature) is December (39.7°F).
Average pressure in December
Ocean Shores, WA
- Average pressure in December: 30.04"Hg
The month with the highest atmospheric pressure is July (30.08"Hg).
The month with the lowest atmospheric pressure is March (30"Hg).
Average wind speed in December
Ocean Shores, WA
- Average wind speed in December: 10.1mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is September (7.1mph).
Average humidity in December
Ocean Shores, WA
- Average humidity in December: 85%
The month with the highest relative humidity is December (85%).
The months with the lowest relative humidity are April, May and June (81%).
Average rainfall in December
Ocean Shores, WA
- Average rainfall in December: 3.35"
The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in December
Ocean Shores, WA
- Average rainfall days in December: 18.5 days
The month with the highest number of rainy days is December (18.5 days).
The month with the least rainy days is July (5.6 days).
Average snowfall in December
Ocean Shores, WA
- Average snowfall in December: 0"
The month with the highest snowfall is February (1.02").
The months with the least snowfall are April, May, June, July, August, September, October and December (0").
Average snowfall days in December
Ocean Shores, WA
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is February (1.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average sea temperature in December
Ocean Shores, WA
- Average sea temperature in December: 50°F
The best month for swimming (with the highest average sea temperature) is August (61°F).
The coldest months (with the lowest average sea temperature) are January and February (48°F).
Average daylight in December /
Average sunshine in December
Ocean Shores, WA
- Average daylight in December: 8h and 36min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in December: 3h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Ocean Shores, WA
- Average sunshine days in December: 10.7 days
The month with the most sunshine days is July (23.8 days).
The month with the least sunshine days is December (10.7 days).
Average UV index in December
Ocean Shores, WA
- Average UV index in December: 2
The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Ocean Shores, WA
- Average cloud cover in December: 61
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in December
Ocean Shores, WA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
