December weather forecastOcean Park, WA
December
Weather in December
December, the first month of the winter in Ocean Park, is still a chilly month, with an average temperature fluctuating between 46.4°F (8°C) and 41.2°F (5.1°C).Temperature
December, with its average high-temperature of 46.4°F (8°C) and an average low-temperature of 41.2°F (5.1°C), holds the record as the coldest month.Humidity
February through April, October and December, with an average relative humidity of 81%, are the least humid months in Ocean Park, Washington.Rainfall
The month with the most rainfall is December, when the rain falls for 20.9 days and typically aggregates up to 7.28" (185mm) of precipitation.Snowfall
In Ocean Park, Washington, snow does not fall in April through October and December.Ocean temperature
In Ocean Park, in December, the average water temperature is 49.6°F (9.8°C).Note: Swimming in 49.6°F (9.8°C) is deemed hazardous. Exposure to temperatures below 50°F (10°C) leads to immediate severe cold shock and hyperventilation.
Daylight
The month with the shortest days in Ocean Park is December, with an average of 8h and 42min of daylight.On the first day of December, sunrise is at 7:40 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:59 am and sunset at 4:39 pm PST.
Sunshine
In December, the average sunshine in Ocean Park, Washington, is 3.9h.UV index
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 health risk from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ocean Park, WA
- Average high temperature in December: 46.4°F
The warmest month (with the highest average high temperature) is August (63.3°F).
The month with the lowest average high temperature is December (46.4°F).
- Average low temperature in December: 41.2°F
The month with the highest average low temperature is August (55.9°F).
The coldest month (with the lowest average low temperature) is December (41.2°F).
Average pressure in December
Ocean Park, WA
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is July (30.08"Hg).
The month with the lowest atmospheric pressure is March (30.01"Hg).
Average wind speed in December
Ocean Park, WA
- Average wind speed in December: 11.4mph
The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest month (with the lowest average wind speed) is August (7.4mph).
Average humidity in December
Ocean Park, WA
- Average humidity in December: 81%
The month with the highest relative humidity is August (86%).
The months with the lowest relative humidity are February, March, April, October and December (81%).
Average rainfall in December
Ocean Park, WA
- Average rainfall in December: 7.28"
The wettest month (with the highest rainfall) is December (7.28").
The driest month (with the least rainfall) is July (0.55").
Average rainfall days in December
Ocean Park, WA
- Average rainfall days in December: 20.9 days
The month with the highest number of rainy days is March (22.5 days).
The month with the least rainy days is August (8 days).
Average snowfall in December
Ocean Park, WA
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.91").
The months with the least snowfall are April, May, June, July, August, September, October and December (0").
Average snowfall days in December
Ocean Park, WA
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is February (1 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 Park, WA
- Average sea temperature in December: 49.6°F
The best month for swimming (with the highest average sea temperature) is July (58.6°F).
The coldest month (with the lowest average sea temperature) is February (47.8°F).
Average daylight in December /
Average sunshine in December
Ocean Park, WA
- Average daylight in December: 8h and 42min
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 42min).
- Average sunshine in December: 3h and 54min
The month with the most sunshine is July (Average sunshine: 9h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Ocean Park, WA
- Average sunshine days in December: 8.8 days
The month with the most sunshine days is August (19.1 days).
The month with the least sunshine days is March (7.1 days).
Average UV index in December
Ocean Park, 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 February, November and December (UV index 2).
Average cloud cover in December
Ocean Park, WA
- Average cloud cover in December: 60
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are August and September (Cloud cover 39).
Average visibility in December
Ocean Park, WA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





