December weather forecastOysterville, WA
December
Weather in December
December, the first month of the winter in Oysterville, is still a chilly month, with temperature in the range of an average low of 41.2°F (5.1°C) and an average high of 46.4°F (8°C).Temperature
Oysterville's December weather, with an average high temperature of 46.4°F (8°C) and an average low temperature of 41.2°F (5.1°C), tends to be the coldest of the year.Humidity
February through April, October and December, with an average relative humidity of 81%, are the least humid months in Oysterville.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 Oysterville, snow does not fall in April through October and December.Daylight
With an average of 8h and 36min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:40 am and sunset at 4:30 pm. On the last day of December, sunrise is at 8:00 am and sunset at 4:38 pm PST.
Sunshine
In Oysterville, the average sunshine in December is 3.9h.UV index
The months with the lowest UV index are February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 2 during December leads to these advisories:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Oysterville, 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
Oysterville, 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
Oysterville, 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
Oysterville, 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
Oysterville, 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
Oysterville, 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
Oysterville, 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
Oysterville, 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 daylight in December /
Average sunshine in December
Oysterville, 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 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
Oysterville, 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
Oysterville, 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
Oysterville, 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
Oysterville, 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).
