December weather forecastSeaview, WA
December
Weather in December
The first month of the winter, December, is still a chilly month in Seaview, Washington, with an average temperature varying between 41.5°F (5.3°C) and 46.8°F (8.2°C).Temperature
During the coldest month, December, temperatures average a high of 46.8°F (8.2°C) and a low of 41.5°F (5.3°C).Humidity
In December, the average relative humidity in Seaview, Washington, is 81%.Rainfall
The month with the most rainfall in Seaview is December, when the rain falls for 17.9 days and typically aggregates up to 3.31" (84mm) of precipitation.Snowfall
March through August, October through December are months without snowfall in Seaview.Daylight
The month with the shortest days is December, with an average of 8h and 42min of daylight.On the first day of the month, sunrise is at 7:39 am and sunset at 4:31 pm. On the last day of December, sunrise is at 7:59 am and sunset at 4:39 pm PST.
Sunshine
In Seaview, the average sunshine in December is 4.1h.UV index
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 unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 2 during December translates into the following guidance:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Seaview, WA
- Average high temperature in December: 46.8°F
The warmest month (with the highest average high temperature) is August (63.9°F).
The month with the lowest average high temperature is December (46.8°F).
- Average low temperature in December: 41.5°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 (41.5°F).
Average pressure in December
Seaview, 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
Seaview, WA
- Average wind speed in December: 11.3mph
The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest month (with the lowest average wind speed) is August (7.1mph).
Average humidity in December
Seaview, WA
- Average humidity in December: 81%
The month with the highest relative humidity is August (86%).
The month with the lowest relative humidity is April (80%).
Average rainfall in December
Seaview, WA
- Average rainfall in December: 3.31"
The wettest month (with the highest rainfall) is December (3.31").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in December
Seaview, WA
- Average rainfall days in December: 17.9 days
The month with the highest number of rainy days is November (18.5 days).
The month with the least rainy days is August (6.7 days).
Average snowfall in December
Seaview, WA
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.31").
The months with the least snowfall are March, April, May, June, July, August, October, November and December (0").
Average snowfall days in December
Seaview, WA
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).
Average daylight in December /
Average sunshine in December
Seaview, WA
- Average daylight in December: 8h and 42min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 4h and 6min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Seaview, WA
- Average sunshine days in December: 11.1 days
The month with the most sunshine days is August (20.3 days).
The month with the least sunshine days is November (8.9 days).
Average UV index in December
Seaview, 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
Seaview, WA
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 37).
Average visibility in December
Seaview, 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).
