December weather forecastMilton, WA
December
Weather in December
The first month of the winter, December, is still a chilly month in Milton, Washington, with an average temperature fluctuating between 32.7°F (0.4°C) and 42.8°F (6°C).Temperature
Milton's December weather, marked by an average high temperature of 42.8°F (6°C) and an average low temperature of 32.7°F (0.4°C), is the coldest in the year.Humidity
In Milton, the average relative humidity in December is 86%.Rainfall
The month with the most rainfall is December, when the rain falls for 19.2 days and typically aggregates up to 4.92" (125mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Milton, Washington, in December, during 1 snowfall days, 0.43" (11mm) of snow is typically accumulated. Throughout the year, in Milton, there are 7.4 snowfall days, and 3.78" (96mm) of snow is accumulated.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 7:36 am and sunset at 4:21 pm. On the last day of December, sunrise is at 7:55 am and sunset at 4:29 pm PST.
Sunshine
With an average of 4.2h of sunshine, December has the least sunshine of the year in Milton.UV index
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Milton. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The average daily UV index of 2 in December transforms into the following instructions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. During bright days, sunglasses that offer UVA and UVB defense are recommended. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Milton, WA
- Average high temperature in December: 42.8°F
The warmest month (with the highest average high temperature) is August (76.5°F).
The month with the lowest average high temperature is December (42.8°F).
- Average low temperature in December: 32.7°F
The month with the highest average low temperature is August (51.6°F).
The coldest month (with the lowest average low temperature) is December (32.7°F).
Average pressure in December
Milton, WA
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in December
Milton, WA
- Average wind speed in December: 4.5mph
The windiest month (with the highest average wind speed) is March (4.9mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in December
Milton, WA
- Average humidity in December: 86%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is July (69%).
Average rainfall in December
Milton, WA
- Average rainfall in December: 4.92"
The wettest month (with the highest rainfall) is December (4.92").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in December
Milton, WA
- Average rainfall days in December: 19.2 days
The month with the highest number of rainy days is March (21 days).
The month with the least rainy days is August (6.2 days).
Average snowfall in December
Milton, WA
- Average snowfall in December: 0.43"
The month with the highest snowfall is February (1.42").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Milton, WA
- Average snowfall days in December: 1 days
The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Milton, WA
- Average daylight in December: 8h and 36min
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 36min).
- Average sunshine in December: 4h and 12min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).
Average sunshine days in December
Milton, WA
- Average sunshine days in December: 10 days
The month with the most sunshine days is August (22.3 days).
The month with the least sunshine days is February (8.2 days).
Average UV index in December
Milton, WA
- Average UV index in December: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in December
Milton, WA
- Average cloud cover in December: 56
The months with the most cloud cover are January and December (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in December
Milton, WA
- Average visibility in December: 5mi
The months with the highest visibility are July and August (6mi).
The months with the lowest visibility are January, February, March, April, May, June, September, October, November and December (5mi).
