December weather forecastVantage, WA
December
Weather in December
December, the first month of the winter in Vantage, is also an icy month, with an average temperature ranging between max 34.5°F (1.4°C) and min 24.3°F (-4.3°C).Temperature
Vantage's coldest temperatures are experienced in December, with average high temperatures of 34.5°F (1.4°C) and lows of 24.3°F (-4.3°C).Humidity
The average relative humidity in December is 81%.Rainfall
The months with the most rainfall are January and December, with an average 0.87" (22mm) of precipitation.Snowfall
January through April, September, November and December are months with snowfall in Vantage, Washington. December is the month with the most snowfall in Vantage. Snow falls for 6.5 days and accumulates 3.43" (87mm) of snow.Daylight
December has the shortest days of the year, with an average of 8h and 36min of daylight.On the first day of December in Vantage, sunrise is at 7:25 am and sunset at 4:12 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 4:21 pm PST.
Sunshine
The average sunshine in December in Vantage is 5.1h.UV index
The months with the lowest UV index in Vantage, Washington, are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum UV index of 2 in December translates into the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Vantage, WA
- Average high temperature in December: 34.5°F
The warmest months (with the highest average high temperature) are July and August (88.3°F).
The month with the lowest average high temperature is December (34.5°F).
- Average low temperature in December: 24.3°F
The month with the highest average low temperature is August (61.5°F).
The coldest month (with the lowest average low temperature) is December (24.3°F).
Average pressure in December
Vantage, WA
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in December
Vantage, WA
- Average wind speed in December: 4.7mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is December (4.7mph).
Average humidity in December
Vantage, WA
- Average humidity in December: 81%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is July (37%).
Average rainfall in December
Vantage, WA
- Average rainfall in December: 0.87"
The wettest months (with the highest rainfall) are January and December (0.87").
The driest month (with the least rainfall) is August (0.2").
Average rainfall days in December
Vantage, WA
- Average rainfall days in December: 7.9 days
The month with the highest number of rainy days is March (10.6 days).
The month with the least rainy days is August (3.5 days).
Average snowfall in December
Vantage, WA
- Average snowfall in December: 3.43"
The month with the highest snowfall is December (3.43").
The months with the least snowfall are May, June, July, August and October (0").
Average snowfall days in December
Vantage, WA
- Average snowfall days in December: 6.5 days
The month with the highest number of snowfall days is December (6.5 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Vantage, 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: 5h and 6min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in December
Vantage, WA
- Average sunshine days in December: 18.1 days
The months with the most sunshine days are July and August (25.8 days).
The month with the least sunshine days is February (16 days).
Average UV index in December
Vantage, WA
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Vantage, WA
- Average cloud cover in December: 45
The month with the most cloud cover is January (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility in December
Vantage, WA
- Average visibility in December: 5mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).
