Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Vader witnesses the coldest weather in December, with temperatures averaging a high of 42.3°F (5.7°C) and a low of 32.7°F (0.4°C).Humidity
The average relative humidity in December is 88%.Rainfall
In Vader, in December, it is raining for 19.8 days, with typically 4.8" (122mm) of accumulated precipitation. Throughout the year, in Vader, there are 188.7 rainfall days, and 33.54" (852mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall in Vader. In Vader, in December, snow falls for 0.9 days, with typically accumulated 0.31" (8mm) of snow. In Vader, during the entire year, snow falls for 7.5 days and aggregates up to 4.45" (113mm) of snow.Daylight
The month with the shortest days in Vader is December, with an average of 8h and 42min of daylight.On the first day of the month, sunrise is at 7:35 am and sunset at 4:26 pm. On the last day of December, in Vader, sunrise is at 7:55 am and sunset at 4:35 pm PST.
Sunshine
The months with the least sunshine are February and December, with an average of 3.6h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 2 during December leads to these instructions:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Around midday, solar radiation is most harmful; hence, exposure should be limited. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months in Vader?
Is it cold in Vader during December?
What is the average humidity in December in Vader?
How many days does it rain in December in Vader?
How many days does it snow in December in Vader?
What is the month with the shortest days in Vader?
How many hours of daylight does Vader have in December?
What time are sunrise and sunset in December in Vader?
What are the months with the least sunshine in Vader?
How many hours of sunshine does Vader have in December?
What are the months with the lowest UV index in Vader?
What is the UV index intensity in December in Vader?
Average temperature in December
Vader, WA
- Average high temperature in December: 42.3°F
The warmest month (with the highest average high temperature) is August (77.5°F).
The month with the lowest average high temperature is December (42.3°F).
- Average low temperature in December: 32.7°F
The month with the highest average low temperature is August (49.3°F).
The coldest month (with the lowest average low temperature) is December (32.7°F).
Average pressure in December
Vader, WA
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in December
Vader, WA
- Average wind speed in December: 4.5mph
The windiest month (with the highest average wind speed) is January (4.8mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in December
Vader, WA
- Average humidity in December: 88%
The months with the highest relative humidity are February and November (89%).
The month with the lowest relative humidity is July (73%).
Average rainfall in December
Vader, WA
- Average rainfall in December: 4.8"
The wettest month (with the highest rainfall) is January (5.12").
The driest month (with the least rainfall) is July (0.51").
Average rainfall days in December
Vader, WA
- Average rainfall days in December: 19.8 days
The month with the highest number of rainy days is March (20.7 days).
The month with the least rainy days is July (7.4 days).
Average snowfall in December
Vader, WA
- Average snowfall in December: 0.31"
The month with the highest snowfall is January (1.65").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Vader, WA
- Average snowfall days in December: 0.9 days
The month with the highest number of snowfall days is February (2.9 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
Vader, WA
- Average daylight in December: 8h and 4min
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: 3h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The months with the least sunshine are February and December (Average sunshine: 3h and 36min).
Average sunshine days in December
Vader, WA
- Average sunshine days in December: 9.5 days
The month with the most sunshine days is August (20.6 days).
The month with the least sunshine days is February (8.3 days).
Average UV index in December
Vader, 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, November and December (UV index 2).
Average cloud cover in December
Vader, WA
- Average cloud cover in December: 63
The month with the most cloud cover is February (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in December
Vader, WA
- Average visibility in December: 4mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
Vader, Washington, USA
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