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
With average temperatures fluctuating between a high of 36°F (2.2°C) and a low of 25.7°F (-3.5°C), December stands out as the coldest month.Humidity
In Woodruff Mill, the average relative humidity in December is 85%.Rainfall
In Woodruff Mill, Washington, during December, the rain falls for 10.8 days and regularly aggregates up to 1.93" (49mm) of precipitation. Throughout the year, in Woodruff Mill, there are 114.1 rainfall days, and 12.13" (308mm) of precipitation is accumulated.Snowfall
January through April, September through December are months with snowfall in Woodruff Mill. In Woodruff Mill, in December, during 8.9 snowfall days, 4.06" (103mm) of snow is typically accumulated. In Woodruff Mill, during the entire year, snow falls for 33.8 days and aggregates up to 19.69" (500mm) of snow.Daylight
The month with the shortest days in Woodruff Mill is December, with an average of 8h and 42min of daylight.On the first day of December, sunrise is at 7:26 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 4:30 pm PST.
Sunshine
The average sunshine in December is 5h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Woodruff Mill. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: In December, a daily UV index of 2 turns into the following recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Frequently asked questions
What time of the year is the coldest in Woodruff Mill?
How cold is December in Woodruff Mill?
What is the average humidity in December in Woodruff Mill?
How much does it rain in Woodruff Mill in December?
How many days does it snow in December in Woodruff Mill?
What is the month with the shortest days in Woodruff Mill?
What is the average length of the day in December in Woodruff Mill?
When are sunrise and sunset in December in Woodruff Mill?
How long on average sun shines in December in Woodruff Mill?
When is the lowest UV index in Woodruff Mill?
What is the UV index reading in December in Woodruff Mill?
Average temperature in December
Woodruff Mill, WA
- Average high temperature in December: 36°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is December (36°F).
- Average low temperature in December: 25.7°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 (25.7°F).
Average pressure in December
Woodruff Mill, WA
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.95"Hg).
Average wind speed in December
Woodruff Mill, WA
- Average wind speed in December: 5.3mph
The windiest month (with the highest average wind speed) is June (7.9mph).
The calmest months (with the lowest average wind speed) are January and December (5.3mph).
Average humidity in December
Woodruff Mill, WA
- Average humidity in December: 85%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (47%).
Average rainfall in December
Woodruff Mill, WA
- Average rainfall in December: 1.93"
The wettest month (with the highest rainfall) is January (2.17").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in December
Woodruff Mill, WA
- Average rainfall days in December: 10.8 days
The month with the highest number of rainy days is March (13.8 days).
The month with the least rainy days is July (3.3 days).
Average snowfall in December
Woodruff Mill, WA
- Average snowfall in December: 4.06"
The month with the highest snowfall is January (6.18").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in December
Woodruff Mill, WA
- Average snowfall days in December: 8.9 days
The month with the highest number of snowfall days is December (8.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Woodruff Mill, 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: 5h and 0min
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 48min).
Average sunshine days in December
Woodruff Mill, WA
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is July (26.3 days).
The month with the least sunshine days is February (12.3 days).
Average UV index in December
Woodruff Mill, WA
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Woodruff Mill, WA
- Average cloud cover in December: 50
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in December
Woodruff Mill, WA
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Woodruff Mill, Washington, USA
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