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
The commencement of December includes a gentle temperature shift, with the average high-temperature dropping a bit from a fresh 52.3°F (11.3°C) in November to a chilly 43.5°F (6.4°C). Millwood cools down to an average low-temperature of 30.4°F (-0.9°C) throughout the month of December.Humidity
The months with the highest humidity are May, October and December, with an average relative humidity of 78%.Rainfall
In Millwood, in December, it is raining for 9.3 days, with typically 1.65" (42mm) of accumulated precipitation. Throughout the year, there are 152.4 rainfall days, and 23.5" (597mm) of precipitation is accumulated.Snowfall
Months with snowfall in Millwood, Virginia, are January through May, October through December. In December, it is snowing for 3 days. Throughout December, 1.54" (39mm) of snow is accumulated. In Millwood, during the entire year, snow falls for 19.9 days and aggregates up to 9.69" (246mm) of snow.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year.On the first day of December in Millwood, sunrise is at 7:12 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 4:59 pm EST.
Sunshine
The months with the least sunshine are January and December, with an average of 5h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 2 during December leads to these instructions:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Frequently asked questions
How cold is it in Millwood in December?
What are the most humid months in Millwood?
What is the average humidity in December in Millwood?
How much does it rain in Millwood in December?
How much does it snow in Millwood in December?
What is the month with the shortest days in Millwood?
How many hours of daylight does Millwood have in December?
When is the sunrise / sunset in December in Millwood?
What are the months with the least sunshine in Millwood?
How many hours of sunshine does Millwood have in December?
What are the months with the lowest UV index in Millwood?
How high is the UV index in December in Millwood?
Average temperature in December
Millwood, VA
- Average high temperature in December: 43.5°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.3°F).
- Average low temperature in December: 30.4°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (24.1°F).
Average pressure in December
Millwood, VA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Millwood, VA
- Average wind speed in December: 6.3mph
The windiest months (with the highest average wind speed) are March and April (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Millwood, VA
- Average humidity in December: 78%
The months with the highest relative humidity are May, October and December (78%).
The month with the lowest relative humidity is July (73%).
Average rainfall in December
Millwood, VA
- Average rainfall in December: 1.65"
The wettest months (with the highest rainfall) are May, July and August (2.68").
The driest month (with the least rainfall) is January (1.3").
Average rainfall days in December
Millwood, VA
- Average rainfall days in December: 9.3 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (7.9 days).
Average snowfall in December
Millwood, VA
- Average snowfall in December: 1.54"
The month with the highest snowfall is January (2.68").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Millwood, VA
- Average snowfall days in December: 3 days
The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Millwood, VA
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 5h and 0min).
Average sunshine days in December
Millwood, VA
- Average sunshine days in December: 18.4 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is May (11.5 days).
Average UV index in December
Millwood, VA
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Millwood, VA
- Average cloud cover in December: 47
The months with the most cloud cover are March and December (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in December
Millwood, VA
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, June, July, August and November (6mi).
The months with the lowest visibility are May, September, October and December (5mi).
Millwood, Virginia, USA
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