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
December reveals a small adjustment in temperature, transitioning from an average high of a mild 55.8°F (13.2°C) in November to a frosty 47.8°F (8.8°C). Throughout December, Henry's nights cool down to an average of 33.4°F (0.8°C).Humidity
May, September and December, with an average relative humidity of 76%, are the most humid months.Rainfall
In Henry, in December, during 9.4 rainfall days, 2.09" (53mm) of precipitation is typically accumulated. Throughout the year, there are 143.3 rainfall days, and 24.53" (623mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In Henry, during December, snow falls for 1.1 days and regularly aggregates up to 2.17" (55mm) of snow. In Henry, during the entire year, snow falls for 9.3 days and aggregates up to 8.54" (217mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 7:14 am and sunset at 5:03 pm. On the last day of December, sunrise is at 7:32 am and sunset at 5:13 pm EST.
Sunshine
January and December, with an average of 5.6h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.Note: The UV index of 2 in December translates into these instructions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
What is the most humid month?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
What are the months with the least sunshine?
How long on average sun shines in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Henry, VA
- Average high temperature in December: 47.8°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (43.3°F).
- Average low temperature in December: 33.4°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).
Average pressure in December
Henry, VA
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Henry, VA
- Average wind speed in December: 6.3mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Henry, VA
- Average humidity in December: 76%
The months with the highest relative humidity are May, September and December (76%).
The month with the lowest relative humidity is July (70%).
Average rainfall in December
Henry, VA
- Average rainfall in December: 2.09"
The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days in December
Henry, VA
- Average rainfall days in December: 9.4 days
The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in December
Henry, VA
- Average snowfall in December: 2.17"
The month with the highest snowfall is February (2.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Henry, VA
- Average snowfall days in December: 1.1 days
The month with the highest number of snowfall days is February (3.1 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
Henry, VA
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 5h and 4min
The months with the most sunshine are June and July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 36min).
Average sunshine days in December
Henry, VA
- Average sunshine days in December: 19.5 days
The month with the most sunshine days is November (21.9 days).
The month with the least sunshine days is May (13 days).
Average UV index in December
Henry, 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 and December (UV index 2).
Average cloud cover in December
Henry, VA
- Average cloud cover in December: 39
The month with the most cloud cover is March (Cloud cover 42).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in December
Henry, VA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Henry, Virginia, USA
Weather forecast for your location
2. Allow the app to use your location