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
In December, the average high-temperature marginally decreases from a refreshing 57.2°F (14°C) in November to a frosty 49.6°F (9.8°C). In Hartfield, the average low-temperature during the month of December is a wintry 36.1°F (2.3°C).Humidity
With an average relative humidity of 79%, December is the most humid month in Hartfield.Rainfall
In Hartfield, in December, it is raining for 9.6 days, with typically 1.06" (27mm) of accumulated precipitation. Throughout the year, there are 132.5 rainfall days, and 15.47" (393mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Hartfield, in December, during 1.5 snowfall days, 0.35" (9mm) of snow is typically accumulated. In Hartfield, during the entire year, snow falls for 8.3 days and aggregates up to 2.17" (55mm) of snow.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:02 am and sunset at 4:47 pm. On the last day of December, sunrise is at 7:20 am and sunset at 4:57 pm EST.
Sunshine
In Hartfield, the average sunshine in December is 5.3h.UV index
January 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 minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. During bright days, sunglasses that offer UVA and UVB defense are recommended. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of 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 in Hartfield?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Hartfield have in December?
When are sunrise and sunset in December?
How many hours of sunshine does Hartfield have in December?
When is the lowest UV index in Hartfield?
What is the UV index intensity in December?
Average temperature in December
Hartfield, VA
- Average high temperature in December: 49.6°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (44.6°F).
- Average low temperature in December: 36.1°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).
Average pressure in December
Hartfield, VA
- Average pressure in December: 30.12"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
Hartfield, VA
- Average wind speed in December: 6.5mph
The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in December
Hartfield, VA
- Average humidity in December: 79%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is July (73%).
Average rainfall in December
Hartfield, VA
- Average rainfall in December: 1.06"
The wettest month (with the highest rainfall) is August (1.85").
The driest month (with the least rainfall) is September (0.94").
Average rainfall days in December
Hartfield, VA
- Average rainfall days in December: 9.6 days
The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in December
Hartfield, VA
- Average snowfall in December: 0.35"
The months with the highest snowfall are January and February (0.55").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Hartfield, VA
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is February (2.8 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
Hartfield, VA
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).
Average sunshine days in December
Hartfield, VA
- Average sunshine days in December: 19.2 days
The month with the most sunshine days is October (20.8 days).
The month with the least sunshine days is May (14.5 days).
Average UV index in December
Hartfield, VA
- Average UV index in December: 2
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Hartfield, VA
- Average cloud cover in December: 44
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in December
Hartfield, VA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Hartfield, Virginia, USA
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