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 beginning of December subtly marks a decrease in the average high-temperature, transitioning from a mild 56.5°F (13.6°C) in November to a chilly 49.1°F (9.5°C). During December nights, Jetersville records an average temperature of 34.9°F (1.6°C).Humidity
The most humid month is December, with an average relative humidity of 78%.Rainfall
In Jetersville, in December, it is raining for 8.8 days, with typically 1.73" (44mm) of accumulated precipitation. Throughout the year, there are 144.1 rainfall days, and 23.82" (605mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Jetersville, in December, snow falls for 1.3 days, with typically accumulated 1.77" (45mm) of snow. Throughout the year, there are 9.4 snowfall days, and 7.24" (184mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 7:08 am and sunset at 4:55 pm. On the last day of December, in Jetersville, Virginia, sunrise is at 7:26 am and sunset at 5:05 pm EST.
Sunshine
December has the least sunshine of the year in Jetersville, Virginia, with an average of 5.4h of sunshine.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for average individuals.Note: The UV index of 2 during December leads to these advisories:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Jetersville?
What is the most humid month in Jetersville?
What is the average humidity in December in Jetersville?
How many days does it rain in December in Jetersville?
How much does it snow in Jetersville in December?
What is the month with the shortest days in Jetersville?
How many hours of daylight does Jetersville have in December?
When is the sunrise / sunset in December in Jetersville?
What is the month with the least sunshine in Jetersville?
How many hours of sunshine does Jetersville have in December?
What are the months with the lowest UV index in Jetersville?
How high is the UV index in December in Jetersville?
Average temperature in December
Jetersville, VA
- Average high temperature in December: 49.1°F
The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (44.6°F).
- Average low temperature in December: 34.9°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure in December
Jetersville, VA
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Jetersville, VA
- Average wind speed in December: 6.2mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Jetersville, VA
- Average humidity in December: 78%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (70%).
Average rainfall in December
Jetersville, VA
- Average rainfall in December: 1.73"
The wettest month (with the highest rainfall) is May (2.36").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in December
Jetersville, VA
- Average rainfall days in December: 8.8 days
The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is October (8.5 days).
Average snowfall in December
Jetersville, VA
- Average snowfall in December: 1.77"
The month with the highest snowfall is March (1.97").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Jetersville, VA
- Average snowfall days in December: 1.3 days
The month with the highest number of snowfall days is February (2.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Jetersville, 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 42min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Jetersville, VA
- Average sunshine days in December: 20.2 days
The month with the most sunshine days is October (20.9 days).
The month with the least sunshine days is May (13 days).
Average UV index in December
Jetersville, 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
Jetersville, VA
- Average cloud cover in December: 42
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in December
Jetersville, 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).
Jetersville, Virginia, USA
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