December weather forecastJava, VA
December
Weather in December
The first month of the winter, December, is still a chilly month in Java, Virginia, with temperature in the range of an average high of 49.8°F (9.9°C) and an average low of 35.4°F (1.9°C).Temperature
December brings a slight decrease in the average high-temperature, shifting from a mild 57.4°F (14.1°C) in November to a chilly 49.8°F (9.9°C). During the month of December, the nighttime temperature falls to an average of 35.4°F (1.9°C).Humidity
With an average relative humidity of 76%, December is the most humid month in Java.Rainfall
In Java, Virginia, during December, the rain falls for 10.3 days and regularly aggregates up to 2.87" (73mm) of precipitation. Throughout the year, in Java, there are 154.5 rainfall days, and 29.17" (741mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall in Java. The months with the most snowfall are January and December, with an average 2.17" (55mm) of accumulated snow.Daylight
December has the shortest days of the year, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 7:11 am and sunset at 5:00 pm. On the last day of December, sunrise is at 7:29 am and sunset at 5:10 pm EST.
Sunshine
The months with the least sunshine are January and December, with an average of 5.5h of sunshine.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 2 during December translates into the following directions:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Java, VA
- Average high temperature in December: 49.8°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (45.5°F).
- Average low temperature in December: 35.4°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in December
Java, 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 (29.97"Hg).
Average wind speed in December
Java, VA
- Average wind speed in December: 6.4mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).
Average humidity in December
Java, VA
- Average humidity in December: 76%
The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (69%).
Average rainfall in December
Java, VA
- Average rainfall in December: 2.87"
The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in December
Java, VA
- Average rainfall days in December: 10.3 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is November (9.1 days).
Average snowfall in December
Java, VA
- Average snowfall in December: 2.17"
The months with the highest snowfall are January and December (2.17").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Java, VA
- Average snowfall days in December: 1.3 days
The month with the highest number of snowfall days is February (3.2 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
Java, VA
- Average daylight in December: 9h and 42min
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 30min
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 30min).
Average sunshine days in December
Java, VA
- Average sunshine days in December: 19 days
The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is May (12.4 days).
Average UV index in December
Java, VA
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Java, VA
- Average cloud cover in December: 40
The months with the most cloud cover are February and March (Cloud cover 42).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in December
Java, VA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
