December weather forecastMattaponi, VA
December
Weather in December
The first month of the winter, December, is also a frosty month in Mattaponi, Virginia, with an average temperature fluctuating between 49.6°F (9.8°C) and 36.1°F (2.3°C).Temperature
December sees a slight reduction in average high-temperature, with a shift from a mild 57.2°F (14°C) in November to a chilly 49.6°F (9.8°C). Mattaponi's nighttime temperature in December falls to an average of 36.1°F (2.3°C).Humidity
December is the most humid month, with an average relative humidity of 79%.Rainfall
In Mattaponi, during December, the rain falls for 9.6 days and regularly aggregates up to 1.06" (27mm) of precipitation. In Mattaponi, during the entire year, the rain falls for 132.5 days and collects up to 15.47" (393mm) of precipitation.Snowfall
Months with snowfall in Mattaponi are January through April, November and December. In Mattaponi, in December, snow falls for 1.5 days, with typically accumulated 0.35" (9mm) of snow. Throughout the year, there are 8.3 snowfall days, and 2.17" (55mm) of snow is accumulated.Daylight
The month with the shortest days in Mattaponi is December, with an average of 9h and 36min of daylight.On the first day of December, sunrise is at 7:03 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:59 pm EST.
Sunshine
In Mattaponi, Virginia, the average sunshine in December is 5.3h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mattaponi, 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
Mattaponi, 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
Mattaponi, 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
Mattaponi, 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
Mattaponi, 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
Mattaponi, 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
Mattaponi, 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
Mattaponi, 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
Mattaponi, VA
- Average daylight in December: 9h and 36min
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 18min
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
Mattaponi, 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
Mattaponi, 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
Mattaponi, 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
Mattaponi, 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).
