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
Mattaponi, Virginia, observes a small decrease in the average high-temperature with the arrival of December, falling from November's mild 57.2°F (14°C) to a chilly 49.6°F (9.8°C). Throughout December, an average nighttime temperature of 36.1°F (2.3°C) is experienced.Humidity
December is the most humid month in Mattaponi, with an average relative humidity of 79%.Rainfall
In December, the rain falls for 9.6 days. Throughout December, 1.06" (27mm) of precipitation is accumulated. 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 Mattaponi, in December, during 1.5 snowfall days, 0.35" (9mm) of snow is typically accumulated. Throughout the year, in Mattaponi, there are 8.3 snowfall days, and 2.17" (55mm) of snow is accumulated.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year in Mattaponi.On the first day of the month, sunrise is at 7:03 am and sunset at 4:49 pm. On the last day of December, in Mattaponi, Virginia, sunrise is at 7:21 am and sunset at 4:59 pm EST.
Sunshine
In December, the average sunshine is 5.3h.UV index
The months with the lowest UV index in Mattaponi 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 exposure to the Sun's UV rays for the average person.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Frequently asked questions
What is the temperature in December in Mattaponi?
What is the most humid month in Mattaponi?
What is the average humidity in December in Mattaponi?
How many days does it rain in December in Mattaponi?
How much does it snow in Mattaponi in December?
What is the month with the shortest days in Mattaponi?
What is the average length of the day in December in Mattaponi?
What time are sunrise and sunset in December in Mattaponi?
How many hours of sunshine does Mattaponi have in December?
What is the month with the lowest UV index in Mattaponi?
How high is the UV index in December in Mattaponi?
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 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
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).
Mattaponi, Virginia, USA
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