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 sea temperature 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
As November transitions into December, Newport News sees a gentle drop in the average high-temperature, transitioning from a moderate 57.4°F (14.1°C) to a cool 50.4°F (10.2°C). During the month of December, the nighttime temperature in Newport News falls to an average of 39.9°F (4.4°C).Humidity
The average relative humidity in December in Newport News is 77%.Rainfall
In December, the rain falls for 11.7 days. Throughout December, 1.89" (48mm) of precipitation is accumulated. In Newport News, during the entire year, the rain falls for 161.2 days and collects up to 28.43" (722mm) of precipitation.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows. Throughout December, in the average 0.9 snowfall days, it receives 0.28" (7mm) of snow. Throughout the year, there are 6.3 snowfall days, and 1.73" (44mm) of snow is accumulated.Ocean temperature
In Newport News, in December, the average water temperature is 52.7°F (11.5°C).Note: Danger awaits those who swim in 52.7°F (11.5°C) without protection. Falling below 50°F (10°C) means intense cold shock and hyperventilation.
Daylight
December has the shortest days of the year in Newport News, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 7:01 am and sunset at 4:49 pm. On the last day of December, in Newport News, sunrise is at 7:19 am and sunset at 4:59 pm EST.
Sunshine
In Newport News, the average sunshine in December is 5.5h.UV index
In December, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 3 in December converts into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Experience reduced UV exposure by about half when donning a wide-brim hat. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Frequently asked questions
What are the temperatures in Newport News in December?
What is the average humidity in December in Newport News?
How many days does it rain in December in Newport News?
When does it start snowing in Newport News?
What is the water temperature in December in Newport News?
What is the month with the shortest days in Newport News?
How many hours of daylight does Newport News have in December?
What time are sunrise and sunset in December in Newport News?
How long on average sun shines in December in Newport News?
What is the UV index reading in December in Newport News?
Average temperature in December
Newport News, VA
- Average high temperature in December: 50.4°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (44.8°F).
- Average low temperature in December: 39.9°F
The month with the highest average low temperature is July (73.9°F).
The coldest month (with the lowest average low temperature) is January (34.2°F).
Average pressure in December
Newport News, VA
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Newport News, VA
- Average wind speed in December: 9.5mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is August (8mph).
Average humidity in December
Newport News, VA
- Average humidity in December: 77%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is July (73%).
Average rainfall in December
Newport News, VA
- Average rainfall in December: 1.89"
The wettest month (with the highest rainfall) is August (3.23").
The driest month (with the least rainfall) is November (1.85").
Average rainfall days in December
Newport News, VA
- Average rainfall days in December: 11.7 days
The month with the highest number of rainy days is August (17.3 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in December
Newport News, VA
- Average snowfall in December: 0.28"
The month with the highest snowfall is February (0.94").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Newport News, VA
- Average snowfall days in December: 0.9 days
The months with the highest number of snowfall days are January and February (2.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in December
Newport News, VA
- Average sea temperature in December: 52.7°F
The best month for swimming (with the highest average sea temperature) is August (80°F).
The coldest month (with the lowest average sea temperature) is February (44.5°F).
Average daylight in December /
Average sunshine in December
Newport News, 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 42min).
- Average sunshine in December: 5h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in December
Newport News, VA
- Average sunshine days in December: 17.3 days
The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is August (10.5 days).
Average UV index in December
Newport News, VA
- Average UV index in December: 3
The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in December
Newport News, VA
- Average cloud cover in December: 41
The month with the most cloud cover is March (Cloud cover 45).
The months with the least cloud cover are June and July (Cloud cover 27).
Average visibility in December
Newport News, 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).
Newport News, Virginia, USA
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