December weather forecast
Norfolk, VA

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A breathtaking night panorama of the well developed Norfolk City, Virginia
A breathtaking night panorama of the well developed Norfolk City, Virginia

Weather in December

December signals the arrival of the Winter holiday season in Norfolk. The weather is similar to January but includes a moderate amount of rainfall. The sea temperature plummets, discouraging ocean visits. The shorter daylight hours and decreasing sunshine hours add to the overall chill. As residents huddle up for the holidays, they can expect light winds, doing little to disturb the warmth and cheer of the season.

Temperature

With the onset of December, the average high-temperature in Norfolk subtly recedes from November's refreshing 58.3°F (14.6°C) to a fresh 51.4°F (10.8°C). During December, the average low-temperature is recorded at a cold 40.5°F (4.7°C).

Humidity

The average relative humidity in December is 77%.

Rainfall

In Norfolk, in December, it is raining for 10.8 days, with typically 1.46" (37mm) of accumulated precipitation. Throughout the year, in Norfolk, there are 151.9 rainfall days, and 20.35" (517mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall in Norfolk. In December, it is snowing for 0.9 days. Throughout December, 0.24" (6mm) of snow is accumulated. In Norfolk, during the entire year, snow falls for 5.3 days and aggregates up to 1.18" (30mm) of snow.

Ocean temperature

In Norfolk, Virginia, the average seawater temperature in December is 52.7°F (11.5°C).
Note: One needs to be cautious in 52.7°F (11.5°C) waters. 55.4°F (13°C) is already forbidding, but sub14°F (-10°C) can seriously disrupt your breathing and lead to a frigid shock, considering one's well-being.

Daylight

With an average of 9h and 42min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 6:59 am and sunset at 4:48 pm. On the last day of December, in Norfolk, sunrise is at 7:17 am and sunset at 4:59 pm EST.

Sunshine

The average sunshine in December in Norfolk, Virginia, is 5.5h.

UV index

In Norfolk, Virginia, the average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 3 in December translates into these instructions:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
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Frequently asked questions

What is the temperature in December in Norfolk?

During December, Norfolk experiences an average high-temperature of 51.4°F (10.8°C) and a low-temperature of 40.5°F (4.7°C). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, is computed to be 93.2°F (34°C).

What is the average humidity in December in Norfolk?

The average relative humidity in December is 77%.

How many days does it rain in December in Norfolk?

In December, in Norfolk, Virginia, the rain falls for 10.8 days. Throughout December, 1.46" (37mm) of precipitation is accumulated.

How much does it snow in Norfolk in December?

In December, in Norfolk, it is snowing for 0.9 days. Throughout December, 0.24" (6mm) of snow is accumulated.

What is the water temperature in December in Norfolk?

In Norfolk, Virginia, in December, the average water temperature is 52.7°F (11.5°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

What is the month with the shortest days in Norfolk?

December has the shortest days of the year in Norfolk, with an average of 9h and 42min of daylight.

How many hours of daylight does Norfolk have in December?

In December, the average day length in Norfolk, Virginia, is 9h and 41min.

What time are sunrise and sunset in December in Norfolk?

In December, on the first day of the month, sunrise is at 6:59 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:59 pm EST.

How long on average sun shines in December in Norfolk?

In December, the average sunshine duration in Norfolk, Virginia, is 5.5h.

What is the UV index reading in December in Norfolk?

In December, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Norfolk, VA

Average temperature in December - Norfolk, VA
  • Average high temperature in December: 51.4°F

The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (45.9°F).

  • Average low temperature in December: 40.5°F

The month with the highest average low temperature is July (73.6°F).
The coldest month (with the lowest average low temperature) is January (34.7°F).

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Average pressure in December
Norfolk, VA

Average pressure in December - Norfolk, 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).

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Average wind speed in December
Norfolk, VA

Average wind speed in December - Norfolk, VA
  • Average wind speed in December: 9.1mph

The windiest months (with the highest average wind speed) are March and April (10.5mph).
The calmest month (with the lowest average wind speed) is August (7.5mph).

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Average humidity in December
Norfolk, VA

Average humidity in December - Norfolk, VA
  • Average humidity in December: 77%

The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are July and November (74%).

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Average rainfall in December
Norfolk, VA

Average rainfall in December - Norfolk, VA
  • Average rainfall in December: 1.46"

The wettest month (with the highest rainfall) is August (2.52").
The driest month (with the least rainfall) is November (1.1").

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Average rainfall days in December
Norfolk, VA

Average rainfall days in December - Norfolk, VA
  • Average rainfall days in December: 10.8 days

The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is November (8.3 days).

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Average snowfall in December
Norfolk, VA

Average snowfall in December - Norfolk, VA
  • Average snowfall in December: 0.24"

The month with the highest snowfall is January (0.47").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in December
Norfolk, VA

Average snowfall days in December - Norfolk, VA
  • Average snowfall days in December: 0.9 days

The month with the highest number of snowfall days is January (2.2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average sea temperature in December
Norfolk, VA

Average sea temperature in December - Norfolk, 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).

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Average daylight in December /
Average sunshine in December
Norfolk, VA

Average daylight in December / Average sunshine in December - Norfolk, VA
  • Average daylight in December: 9h and 4min

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 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 24min).

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Average sunshine days in December
Norfolk, VA

Average sunshine days in December - Norfolk, VA
  • Average sunshine days in December: 19.1 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is August (10.8 days).

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Average UV index in December
Norfolk, VA

Average UV index in December - Norfolk, 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).

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Average cloud cover in December
Norfolk, VA

Average cloud cover in December - Norfolk, VA
  • Average cloud cover in December: 41

The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 26).

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Average visibility in December
Norfolk, VA

Average visibility in December - Norfolk, 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).

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Norfolk, Virginia, USA

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