December weather forecast
Norfolk, VA

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, the first month of the winter in Norfolk, is still a cool month, with an average temperature ranging between max 51.4°F (10.8°C) and min 40.5°F (4.7°C).

Temperature

In Norfolk, the average high-temperature in December slightly decreases from a mild 58.3°F (14.6°C) in November to a fresh 51.4°F (10.8°C). In December, the average low-temperature is 40.5°F (4.7°C).

Humidity

In December, the average relative humidity is 77%.

Rainfall

In December, in Norfolk, the rain falls for 10.8 days. Throughout December, 1.46" (37mm) of precipitation is accumulated. In Norfolk, during the entire year, the rain falls for 151.9 days and collects up to 20.35" (517mm) of precipitation.

Snowfall

Months with snowfall in Norfolk are January through March, November and December. In Norfolk, during 0.9 snowfall days, 0.24" (6mm) of snow is typically accumulated. Throughout the year, there are 5.3 snowfall days, and 1.18" (30mm) of snow is accumulated.

Ocean temperature

In December, the average ocean temperature in Norfolk is 52.7°F (11.5°C).
Note: Swimming in 52.7°F (11.5°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

Daylight

December has the shortest days of the year, with an average of 9h and 41min of daylight.
On the first day of the month, sunrise is at 6:59 am and sunset at 4:49 pm. On the last day of December, sunrise is at 7:17 am and sunset at 4:58 pm EST.

Sunshine

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

UV index

The average daily maximum UV index in December in Norfolk is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 3 in December interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in December in Norfolk?

The average high-temperature, in December, is 51.4°F (10.8°C), while the average low-temperature is 40.5°F (4.7°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, in August is calculated to be 93.2°F (34°C).

What is the average humidity in December in Norfolk?

In December, the average relative humidity in Norfolk is 77%.

How many days does it rain in December in Norfolk?

In Norfolk, in December, it is raining for 10.8 days, with typically 1.46" (37mm) of accumulated precipitation.

How much does it snow in Norfolk in December?

In Norfolk, in December, during 0.9 snowfall days, 0.24" (6mm) of snow is typically accumulated.

What is the water temperature in December in Norfolk?

In Norfolk, in December, the average water temperature is 52.7°F (11.5°C). Swimming in 52.7°F (11.5°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

What is the month with the shortest days in Norfolk?

The month with the shortest days is December, with an average of 9h and 41min of daylight.

How many hours of daylight does Norfolk have in December?

The average day length in December in Norfolk is 9h and 41min.

When is the sunrise / sunset in December in Norfolk?

On the first day of December in Norfolk, Virginia, sunrise is at 6:59 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:58 pm EST.

How long on average sun shines in December in Norfolk?

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

What is the UV index reading in December in Norfolk?

The average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
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 41min

The month with the longest days is June (Average daylight: 14h and 39min).
The month with the shortest days is December (Average daylight: 9h and 41min).

  • Average sunshine in December: 5h and 30min

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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