December weather forecast
Accomac, VA

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Weather in December

The first month of the winter, December, is still a chilly month in Accomac, Virginia, with an average temperature ranging between min 41.7°F (5.4°C) and max 48.9°F (9.4°C).

Temperature

A subtle shift in Accomac's weather is observed as November turns into December, with the average high temperature reducing from a refreshing 56.1°F (13.4°C) to a frosty 48.9°F (9.4°C). Nights in December cool down in Accomac, indicating a minor disparity from daytime highs with an average low-temperature of 41.7°F (5.4°C).

Humidity

The average relative humidity in December is 76%.

Rainfall

In Accomac, during December, the rain falls for 12.5 days and regularly aggregates up to 3.03" (77mm) of precipitation. Throughout the year, in Accomac, there are 175.7 rainfall days, and 37.72" (958mm) of precipitation is accumulated.

Snowfall

January through March and December are months with snowfall in Accomac. December is the first month it typically snows in Accomac. Throughout December, in the average 0.9 snowfall days, it receives 0.24" (6mm) of snow. Throughout the year, there are 6 snowfall days, and 1.5" (38mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 36min of daylight.
On the first day of December in Accomac, sunrise is at 6:59 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:54 pm EST.

Sunshine

In December, the average sunshine 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 unsafe exposure to UV radiation for the average person.
Note: An average UV index of 3 in December transforms into this advice:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. The solar radiation around mid-day is intense; avoid the Sun and stay safe. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

What are December temperatures in Accomac?

In Accomac, in December, the average high-temperature is 48.9°F (9.4°C), and the average low-temperature is 41.7°F (5.4°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, in August is appraised at 86°F (30°C).

What is the average humidity in December in Accomac?

In December, the average relative humidity in Accomac, Virginia, is 76%.

How much does it rain in Accomac in December?

In Accomac, Virginia, in December, it is raining for 12.5 days, with typically 3.03" (77mm) of accumulated precipitation.

When does it start to snow in Accomac?

December is the first month it typically snows. Throughout December, in the average 0.9 snowfall days, it receives 0.24" (6mm) of snow.

What is the month with the shortest days in Accomac?

With an average of 9h and 36min of daylight, December has the shortest days of the year.

How many hours of daylight does Accomac have in December?

In Accomac, the average day length in December is 9h and 37min.

When are sunrise and sunset in December in Accomac?

In December, on the first day of the month, sunrise is at 6:59 am and sunset at 4:44 pm. On the last day of the month, in Accomac, Virginia, sunrise is at 7:17 am and sunset at 4:54 pm EST.

How long on average sun shines in December in Accomac?

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

What is the UV index intensity in December in Accomac?

In Accomac, Virginia, the average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Accomac, VA

Average temperature in December - Accomac, VA
  • Average high temperature in December: 48.9°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (43.5°F).

  • Average low temperature in December: 41.7°F

The month with the highest average low temperature is July (75.7°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).

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Average pressure in December
Accomac, VA

Average pressure in December - Accomac, VA
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in December
Accomac, VA

Average wind speed in December - Accomac, VA
  • Average wind speed in December: 12.4mph

The windiest month (with the highest average wind speed) is January (13.1mph).
The calmest month (with the lowest average wind speed) is August (9.2mph).

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Average humidity in December
Accomac, VA

Average humidity in December - Accomac, VA
  • Average humidity in December: 76%

The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January and November (74%).

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Average rainfall in December
Accomac, VA

Average rainfall in December - Accomac, VA
  • Average rainfall in December: 3.03"

The wettest month (with the highest rainfall) is August (4.29").
The driest months (with the least rainfall) are January and November (2.44").

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Average rainfall days in December
Accomac, VA

Average rainfall days in December - Accomac, VA
  • Average rainfall days in December: 12.5 days

The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is November (10.9 days).

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Average snowfall in December
Accomac, VA

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

The month with the highest snowfall is February (0.79").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in December
Accomac, VA

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

The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Accomac, 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 3min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).

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Average sunshine days in December
Accomac, VA

Average sunshine days in December - Accomac, VA
  • Average sunshine days in December: 15.9 days

The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is July (9.4 days).

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Average UV index in December
Accomac, VA

Average UV index in December - Accomac, 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
Accomac, VA

Average cloud cover in December - Accomac, VA
  • Average cloud cover in December: 42

The month with the most cloud cover is March (Cloud cover 44).
The months with the least cloud cover are June, July and August (Cloud cover 26).

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Average visibility in December
Accomac, VA

Average visibility in December - Accomac, 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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Accomac, Virginia, USA

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