December weather forecast
Merchant, VA

Weather in December

December, the first month of the winter in Merchant, is also a fresh month, with an average temperature fluctuating between 36.3°F (2.4°C) and 50.2°F (10.1°C).

Temperature

In December, the average high-temperature marginally drops from a moderate 57.6°F (14.2°C) in November to a fresh 50.2°F (10.1°C). In Merchant, the average low-temperature is 36.3°F (2.4°C).

Humidity

December is the most humid month, with an average relative humidity of 79%.

Rainfall

In Merchant, during December, the rain falls for 11.2 days and regularly aggregates up to 2.76" (70mm) of precipitation. Throughout the year, in Merchant, there are 159.5 rainfall days, and 30.39" (772mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Merchant are January through April, November and December. In Merchant, snow falls for 1 days, with typically accumulated 1.14" (29mm) of snow. In Merchant, during the entire year, snow falls for 8.8 days and aggregates up to 7.13" (181mm) of snow.

Daylight

The month with the shortest days in Merchant is December, with an average of 9h and 42min of daylight.
On the first day of December in Merchant, sunrise is at 7:05 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:05 pm EST.

Sunshine

The month with the least sunshine in Merchant is December, with an average of 5.4h of sunshine.

UV index

The months with the lowest UV index in Merchant are January and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 2 in December interpret into the following advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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 Merchant?

In Merchant, Virginia, in December, the average high-temperature is 50.2°F (10.1°C), and the average low-temperature is 36.3°F (2.4°C). in September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, is calculated to be 86°F (30°C).

What is the most humid month in Merchant?

December is the most humid month in Merchant, Virginia, with an average relative humidity of 79%.

What is the average humidity in December in Merchant?

In Merchant, Virginia, the average relative humidity in December is 79%.

How much does it rain in Merchant in December?

In December, the rain falls for 11.2 days. Throughout December, 2.76" (70mm) of precipitation is accumulated.

How much does it snow in Merchant in December?

In Merchant, Virginia, in December, during 1 snowfall days, 1.14" (29mm) of snow is typically accumulated.

What is the month with the shortest days in Merchant?

The month with the shortest days is December, with an average of 9h and 42min of daylight.

What is the average length of the day in December in Merchant?

The average day length in December in Merchant is 9h and 42min.

When are sunrise and sunset in December in Merchant?

In December, on the first day of the month, sunrise is at 7:05 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:05 pm EST.

What is the month with the least sunshine in Merchant?

The month with the least sunshine in Merchant, Virginia, is December, with an average of 5.4h of sunshine.

How many hours of sunshine does Merchant have in December?

In December, the average sunshine duration is 5.4h.

What is the month with the lowest UV index in Merchant?

January and December, with an average maximum UV index of 2, are months with the lowest UV index in Merchant.

How high is the UV index in December in Merchant?

In Merchant, Virginia, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to UV radiation.
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
Merchant, VA

Average temperature in December - Merchant, VA
  • Average high temperature in December: 50.2°F

The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (45.9°F).

  • Average low temperature in December: 36.3°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 (30.6°F).

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Average pressure in December
Merchant, VA

Average pressure in December - Merchant, VA
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

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Average wind speed in December
Merchant, VA

Average wind speed in December - Merchant, VA
  • Average wind speed in December: 6.5mph

The windiest month (with the highest average wind speed) is April (8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in December
Merchant, VA

Average humidity in December - Merchant, 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 (72%).

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Average rainfall in December
Merchant, VA

Average rainfall in December - Merchant, VA
  • Average rainfall in December: 2.76"

The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is September (1.85").

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Average rainfall days in December
Merchant, VA

Average rainfall days in December - Merchant, VA
  • Average rainfall days in December: 11.2 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (9.4 days).

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Average snowfall in December
Merchant, VA

Average snowfall in December - Merchant, VA
  • Average snowfall in December: 1.14"

The month with the highest snowfall is March (2.01").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Merchant, VA

Average snowfall days in December - Merchant, VA
  • Average snowfall days in December: 1 days

The month with the highest number of snowfall days is January (3.2 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
Merchant, VA

Average daylight in December / Average sunshine in December - Merchant, VA
  • Average daylight in December: 9h and 42min

The month with the longest days is June (Average daylight: 14h and 38min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in December: 5h and 24min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

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Average sunshine days in December
Merchant, VA

Average sunshine days in December - Merchant, VA
  • Average sunshine days in December: 18.1 days

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is May (11 days).

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Average UV index in December
Merchant, VA

Average UV index in December - Merchant, VA
  • Average UV index in December: 2

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).

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Average cloud cover in December
Merchant, VA

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

The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is June (Cloud cover 31).

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Average visibility in December
Merchant, VA

Average visibility in December - Merchant, VA
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).

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