December weather forecast
Washington, NC

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Weather in December

The first month of the winter, December, is still a cool month in Washington, North Carolina, with an average temperature fluctuating between 54.5°F (12.5°C) and 39.4°F (4.1°C).

Temperature

December's onset brings a negligible change in high-temperatures, falling from a moderate 60.4°F (15.8°C) in November to a fresh 54.5°F (12.5°C). Washington's temperature in December lowers to a consistent average of 39.4°F (4.1°C) during the nights.

Humidity

The months with the highest humidity in Washington are August, September and December, with an average relative humidity of 80%.

Rainfall

In December, the rain falls for 10.9 days. Throughout December, 2.83" (72mm) of precipitation is accumulated. In Washington, North Carolina, during the entire year, the rain falls for 169 days and collects up to 36.1" (917mm) of precipitation.

Snowfall

Months with snowfall in Washington are January through March, November and December. In Washington, North Carolina, in December, snow falls for 0.3 days, with typically accumulated 0.24" (6mm) of snow. Throughout the year, in Washington, there are 3.5 snowfall days, and 2.52" (64mm) of snow is accumulated.

Daylight

With an average of 9h and 48min of daylight, December has the shortest days of the year in Washington.
On the first day of the month, sunrise is at 6:59 am and sunset at 4:55 pm. On the last day of December, sunrise is at 7:17 am and sunset at 5:05 pm EST.

Sunshine

The average sunshine in December in Washington is 5.4h.

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 ordinary person.
Note: During December, 3 as the daily maximum UV index converts into the following advice:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
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Frequently asked questions

What is the usual temperature for Washington in December?

In Washington, 54.5°F (12.5°C) is the average high-temperature and 39.4°F (4.1°C) is the average low-temperature during December. In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines air temperature and relative humidity, is calculated to be 89.6°F (32°C).

What are the most humid months in Washington?

The months with the highest humidity are August, September and December, with an average relative humidity of 80%.

What is the average humidity in December in Washington?

In Washington, the average relative humidity in December is 80%.

How many days does it rain in December in Washington?

In Washington, North Carolina, during December, the rain falls for 10.9 days and regularly aggregates up to 2.83" (72mm) of precipitation.

How much does it snow in Washington in December?

In Washington, in December, snow falls for 0.3 days, with typically accumulated 0.24" (6mm) of snow.

What is the month with the shortest days in Washington?

December has the shortest days of the year in Washington, with an average of 9h and 48min of daylight.

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

The average day length in December in Washington, North Carolina, is 9h and 48min.

When are sunrise and sunset in December in Washington?

On the first day of December, sunrise is at 6:59 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 5:05 pm EST.

How long on average sun shines in December in Washington?

The average sunshine duration in December in Washington is 5.4h.

What is the UV index reading in December in Washington?

In December, the average daily maximum UV index in Washington, North Carolina, is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.
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
Washington, NC

Average temperature in December - Washington, NC
  • Average high temperature in December: 54.5°F

The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is January (49.6°F).

  • Average low temperature in December: 39.4°F

The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is January (33.6°F).

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Average pressure in December
Washington, NC

Average pressure in December - Washington, NC
  • Average pressure in December: 30.13"Hg

The months with the highest atmospheric pressure are November and December (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

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Average wind speed in December
Washington, NC

Average wind speed in December - Washington, NC
  • Average wind speed in December: 6.5mph

The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in December
Washington, NC

Average humidity in December - Washington, NC
  • Average humidity in December: 80%

The months with the highest relative humidity are August, September and December (80%).
The months with the lowest relative humidity are January and April (76%).

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Average rainfall in December
Washington, NC

Average rainfall in December - Washington, NC
  • Average rainfall in December: 2.83"

The wettest month (with the highest rainfall) is August (4.17").
The driest month (with the least rainfall) is January (2.05").

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Average rainfall days in December
Washington, NC

Average rainfall days in December - Washington, NC
  • Average rainfall days in December: 10.9 days

The month with the highest number of rainy days is July (20.3 days).
The month with the least rainy days is November (9.1 days).

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Average snowfall in December
Washington, NC

Average snowfall in December - Washington, NC
  • Average snowfall in December: 0.24"

The month with the highest snowfall is February (1.1").
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
Washington, NC

Average snowfall days in December - Washington, NC
  • Average snowfall days in December: 0.3 days

The month with the highest number of snowfall days is January (1.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Washington, NC

Average daylight in December / Average sunshine in December - Washington, NC
  • Average daylight in December: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in December: 5h and 2min

The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).

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Average sunshine days in December
Washington, NC

Average sunshine days in December - Washington, NC
  • Average sunshine days in December: 18.9 days

The month with the most sunshine days is October (19.4 days).
The month with the least sunshine days is July (7.8 days).

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Average UV index in December
Washington, NC

Average UV index in December - Washington, NC
  • Average UV index in December: 3

The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is January (UV index 2).

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Average cloud cover in December
Washington, NC

Average cloud cover in December - Washington, NC
  • 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 and October (Cloud cover 35).

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Average visibility in December
Washington, NC

Average visibility in December - Washington, NC
  • Average visibility in December: 6mi

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

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Washington, North Carolina, USA

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