December weather forecast
Plymouth, NC

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Weather in December

The first month of the winter, December, is still a cool month in Plymouth, North Carolina, with temperature in the range of an average low of 39.6°F (4.2°C) and an average high of 54.1°F (12.3°C).

Temperature

The start of December involves a subtle temperature drop, shifting from a moderate 60.3°F (15.7°C) in November to a cool 54.1°F (12.3°C). During the month of December, an average low-temperature of 39.6°F (4.2°C) is recorded in Plymouth.

Humidity

December is the most humid month in Plymouth, North Carolina, with an average relative humidity of 80%.

Rainfall

In December, in Plymouth, the rain falls for 11.1 days. Throughout December, 2.2" (56mm) of precipitation is accumulated. In Plymouth, during the entire year, the rain falls for 165 days and collects up to 28.74" (730mm) of precipitation.

Snowfall

Months with snowfall in Plymouth are January through March and December. December is the first month it typically snows in Plymouth. Throughout December, in the average 0.5 snowfall days, it receives 0.2" (5mm) of snow. In Plymouth, during the entire year, snow falls for 4 days and aggregates up to 2.44" (62mm) of snow.

Daylight

The month with the shortest days in Plymouth, North Carolina, is December, with an average of 9h and 48min of daylight.
On the first day of the month, sunrise is at 6:59 am and sunset at 4:53 pm. On the last day of December, in Plymouth, North Carolina, sunrise is at 7:17 am and sunset at 5:03 pm EST.

Sunshine

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

UV index

In December, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: In December, the maximum UV index of 3 suggests these recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
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Frequently asked questions

What are December temperatures in Plymouth?

The average high-temperature, in December, in Plymouth, is 54.1°F (12.3°C), while the average low-temperature is 39.6°F (4.2°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, in September is appraised at 87.8°F (31°C).

What is the most humid month in Plymouth?

With an average relative humidity of 80%, December is the most humid month in Plymouth, North Carolina.

What is the average humidity in December in Plymouth?

The average relative humidity in December is 80%.

How much does it rain in Plymouth in December?

In Plymouth, North Carolina, in December, it is raining for 11.1 days, with typically 2.2" (56mm) of accumulated precipitation.

When does it start to snow in Plymouth?

December is the first month it typically snows in Plymouth, North Carolina. Throughout December, in the average 0.5 snowfall days, it receives 0.2" (5mm) of snow.

What is the month with the shortest days in Plymouth?

The month with the shortest days is December, with an average of 9h and 48min of daylight.

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

The average day length in December in Plymouth, North Carolina, is 9h and 46min.

When is the sunrise / sunset in December in Plymouth?

In December, on the first day of the month, sunrise is at 6:59 am and sunset at 4:53 pm. On the last day of the month, in Plymouth, sunrise is at 7:17 am and sunset at 5:03 pm EST.

What is the month with the least sunshine in Plymouth?

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

How long on average sun shines in December in Plymouth?

In Plymouth, North Carolina, the average sunshine duration in December is 5.4h.

How high is the UV index in December in Plymouth?

In Plymouth, North Carolina, the average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
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
Plymouth, NC

Average temperature in December - Plymouth, NC
  • Average high temperature in December: 54.1°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 (48.9°F).

  • Average low temperature in December: 39.6°F

The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (33.8°F).

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Average pressure in December
Plymouth, NC

Average pressure in December - Plymouth, NC
  • 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
Plymouth, NC

Average wind speed in December - Plymouth, NC
  • Average wind speed in December: 6.7mph

The windiest month (with the highest average wind speed) is April (8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

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Average humidity in December
Plymouth, NC

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

The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are January and April (76%).

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Average rainfall in December
Plymouth, NC

Average rainfall in December - Plymouth, NC
  • Average rainfall in December: 2.2"

The wettest month (with the highest rainfall) is August (3.23").
The driest month (with the least rainfall) is January (1.73").

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Average rainfall days in December
Plymouth, NC

Average rainfall days in December - Plymouth, NC
  • Average rainfall days in December: 11.1 days

The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is October (9.3 days).

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Average snowfall in December
Plymouth, NC

Average snowfall in December - Plymouth, NC
  • Average snowfall in December: 0.2"

The month with the highest snowfall is February (1.06").
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
Plymouth, NC

Average snowfall days in December - Plymouth, NC
  • Average snowfall days in December: 0.5 days

The month with the highest number of snowfall days is January (1.7 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
Plymouth, NC

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

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 48min).

  • Average sunshine in December: 5h and 2min

The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

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Average sunshine days in December
Plymouth, NC

Average sunshine days in December - Plymouth, NC
  • Average sunshine days in December: 18.5 days

The month with the most sunshine days is October (20.1 days).
The month with the least sunshine days is July (8.8 days).

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Average UV index in December
Plymouth, NC

Average UV index in December - Plymouth, 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
Plymouth, NC

Average cloud cover in December - Plymouth, 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 July (Cloud cover 32).

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Average visibility in December
Plymouth, NC

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

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

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Plymouth, North Carolina, USA

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