December weather forecast
Martin, SC

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Weather in December

The first month of the winter, December, is also a moderate month in Martin, South Carolina, with an average temperature ranging between min 44.1°F (6.7°C) and max 58.6°F (14.8°C).

Temperature

The arrival of December is marked by a minor reduction in average high-temperature, sliding from an enjoyable 64.6°F (18.1°C) in November to a mild 58.6°F (14.8°C). Throughout the month of December, Martin sees a steady low-temperature average of 44.1°F (6.7°C).

Humidity

The months with the highest humidity in Martin are August and December, with an average relative humidity of 76%.

Rainfall

In Martin, South Carolina, in December, it is raining for 9.6 days, with typically 3.43" (87mm) of accumulated precipitation. Throughout the year, there are 152.9 rainfall days, and 31.18" (792mm) of precipitation is accumulated.

Snowfall

In Martin, snow does not fall in March through December.

Daylight

With an average of 10h and 0min of daylight, December has the shortest days of the year.
On the first day of December in Martin, South Carolina, sunrise is at 7:11 am and sunset at 5:18 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 5:29 pm EST.

Sunshine

December has the least sunshine of the year, with an average of 5.3h of sunshine.

UV index

January and December, with an average maximum UV index of 3, are months with the lowest UV index in Martin. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index of 3 in December converts into the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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Frequently asked questions

What is the average December temperature in Martin?

The high-temperature, in December, in Martin, records 58.6°F (14.8°C), while the low-temperature is 44.1°F (6.7°C). In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is computed to be 95°F (35°C).

What are the most humid months in Martin?

The months with the highest humidity are August and December, with an average relative humidity of 76%.

What is the average humidity in December in Martin?

In December, the average relative humidity in Martin, South Carolina, is 76%.

How much does it rain in Martin in December?

In Martin, in December, it is raining for 9.6 days, with typically 3.43" (87mm) of accumulated precipitation.

When it does not snow in Martin?

March through December are months without snowfall in Martin, South Carolina.

Does it snow in Martin in December?

In Martin, South Carolina, in December, it doesn't snow. In January, it regularly snows.

What is the month with the shortest days in Martin?

With an average of 10h and 0min of daylight, December has the shortest days of the year.

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

In December, the average day length in Martin, South Carolina, is 10h and 1min.

When are sunrise and sunset in December in Martin?

In December, on the first day of the month, sunrise is at 7:11 am and sunset at 5:18 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 5:29 pm EST.

What is the month with the least sunshine in Martin?

The month with the least sunshine in Martin is December, with an average of 5.3h of sunshine.

How many hours of sunshine does Martin have in December?

In December, the average sunshine duration in Martin is 5.3h.

What are the months with the lowest UV index in Martin?

The months with the lowest UV index in Martin are January and December, with an average maximum UV index of 3.

What is the UV index reading in December in Martin?

In December, the average daily maximum UV index in Martin is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to 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
Martin, SC

Average temperature in December - Martin, SC
  • Average high temperature in December: 58.6°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (55.4°F).

  • Average low temperature in December: 44.1°F

The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (39.9°F).

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Average pressure in December
Martin, SC

Average pressure in December - Martin, SC
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

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Average wind speed in December
Martin, SC

Average wind speed in December - Martin, SC
  • Average wind speed in December: 6.6mph

The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

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Average humidity in December
Martin, SC

Average humidity in December - Martin, SC
  • Average humidity in December: 76%

The months with the highest relative humidity are August and December (76%).
The month with the lowest relative humidity is January (70%).

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Average rainfall in December
Martin, SC

Average rainfall in December - Martin, SC
  • Average rainfall in December: 3.43"

The wettest month (with the highest rainfall) is August (3.7").
The driest month (with the least rainfall) is November (1.38").

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Average rainfall days in December
Martin, SC

Average rainfall days in December - Martin, SC
  • Average rainfall days in December: 9.6 days

The month with the highest number of rainy days is August (20.8 days).
The month with the least rainy days is November (6.6 days).

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Average snowfall in December
Martin, SC

Average snowfall in December - Martin, SC
  • Average snowfall in December: 0"

The month with the highest snowfall is February (0.12").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in December
Martin, SC

Average snowfall days in December - Martin, SC
  • Average snowfall days in December: 0 days

The months with the highest number of snowfall days are January and February (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).

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Average daylight in December /
Average sunshine in December
Martin, SC

Average daylight in December / Average sunshine in December - Martin, SC
  • Average daylight in December: 10h and 0min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in December: 5h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

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Average sunshine days in December
Martin, SC

Average sunshine days in December - Martin, SC
  • Average sunshine days in December: 19.5 days

The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is August (7.3 days).

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Average UV index in December
Martin, SC

Average UV index in December - Martin, SC
  • Average UV index in December: 3

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

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Average cloud cover in December
Martin, SC

Average cloud cover in December - Martin, SC
  • Average cloud cover in December: 43

The months with the most cloud cover are February and December (Cloud cover 43).
The month with the least cloud cover is October (Cloud cover 29).

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Average visibility in December
Martin, SC

Average visibility in December - Martin, SC
  • 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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Martin, South Carolina, USA

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