December weather forecast
Aynor, SC

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Weather in December

December, the first month of the winter in Aynor, is still a mild month, with an average temperature ranging between max 57.7°F (14.3°C) and min 43.9°F (6.6°C).

Temperature

December is characterized by a slight reduction in average high-temperature, easing from a comfortable 63.3°F (17.4°C) in November to a still refreshing 57.7°F (14.3°C). The nighttime temperature in Aynor dips to a chilly 43.9°F (6.6°C) on average during December.

Humidity

May, June, August, September and December, with an average relative humidity of 78%, are the most humid months in Aynor.

Rainfall

In Aynor, in December, it is raining for 7.6 days, with typically 1.38" (35mm) of accumulated precipitation. Throughout the year, in Aynor, South Carolina, there are 127.8 rainfall days, and 12.99" (330mm) of precipitation is accumulated.

Snowfall

In Aynor, snow does not fall in January, March through December.

Daylight

With an average of 9h and 54min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:04 am and sunset at 5:07 pm. On the last day of December, in Aynor, sunrise is at 7:22 am and sunset at 5:18 pm EST.

Sunshine

In Aynor, the average sunshine in December is 5.7h.

UV index

The months with the lowest UV index in Aynor are January, February and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The UV index of 3 in December translates into these instructions:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Minimize direct exposure to the Sun during midday when its radiation is at its peak. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
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Frequently asked questions

What are the temperatures in Aynor in December?

During December, Aynor experiences an average high-temperature of 57.7°F (14.3°C) and a low-temperature of 43.9°F (6.6°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in September is calculated to be 91.4°F (33°C).

What is the most humid month in Aynor?

May, June, August, September and December, with an average relative humidity of 78%, are most humid months.

What is the average humidity in December in Aynor?

The average relative humidity in December in Aynor, South Carolina, is 78%.

How much does it rain in Aynor in December?

In December, in Aynor, the rain falls for 7.6 days. Throughout December, 1.38" (35mm) of precipitation is accumulated.

When it does not snow in Aynor?

January, March through December are months without snowfall.

What is the month with the shortest days in Aynor?

The month with the shortest days in Aynor is December, with an average of 9h and 54min of daylight.

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

The average day length in December in Aynor is 9h and 56min.

When are sunrise and sunset in December in Aynor?

In December, on the first day of the month, sunrise is at 7:04 am and sunset at 5:07 pm. On the last day of the month, in Aynor, sunrise is at 7:22 am and sunset at 5:18 pm EST.

How many hours of sunshine does Aynor have in December?

The average sunshine duration in December is 5.7h.

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

January, February and December, with an average maximum UV index of 3, are months with the lowest UV index in Aynor, South Carolina.

How high is the UV index in December in Aynor?

In Aynor, the average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents 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
Aynor, SC

Average temperature in December - Aynor, SC
  • Average high temperature in December: 57.7°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (53.4°F).

  • Average low temperature in December: 43.9°F

The month with the highest average low temperature is July (74.5°F).
The coldest month (with the lowest average low temperature) is January (39.2°F).

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Average pressure in December
Aynor, SC

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

The months with the highest atmospheric pressure are January, November and December (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

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Average wind speed in December
Aynor, SC

Average wind speed in December - Aynor, SC
  • Average wind speed in December: 7.3mph

The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

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Average humidity in December
Aynor, SC

Average humidity in December - Aynor, SC
  • Average humidity in December: 78%

The months with the highest relative humidity are May, June, August, September and December (78%).
The month with the lowest relative humidity is January (74%).

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Average rainfall in December
Aynor, SC

Average rainfall in December - Aynor, SC
  • Average rainfall in December: 1.38"

The wettest month (with the highest rainfall) is August (1.93").
The driest month (with the least rainfall) is January (0.51").

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Average rainfall days in December
Aynor, SC

Average rainfall days in December - Aynor, SC
  • Average rainfall days in December: 7.6 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (6.3 days).

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Average snowfall in December
Aynor, SC

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

The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in December
Aynor, SC

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

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

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

Average daylight in December / Average sunshine in December - Aynor, SC
  • Average daylight in December: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in December: 5h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).

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Average sunshine days in December
Aynor, SC

Average sunshine days in December - Aynor, SC
  • Average sunshine days in December: 21.5 days

The month with the most sunshine days is January (23.1 days).
The month with the least sunshine days is July (9.2 days).

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Average UV index in December
Aynor, SC

Average UV index in December - Aynor, 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, February and December (UV index 3).

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Average cloud cover in December
Aynor, SC

Average cloud cover in December - Aynor, SC
  • Average cloud cover in December: 40

The months with the most cloud cover are February and December (Cloud cover 40).
The months with the least cloud cover are June and July (Cloud cover 27).

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Average visibility in December
Aynor, SC

Average visibility in December - Aynor, 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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Aynor, South Carolina, USA

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