December weather forecast
Olanta, SC

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Weather in December

The first month of the winter, December, is still a refreshing month in Olanta, South Carolina, with an average temperature ranging between min 41.9°F (5.5°C) and max 57.4°F (14.1°C).

Temperature

Start of December brings a slight shift in the average high-temperature, dipping a bit from November's refreshing 63.1°F (17.3°C) to a moderate 57.4°F (14.1°C). December in Olanta, South Carolina, sees the temperature falling to a mean low of 41.9°F (5.5°C).

Humidity

The average relative humidity in December in Olanta is 77%.

Rainfall

In Olanta, during December, the rain falls for 10.6 days and regularly aggregates up to 3.35" (85mm) of precipitation. In Olanta, during the entire year, the rain falls for 170.2 days and collects up to 34.06" (865mm) of precipitation.

Snowfall

March through December are months without snowfall in Olanta.

Daylight

December has the shortest days of the year, with an average of 9h and 54min of daylight.
On the first day of the month, sunrise is at 7:07 am and sunset at 5:10 pm. On the last day of December, sunrise is at 7:24 am and sunset at 5:21 pm EST.

Sunshine

The month with the least sunshine in Olanta is December, with an average of 5.5h of sunshine.

UV index

January, February and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: A maximum high UV index of 3 in December translates into the following recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
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Frequently asked questions

What are December temperatures in Olanta?

The high-temperature, in December, in Olanta, records 57.4°F (14.1°C), while the low-temperature is 41.9°F (5.5°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in September is estimated at 93.2°F (34°C).

What is the average humidity in December in Olanta?

The average relative humidity in December is 77%.

How much does it rain in Olanta in December?

In December, the rain falls for 10.6 days. Throughout December, 3.35" (85mm) of precipitation is accumulated.

When it does not snow in Olanta?

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

Does it snow in Olanta in December?

In Olanta, in December, it doesn't snow. In January, it regularly snows.

What is the month with the shortest days in Olanta?

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

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

In December, the average day length is 9h and 56min.

When are sunrise and sunset in December in Olanta?

In December, on the first day of the month, sunrise is at 7:07 am and sunset at 5:10 pm. On the last day of the month, in Olanta, South Carolina, sunrise is at 7:24 am and sunset at 5:21 pm EST.

What is the month with the least sunshine in Olanta?

With an average of 5.5h of sunshine, December has the least sunshine of the year in Olanta.

How many hours of sunshine does Olanta have in December?

The average sunshine duration in December in Olanta is 5.5h.

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

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

What is the UV index intensity in December in Olanta?

In Olanta, the average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a moderate health threat 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
Olanta, SC

Average temperature in December - Olanta, SC
  • Average high temperature in December: 57.4°F

The warmest month (with the highest average high temperature) is July (89.8°F).
The month with the lowest average high temperature is January (53.4°F).

  • Average low temperature in December: 41.9°F

The month with the highest average low temperature is July (72.5°F).
The coldest month (with the lowest average low temperature) is January (37.6°F).

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Average pressure in December
Olanta, SC

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

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

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Average wind speed in December
Olanta, SC

Average wind speed in December - Olanta, SC
  • 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 (5.5mph).

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Average humidity in December
Olanta, SC

Average humidity in December - Olanta, SC
  • Average humidity in December: 77%

The months with the highest relative humidity are May, August and September (78%).
The months with the lowest relative humidity are January and November (73%).

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Average rainfall in December
Olanta, SC

Average rainfall in December - Olanta, SC
  • Average rainfall in December: 3.35"

The wettest month (with the highest rainfall) is August (4.41").
The driest month (with the least rainfall) is January (1.46").

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Average rainfall days in December
Olanta, SC

Average rainfall days in December - Olanta, SC
  • Average rainfall days in December: 10.6 days

The month with the highest number of rainy days is July (21.8 days).
The month with the least rainy days is November (8.9 days).

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Average snowfall in December
Olanta, SC

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

The month with the highest snowfall is February (0.39").
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
Olanta, SC

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

The month with the highest number of snowfall days is February (0.7 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
Olanta, SC

Average daylight in December / Average sunshine in December - Olanta, 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 3min

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 30min).

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Average sunshine days in December
Olanta, SC

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

The months with the most sunshine days are October and November (20.4 days).
The month with the least sunshine days is July (6.5 days).

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Average UV index in December
Olanta, SC

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

The months with the highest UV index are June and July (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
Olanta, SC

Average cloud cover in December - Olanta, SC
  • Average cloud cover in December: 41

The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 29).

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Average visibility in December
Olanta, SC

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

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