December weather forecast
Clearwater, SC

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Weather in December

December, the first month of the winter in Clearwater, is still a mild month, with an average temperature varying between 42.6°F (5.9°C) and 57°F (13.9°C).

Temperature

Clearwater's transition into December involves a gentle shift in temperature, receding from an enjoyable 63.3°F (17.4°C) in November to a moderate 57°F (13.9°C). Clearwater records a consistent low-temperature of 42.6°F (5.9°C) during December nights.

Humidity

With an average relative humidity of 74%, December is the most humid month.

Rainfall

December is the month with the most rainfall. Rain falls for 10.8 days and accumulates 2.95" (75mm) of precipitation.

Snowfall

Months with snowfall are January through March and December. December is the first month it typically snows in Clearwater, South Carolina. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. In Clearwater, during the entire year, snow falls for 1 days and aggregates up to 0.75" (19mm) of snow.

Daylight

December has the shortest days of the year in Clearwater, with an average of 10h and 0min of daylight.
On the first day of the month, sunrise is at 7:14 am and sunset at 5:19 pm. On the last day of December, sunrise is at 7:31 am and sunset at 5:30 pm EST.

Sunshine

December has the least sunshine of the year, with an average of 5.4h of sunshine.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 3 during December translates into the following guidance:
Be vigilant - A duty to shield skin and eyes from injury exists. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
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Frequently asked questions

What is the average December temperature in Clearwater?

During December, Clearwater experiences an average high-temperature of 57°F (13.9°C) and a low-temperature of 42.6°F (5.9°C). In September, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, is evaluated at 93.2°F (34°C).

What is the most humid month in Clearwater?

The most humid month in Clearwater, South Carolina, is December, with an average relative humidity of 74%.

What is the average humidity in December in Clearwater?

In Clearwater, the average relative humidity in December is 74%.

What is the rainiest month in Clearwater?

The month with the most rainfall in Clearwater is December, when the rain falls for 10.8 days and typically aggregates up to 2.95" (75mm) of precipitation.

How many days does it rain in December in Clearwater?

In Clearwater, South Carolina, during December, the rain falls for 10.8 days and regularly aggregates up to 2.95" (75mm) of precipitation.

When does it start snowing in Clearwater?

December is the first month it typically snows in Clearwater, South Carolina. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow.

What is the month with the shortest days in Clearwater?

December has the shortest days of the year in Clearwater, South Carolina, with an average of 10h and 0min of daylight.

How many hours of daylight does Clearwater have in December?

In Clearwater, South Carolina, the average day length in December is 9h and 59min.

What time are sunrise and sunset in December in Clearwater?

On the first day of December, sunrise is at 7:14 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 5:30 pm EST.

What is the month with the least sunshine in Clearwater?

With an average of 5.4h of sunshine, December has the least sunshine of the year in Clearwater, South Carolina.

How many hours of sunshine does Clearwater have in December?

The average sunshine duration in December is 5.4h.

What is the month with the lowest UV index in Clearwater?

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

What is the UV index intensity in December in Clearwater?

The average daily maximum UV index in December in Clearwater, South Carolina, 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
Clearwater, SC

Average temperature in December - Clearwater, SC
  • Average high temperature in December: 57°F

The warmest month (with the highest average high temperature) is July (92.7°F).
The month with the lowest average high temperature is January (53.4°F).

  • Average low temperature in December: 42.6°F

The month with the highest average low temperature is July (73.9°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).

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Average pressure in December
Clearwater, SC

Average pressure in December - Clearwater, SC
  • Average pressure in December: 30.14"Hg

The months with the highest atmospheric pressure are January, November and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

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Average wind speed in December
Clearwater, SC

Average wind speed in December - Clearwater, SC
  • Average wind speed in December: 7.5mph

The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

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Average humidity in December
Clearwater, SC

Average humidity in December - Clearwater, SC
  • Average humidity in December: 74%

The month with the highest relative humidity is December (74%).
The month with the lowest relative humidity is July (68%).

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Average rainfall in December
Clearwater, SC

Average rainfall in December - Clearwater, SC
  • Average rainfall in December: 2.95"

The wettest month (with the highest rainfall) is December (2.95").
The driest month (with the least rainfall) is September (1.42").

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Average rainfall days in December
Clearwater, SC

Average rainfall days in December - Clearwater, SC
  • Average rainfall days in December: 10.8 days

The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is November (7.2 days).

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Average snowfall in December
Clearwater, SC

Average snowfall in December - Clearwater, SC
  • Average snowfall in December: 0.04"

The month with the highest snowfall is February (0.31").
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
Clearwater, SC

Average snowfall days in December - Clearwater, SC
  • Average snowfall days in December: 0.1 days

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

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

Average daylight in December / Average sunshine in December - Clearwater, 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 54min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

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Average sunshine days in December
Clearwater, SC

Average sunshine days in December - Clearwater, SC
  • Average sunshine days in December: 19.1 days

The month with the most sunshine days is October (22 days).
The month with the least sunshine days is July (12.4 days).

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Average UV index in December
Clearwater, SC

Average UV index in December - Clearwater, 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
Clearwater, SC

Average cloud cover in December - Clearwater, SC
  • Average cloud cover in December: 42

The month with the most cloud cover is December (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 27).

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Average visibility in December
Clearwater, SC

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

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