December weather forecast
Coosawhatchie, SC

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Weather in December

December, the first month of the winter in Coosawhatchie, is also an enjoyable month, with an average temperature ranging between max 61.5°F (16.4°C) and min 47.3°F (8.5°C).

Temperature

Coosawhatchie's progression into December involves a gentle drop in the average high-temperature, from a comfortable 66.9°F (19.4°C) in November to a still enjoyable 61.5°F (16.4°C). Coosawhatchie reports an average low-temperature of 47.3°F (8.5°C) during the nights of December.

Humidity

The most humid month is December, with an average relative humidity of 77%.

Rainfall

In Coosawhatchie, during December, the rain falls for 11.3 days and regularly aggregates up to 3.27" (83mm) of precipitation. In Coosawhatchie, during the entire year, the rain falls for 166.9 days and collects up to 33.9" (861mm) of precipitation.

Snowfall

February through December are months without snowfall in Coosawhatchie.

Daylight

With an average of 10h and 6min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:08 am and sunset at 5:17 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:28 pm EST.

Sunshine

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

UV index

In December, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: A daily high UV index of 4 in December leads to these guidelines:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are December temperatures?

During December, Coosawhatchie experiences an average high-temperature of 61.5°F (16.4°C) and a low-temperature of 47.3°F (8.5°C). The average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, in September is calculated to be 96.8°F (36°C).

What is the most humid month?

With an average relative humidity of 77%, December is the most humid month.

What is the average humidity in December?

The average relative humidity in December is 77%.

How much does it rain in Coosawhatchie in December?

In December, the rain falls for 11.3 days. Throughout December, 3.27" (83mm) of precipitation is accumulated.

When it does not snow?

In Coosawhatchie, snow does not fall in February through December.

Does it snow in December?

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

What is the month with the shortest days?

With an average of 10h and 6min of daylight, December has the shortest days of the year.

What is the average length of the day in December?

In Coosawhatchie, the average day length in December is 10h and 3min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:08 am and sunset at 5:17 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:28 pm EST.

What is the month with the least sunshine?

December has the least sunshine of the year, with an average of 5.5h of sunshine.

How many hours of sunshine does Coosawhatchie have in December?

In Coosawhatchie, the average sunshine duration in December is 5.5h.

What is the UV index intensity in December?

The average daily maximum UV index in December is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe 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
Coosawhatchie, SC

Average temperature in December - Coosawhatchie, SC
  • Average high temperature in December: 61.5°F

The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (57.7°F).

  • Average low temperature in December: 47.3°F

The months with the highest average low temperature are July and August (75.6°F).
The coldest month (with the lowest average low temperature) is January (42.6°F).

Average pressure in December
Coosawhatchie, SC

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

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

Average wind speed in December
Coosawhatchie, SC

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

The windiest month (with the highest average wind speed) is April (7.2mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in December
Coosawhatchie, SC

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

The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are January and March (71%).

Average rainfall in December
Coosawhatchie, SC

Average rainfall in December - Coosawhatchie, SC
  • Average rainfall in December: 3.27"

The wettest month (with the highest rainfall) is August (4.76").
The driest month (with the least rainfall) is January (1.54").

Average rainfall days in December
Coosawhatchie, SC

Average rainfall days in December - Coosawhatchie, SC
  • Average rainfall days in December: 11.3 days

The month with the highest number of rainy days is August (23.3 days).
The month with the least rainy days is November (7.5 days).

Average snowfall in December
Coosawhatchie, SC

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

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

Average snowfall days in December
Coosawhatchie, SC

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

The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

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

Average daylight in December / Average sunshine in December - Coosawhatchie, SC
  • Average daylight in December: 10h and 1min

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 6min).

  • Average sunshine in December: 5h and 3min

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 30min).

Average sunshine days in December
Coosawhatchie, SC

Average sunshine days in December - Coosawhatchie, SC
  • Average sunshine days in December: 18.3 days

The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is August (5.2 days).

Average UV index in December
Coosawhatchie, SC

Average UV index in December - Coosawhatchie, SC
  • Average UV index in December: 4

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

Average cloud cover in December
Coosawhatchie, SC

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

The months with the most cloud cover are February and December (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 27).

Average visibility in December
Coosawhatchie, SC

Average visibility in December - Coosawhatchie, 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).

Coosawhatchie, South Carolina, USA

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