December weather forecast
Bonneau, SC

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Weather in December

The first month of the winter, December, is still a mild month in Bonneau, South Carolina, with an average temperature ranging between min 42.8°F (6°C) and max 58.5°F (14.7°C).

Temperature

The advent of December brings a subtle shift in temperature, with the average high moving from an enjoyable 64°F (17.8°C) in November to a still refreshing 58.5°F (14.7°C). Throughout December, Bonneau records an average temperature of 42.8°F (6°C) at night.

Humidity

The months with the highest humidity are May, August, September and December, with an average relative humidity of 78%.

Rainfall

In December, the rain falls for 8.2 days. Throughout December, 1.73" (44mm) of precipitation is accumulated. Throughout the year, in Bonneau, there are 139.5 rainfall days, and 15.75" (400mm) of precipitation is accumulated.

Snowfall

March through December are months without snowfall in Bonneau.

Daylight

The month with the shortest days in Bonneau is December, with an average of 10h and 0min of daylight.
On the first day of December in Bonneau, sunrise is at 7:05 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:22 pm EST.

Sunshine

December has the least sunshine of the year in Bonneau, South Carolina, with an average of 5.6h of sunshine.

UV index

January 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 moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: A typical high UV index of 3 in December suggests the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. Around midday, solar radiation is most harmful; hence, exposure should be limited. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
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Frequently asked questions

What are December temperatures in Bonneau?

In December, the average high-temperature and low-temperature in Bonneau, South Carolina, are 58.5°F (14.7°C) and 42.8°F (6°C) respectively. The average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in September is estimated at 95°F (35°C).

What is the most humid month in Bonneau?

May, August, September and December, with an average relative humidity of 78%, are most humid months in Bonneau, South Carolina.

What is the average humidity in December in Bonneau?

In Bonneau, the average relative humidity in December is 78%.

How many days does it rain in December in Bonneau?

In Bonneau, in December, during 8.2 rainfall days, 1.73" (44mm) of precipitation is typically accumulated.

When it does not snow in Bonneau?

March through December are months without snowfall in Bonneau.

Does it snow in Bonneau in December?

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

What is the month with the shortest days in Bonneau?

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

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

The average day length in December is 9h and 59min.

When is the sunrise / sunset in December in Bonneau?

On the first day of December in Bonneau, South Carolina, sunrise is at 7:05 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:22 pm EST.

What is the month with the least sunshine in Bonneau?

December has the least sunshine of the year in Bonneau, South Carolina, with an average of 5.6h of sunshine.

How many hours of sunshine does Bonneau have in December?

In December, the average sunshine duration is 5.6h.

When is the lowest UV index in Bonneau?

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

How high is the UV index in December in Bonneau?

The average daily maximum UV index in December in Bonneau 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
Bonneau, SC

Average temperature in December - Bonneau, SC
  • Average high temperature in December: 58.5°F

The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (55°F).

  • Average low temperature in December: 42.8°F

The month with the highest average low temperature is July (73.6°F).
The coldest month (with the lowest average low temperature) is January (38.3°F).

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Average pressure in December
Bonneau, SC

Average pressure in December - Bonneau, 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
Bonneau, SC

Average wind speed in December - Bonneau, SC
  • Average wind speed in December: 6mph

The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in December
Bonneau, SC

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

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

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Average rainfall in December
Bonneau, SC

Average rainfall in December - Bonneau, SC
  • Average rainfall in December: 1.73"

The wettest month (with the highest rainfall) is August (2.87").
The driest month (with the least rainfall) is January (0.51").

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Average rainfall days in December
Bonneau, SC

Average rainfall days in December - Bonneau, SC
  • Average rainfall days in December: 8.2 days

The month with the highest number of rainy days is August (20.1 days).
The month with the least rainy days is November (6.4 days).

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Average snowfall in December
Bonneau, SC

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

The month with the highest snowfall is January (0.16").
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
Bonneau, SC

Average snowfall days in December - Bonneau, 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 April, May, June, July, August, September, October, November and December (0 days).

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

Average daylight in December / Average sunshine in December - Bonneau, 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 4min

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 36min).

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Average sunshine days in December
Bonneau, SC

Average sunshine days in December - Bonneau, SC
  • Average sunshine days in December: 20.5 days

The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is August (6.8 days).

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Average UV index in December
Bonneau, SC

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

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Average cloud cover in December
Bonneau, SC

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

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

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Average visibility in December
Bonneau, SC

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

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