December weather forecast
Dunhill, SC

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Weather in December

December, the first month of the winter in Dunhill, is also a fresh month, with an average temperature varying between 53.8°F (12.1°C) and 38.5°F (3.6°C).

Temperature

The onset of December results in a small decrease in the average high-temperature, moderately receding from a mild 60.6°F (15.9°C) in November to a fresh 53.8°F (12.1°C). Throughout the month of December, Dunhill observes an average nighttime temperature of 38.5°F (3.6°C).

Humidity

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

Rainfall

In December, the rain falls for 10.5 days. Throughout December, 1.69" (43mm) of precipitation is accumulated. In Dunhill, during the entire year, the rain falls for 136.3 days and collects up to 19.02" (483mm) of precipitation.

Snowfall

Months with snowfall are January through March and December. December is the first month it typically snows. Throughout December, in the average 0.4 snowfall days, it receives 0.2" (5mm) of snow. Throughout the year, there are 2.3 snowfall days, and 0.79" (20mm) of snow is accumulated.

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 7:19 am and sunset at 5:20 pm. On the last day of December, sunrise is at 7:37 am and sunset at 5:30 pm EST.

Sunshine

With an average of 5.1h of sunshine, December has the least sunshine of the year.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 2 in December transforms into the following instructions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Updated: Jul 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average December temperature?

The average high-temperature and low-temperature during December are 53.8°F (12.1°C) and 38.5°F (3.6°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, in September is calculated to be 89.6°F (32°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?

In Dunhill, the average relative humidity in December is 77%.

How much does it rain in December?

In Dunhill, during December, the rain falls for 10.5 days and regularly aggregates up to 1.69" (43mm) of precipitation.

When does it start snowing?

December is the first month it typically snows. Throughout December, in the average 0.4 snowfall days, it receives 0.2" (5mm) of snow.

What is the month with the shortest days in Dunhill?

December has the shortest days of the year, with an average of 9h and 54min of daylight.

How many hours of daylight does Dunhill have in December?

The average day length in December is 9h and 53min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:19 am and sunset at 5:20 pm. On the last day of the month, in Dunhill, sunrise is at 7:37 am and sunset at 5:30 pm EST.

What is the month with the least sunshine?

With an average of 5.1h of sunshine, December has the least sunshine of the year.

How many hours of sunshine does Dunhill have in December?

In December, the average sunshine duration is 5.1h.

When is the lowest UV index?

The months with the lowest UV index are January and December, with an average maximum UV index of 2.

What is the UV index intensity in December?

In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health 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
Dunhill, SC

Average temperature in December - Dunhill, SC
  • Average high temperature in December: 53.8°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (50.2°F).

  • Average low temperature in December: 38.5°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (34.5°F).

Average pressure in December
Dunhill, SC

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

The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

Average wind speed in December
Dunhill, SC

Average wind speed in December - Dunhill, SC
  • Average wind speed in December: 6.4mph

The windiest month (with the highest average wind speed) is February (7mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

Average humidity in December
Dunhill, SC

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

The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (69%).

Average rainfall in December
Dunhill, SC

Average rainfall in December - Dunhill, SC
  • Average rainfall in December: 1.69"

The wettest month (with the highest rainfall) is August (2.28").
The driest month (with the least rainfall) is September (0.79").

Average rainfall days in December
Dunhill, SC

Average rainfall days in December - Dunhill, SC
  • Average rainfall days in December: 10.5 days

The month with the highest number of rainy days is July (15.4 days).
The month with the least rainy days is October (7.2 days).

Average snowfall in December
Dunhill, SC

Average snowfall in December - Dunhill, SC
  • Average snowfall in December: 0.2"

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").

Average snowfall days in December
Dunhill, SC

Average snowfall days in December - Dunhill, SC
  • Average snowfall days in December: 0.4 days

The month with the highest number of snowfall days is January (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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

Average daylight in December / Average sunshine in December - Dunhill, 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 1min

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 6min).

Average sunshine days in December
Dunhill, SC

Average sunshine days in December - Dunhill, SC
  • Average sunshine days in December: 18.4 days

The month with the most sunshine days is October (22.6 days).
The month with the least sunshine days is July (14.3 days).

Average UV index in December
Dunhill, SC

Average UV index in December - Dunhill, SC
  • Average UV index in December: 2

The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover in December
Dunhill, SC

Average cloud cover in December - Dunhill, SC
  • Average cloud cover in December: 44

The month with the most cloud cover is February (Cloud cover 45).
The months with the least cloud cover are June and July (Cloud cover 29).

Average visibility in December
Dunhill, SC

Average visibility in December - Dunhill, SC
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).

Dunhill, South Carolina, USA

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