December weather forecastBerry Hill, SC

December

Weather in December

December, the first month of the winter in Berry Hill, is still a mild month, with temperature in the range of an average low of 48°F (8.9°C) and an average high of 60.6°F (15.9°C).

Temperature

December's arrival aligns with a minor decrease in average high-temperatures, from November's enjoyable 66.2°F (19°C) to a still refreshing 60.6°F (15.9°C). In December, Berry Hill's temperature tends to fall to an average low of 48°F (8.9°C) during the night.

Humidity

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

Rainfall

In Berry Hill, in December, during 7.5 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. In Berry Hill, during the entire year, the rain falls for 118.7 days and collects up to 10.63" (270mm) of precipitation.

Snowfall

January and December are months with snowfall. The months with the most snowfall days in Berry Hill are January and December, with an average of 0.1 snowfall days.

Daylight

December has the shortest days of the year, with an average of 10h and 0min of daylight.
On the first day of the month, sunrise is at 7:05 am and sunset at 5:14 pm. On the last day of December, sunrise is at 7:22 am and sunset at 5:25 pm EST.

Sunshine

The month with the least sunshine is December, with an average of 5.7h of sunshine.

UV index

In December, the average daily maximum UV index in Berry Hill is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: In December, an average UV index of 4 transforms into the following instructions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In December, in Berry Hill, the average high-temperature is 60.6°F (15.9°C), and the average low-temperature is 48°F (8.9°C). In September, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is appraised at 95°F (35°C).

December is the most humid month in Berry Hill, South Carolina, with an average relative humidity of 77%.

The average relative humidity in December is 77%.

In Berry Hill, South Carolina, in December, during 7.5 rainfall days, 1.14" (29mm) of precipitation is typically accumulated.

The months with the most snowfall days in Berry Hill, South Carolina, are January and December, with an average of 0.1 snowfall days.

December is the first month it typically snows. Throughout December, there are 0.1 snowfall days.

The month with the shortest days in Berry Hill is December, with an average of 10h and 0min of daylight.

The average day length in December in Berry Hill is 10h and 2min.

On the first day of December, sunrise is at 7:05 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:25 pm EST.

December has the least sunshine of the year, with an average of 5.7h of sunshine.

In December, the average sunshine duration is 5.7h.

In Berry Hill, the average daily maximum UV index in December is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Berry Hill, SC

  • Average high temperature in December: 60.6°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 (57.2°F).

  • Average low temperature in December: 48°F

The month with the highest average low temperature is July (76.5°F).
The coldest month (with the lowest average low temperature) is January (43.2°F).

Average pressure in December
Berry Hill, 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
Berry Hill, SC

  • Average wind speed in December: 7.5mph

The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

Average humidity in December
Berry Hill, 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 (72%).

Average rainfall in December
Berry Hill, SC

  • Average rainfall in December: 1.14"

The wettest month (with the highest rainfall) is August (1.73").
The driest month (with the least rainfall) is January (0.31").

Average rainfall days in December
Berry Hill, SC

  • Average rainfall days in December: 7.5 days

The month with the highest number of rainy days is August (16.9 days).
The month with the least rainy days is November (5.7 days).

Average snowfall days in December
Berry Hill, SC

  • Average snowfall days in December: 0.1 days

The months with the highest number of snowfall days are January and December (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).

Average daylight in December /
Average sunshine in December
Berry Hill, 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 42min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

Average sunshine days in December
Berry Hill, SC

  • Average sunshine days in December: 21.7 days

The month with the most sunshine days is January (23.3 days).
The month with the least sunshine days is August (9.6 days).

Average UV index in December
Berry Hill, 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
Berry Hill, SC

  • Average cloud cover in December: 39

The months with the most cloud cover are February and December (Cloud cover 39).
The months with the least cloud cover are June and July (Cloud cover 25).

Average visibility in December
Berry Hill, 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).