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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).





