December weather forecastYemassee, SC
December
Weather in December
The first month of the winter, December, is also an enjoyable month in Yemassee, South Carolina, with an average temperature varying between 61.5°F (16.4°C) and 47.3°F (8.5°C).Temperature
December brings a minor shift in the average high-temperature, adjusting from 66.9°F (19.4°C) in November to a still enjoyable 61.5°F (16.4°C). In December, Yemassee's temperature tends to fall to an average low of 47.3°F (8.5°C) during the night.Humidity
With an average relative humidity of 77%, December is the most humid month in Yemassee.Rainfall
In Yemassee, in December, it is raining for 11.3 days, with typically 3.27" (83mm) of accumulated precipitation. In Yemassee, 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.Daylight
December has the shortest days of the year in Yemassee, South Carolina, with an average of 10h and 0min of daylight.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 in Yemassee.UV index
In December, the average daily maximum UV index in Yemassee is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, the maximum UV index of 4 translates into these guidelines:
Exercise prevention - Protecting skin and eyes from harm is required. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Yemassee, 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
Yemassee, 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
Yemassee, 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
Yemassee, 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
Yemassee, 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
Yemassee, 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
Yemassee, 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
Yemassee, 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
Yemassee, 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 30min
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
Yemassee, 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
Yemassee, 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
Yemassee, 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
Yemassee, 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).





