December weather forecastGrimball Shores, SC
December
Weather in December
December, the first month of the winter in Grimball Shores, is still a refreshing month, with an average temperature ranging between max 60.6°F (15.9°C) and min 51.1°F (10.6°C).Temperature
December records an average high-temperature of a moderate 60.6°F (15.9°C), indicating a minor variation from the preceding month. Throughout the month of December, Grimball Shores witnesses an average temperature of 51.1°F (10.6°C).Humidity
With an average relative humidity of 78%, December is the most humid month in Grimball Shores.Rainfall
In December, the rain falls for 6.2 days. Throughout December, 1.14" (29mm) of precipitation is accumulated. In Grimball Shores, during the entire year, the rain falls for 113.3 days and collects up to 10" (254mm) of precipitation.Snowfall
Months with snowfall in Grimball Shores are January and December. December is the first month it typically snows in Grimball Shores, South Carolina. Throughout December, there are 0.1 snowfall days. In Grimball Shores, South Carolina, during the entire year, snow falls for 0.3 days.Daylight
December has the shortest days of the year in Grimball Shores, with an average of 10h and 0min of daylight.On the first day of December, sunrise is at 7:04 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:24 pm EST.
Sunshine
With an average of 5.7h of sunshine, December has the least sunshine of the year in Grimball Shores.UV index
The average daily maximum UV index in December in Grimball Shores is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 4 during December leads to these instructions:
Make use of precautions - It is urged to ward off sun damage. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Experience reduced UV exposure by about half when donning a wide-brim hat. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Grimball Shores, SC
- Average high temperature in December: 60.6°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (57°F).
- Average low temperature in December: 51.1°F
The months with the highest average low temperature are July and August (78.4°F).
The coldest month (with the lowest average low temperature) is January (46.4°F).
Average pressure in December
Grimball Shores, SC
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Grimball Shores, SC
- Average wind speed in December: 10.2mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.8mph).
Average humidity in December
Grimball Shores, SC
- Average humidity in December: 78%
The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are January, March and October (73%).
Average rainfall in December
Grimball Shores, SC
- Average rainfall in December: 1.14"
The wettest month (with the highest rainfall) is August (1.93").
The driest month (with the least rainfall) is January (0.24").
Average rainfall days in December
Grimball Shores, SC
- Average rainfall days in December: 6.2 days
The month with the highest number of rainy days is August (17.3 days).
The month with the least rainy days is November (5.2 days).
Average snowfall days in December
Grimball Shores, 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 February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Grimball Shores, 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 0min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in December
Grimball Shores, SC
- Average sunshine days in December: 23.5 days
The month with the most sunshine days is January (23.9 days).
The month with the least sunshine days is August (8.5 days).
Average UV index in December
Grimball Shores, 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
Grimball Shores, SC
- Average cloud cover in December: 39
The month with the most cloud cover is December (Cloud cover 39).
The months with the least cloud cover are June and July (Cloud cover 25).
Average visibility in December
Grimball Shores, 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).
