Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
With the arrival of December, Myrtle Grove experiences a modest decline in average high-temperatures, transitioning from 65.8°F (18.8°C) in November to a still refreshing 60.4°F (15.8°C). The mean low-temperature during December nights is a chilly 47.3°F (8.5°C).Humidity
December is the most humid month, with an average relative humidity of 77%.Rainfall
In Myrtle Grove, in December, during 9.5 rainfall days, 2.4" (61mm) of precipitation is typically accumulated. Throughout the year, there are 154.4 rainfall days, and 23.43" (595mm) of precipitation is accumulated.Snowfall
Months with snowfall in Myrtle Grove are January, February and December. The month with the most snowfall days in Myrtle Grove is December, when snow falls for 0.3 days.Daylight
December has the shortest days of the year in Myrtle Grove, 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 5:13 pm. On the last day of December, sunrise is at 7:22 am and sunset at 5:24 pm EST.
Sunshine
December has the least sunshine of the year in Myrtle Grove, with an average of 5.6h of sunshine.UV index
In Myrtle Grove, the average daily maximum UV index in December is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 4 during December translates into the following directions:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. To protect against the Sun's most potent rays, avoid direct exposure around midday. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Frequently asked questions
What is the average December temperature in Myrtle Grove?
What is the most humid month in Myrtle Grove?
What is the average humidity in December in Myrtle Grove?
How many days does it rain in December in Myrtle Grove?
When does it snow the most in Myrtle Grove?
When does it start to snow in Myrtle Grove?
What is the month with the shortest days in Myrtle Grove?
What is the average length of the day in December in Myrtle Grove?
What time are sunrise and sunset in December in Myrtle Grove?
What is the month with the least sunshine in Myrtle Grove?
How many hours of sunshine does Myrtle Grove have in December?
What is the UV index reading in December in Myrtle Grove?
Average temperature in December
Myrtle Grove, SC
- Average high temperature in December: 60.4°F
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (56.8°F).
- Average low temperature in December: 47.3°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 (42.8°F).
Average pressure in December
Myrtle Grove, SC
- Average pressure in December: 30.13"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
Myrtle Grove, SC
- Average wind speed in December: 7.6mph
The windiest month (with the highest average wind speed) is April (8.3mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in December
Myrtle Grove, SC
- Average humidity in December: 77%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is March (72%).
Average rainfall in December
Myrtle Grove, SC
- Average rainfall in December: 2.4"
The wettest month (with the highest rainfall) is August (4.29").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in December
Myrtle Grove, SC
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is August (22.7 days).
The month with the least rainy days is November (6.9 days).
Average snowfall days in December
Myrtle Grove, SC
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is December (0.3 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
Myrtle Grove, 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 4min
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 36min).
Average sunshine days in December
Myrtle Grove, SC
- Average sunshine days in December: 19 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is August (6.1 days).
Average UV index in December
Myrtle Grove, 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
Myrtle Grove, SC
- Average cloud cover in December: 40
The month with the most cloud cover is December (Cloud cover 40).
The months with the least cloud cover are June and July (Cloud cover 26).
Average visibility in December
Myrtle Grove, 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).
Myrtle Grove, South Carolina, USA
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