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 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
The beginning of December reveals an average high-temperature of a still refreshing 60.8°F (16°C), showing minimal deviation from the previous month. During December, Riverland Terrace records an average temperature of 49.3°F (9.6°C) at night.Humidity
December is the most humid month in Riverland Terrace, with an average relative humidity of 78%.Rainfall
In Riverland Terrace, during December, the rain falls for 11.1 days and regularly aggregates up to 4.25" (108mm) of precipitation. Throughout the year, there are 178.9 rainfall days, and 41.93" (1065mm) of precipitation is accumulated.Snowfall
Months with snowfall are January and December. December is the first month it typically snows in Riverland Terrace. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 0.6 snowfall days, and 0.16" (4mm) of snow is accumulated.Daylight
The month with the shortest days in Riverland Terrace is December, with an average of 10h and 0min of daylight.On the first day of December in Riverland Terrace, sunrise is at 7:04 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:24 pm EST.
Sunshine
December has the least sunshine of the year in Riverland Terrace, with an average of 5.7h of sunshine.UV index
In Riverland Terrace, the average daily maximum UV index in December is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, an average UV index of 4 transforms into the following instructions:
Prioritize safety - Recommendations to avert sunburn are shared. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Riverland Terrace in December?
What is the most humid month in Riverland Terrace?
What is the average humidity in December in Riverland Terrace?
How much does it rain in Riverland Terrace in December?
When does it start snowing in Riverland Terrace?
What is the month with the shortest days in Riverland Terrace?
What is the average length of the day in December in Riverland Terrace?
When are sunrise and sunset in December in Riverland Terrace?
What is the month with the least sunshine in Riverland Terrace?
How long on average sun shines in December in Riverland Terrace?
What is the UV index reading in December in Riverland Terrace?
Average temperature in December
Riverland Terrace, SC
- Average high temperature in December: 60.8°F
The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (57°F).
- Average low temperature in December: 49.3°F
The month with the highest average low temperature is July (77.4°F).
The coldest month (with the lowest average low temperature) is January (44.4°F).
Average pressure in December
Riverland Terrace, 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
Riverland Terrace, SC
- Average wind speed in December: 8.7mph
The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest month (with the lowest average wind speed) is August (7.5mph).
Average humidity in December
Riverland Terrace, 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 and March (73%).
Average rainfall in December
Riverland Terrace, SC
- Average rainfall in December: 4.25"
The wettest month (with the highest rainfall) is August (7.13").
The driest month (with the least rainfall) is January (1.42").
Average rainfall days in December
Riverland Terrace, SC
- Average rainfall days in December: 11.1 days
The month with the highest number of rainy days is August (24.8 days).
The month with the least rainy days is November (8.7 days).
Average snowfall in December
Riverland Terrace, SC
- Average snowfall in December: 0.04"
The month with the highest snowfall is January (0.12").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Riverland Terrace, SC
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.4 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
Riverland Terrace, 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: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in December
Riverland Terrace, SC
- Average sunshine days in December: 17.8 days
The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is August (3.8 days).
Average UV index in December
Riverland Terrace, 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
Riverland Terrace, 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 26).
Average visibility in December
Riverland Terrace, 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).
Riverland Terrace, South Carolina, USA
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