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
December's onset sees an average high-temperature of a still refreshing 60.6°F (15.9°C), exhibiting a slight fluctuation from the previous month. Throughout December, an average low-temperature of 50°F (10°C) is expected.Humidity
With an average relative humidity of 78%, December is the most humid month.Rainfall
In December, in Cassina Heights, the rain falls for 10.5 days. Throughout December, 4.25" (108mm) of precipitation is accumulated. Throughout the year, there are 182.9 rainfall days, and 44.69" (1135mm) of precipitation is accumulated.Snowfall
In Cassina Heights, snow does not fall in March through December.Daylight
The month with the shortest days in Cassina Heights is December, with an average of 10h and 0min of daylight.On the first day of December, sunrise is at 7:04 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:23 pm EST.
Sunshine
December has the least sunshine of the year in Cassina Heights, with an average of 5.7h of sunshine.UV index
In Cassina Heights, the average daily maximum UV index in December is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 4 transforms into these recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Frequently asked questions
What are the temperatures in Cassina Heights in December?
What is the most humid month in Cassina Heights?
What is the average humidity in December in Cassina Heights?
How much does it rain in Cassina Heights in December?
When it does not snow in Cassina Heights?
Does it snow in Cassina Heights in December?
What is the month with the shortest days in Cassina Heights?
What is the average length of the day in December in Cassina Heights?
What time are sunrise and sunset in December in Cassina Heights?
What is the month with the least sunshine in Cassina Heights?
How many hours of sunshine does Cassina Heights have in December?
What is the UV index reading in December in Cassina Heights?
Average temperature in December
Cassina Heights, SC
- Average high temperature in December: 60.6°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (57.2°F).
- Average low temperature in December: 50°F
The month with the highest average low temperature is July (77.9°F).
The coldest month (with the lowest average low temperature) is January (45.1°F).
Average pressure in December
Cassina Heights, 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
Cassina Heights, SC
- Average wind speed in December: 9.1mph
The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest month (with the lowest average wind speed) is August (7.8mph).
Average humidity in December
Cassina Heights, 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
Cassina Heights, SC
- Average rainfall in December: 4.25"
The wettest month (with the highest rainfall) is August (8.03").
The driest month (with the least rainfall) is January (1.38").
Average rainfall days in December
Cassina Heights, SC
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is August (25.8 days).
The month with the least rainy days is November (8.6 days).
Average snowfall days in December
Cassina Heights, SC
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Cassina Heights, 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 months with the most sunshine are June and July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in December
Cassina Heights, SC
- Average sunshine days in December: 18.2 days
The months with the most sunshine days are January and November (19.3 days).
The month with the least sunshine days is August (3 days).
Average UV index in December
Cassina Heights, 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
Cassina Heights, 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 26).
Average visibility in December
Cassina Heights, 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).
Cassina Heights, South Carolina, USA
Weather forecast for your location
2. Allow the app to use your location
