December weather forecastMount Carmel, SC
December
Weather in December
The first month of the winter, December, is still a cool month in Mount Carmel, South Carolina, with temperature in the range of an average low of 40.1°F (4.5°C) and an average high of 55.2°F (12.9°C).Temperature
December ushers in a minute temperature change, with average high-temperatures reducing from November's comfortable 61.9°F (16.6°C) to a cool 55.2°F (12.9°C). Throughout December, Mount Carmel anticipates an average low-temperature of 40.1°F (4.5°C).Humidity
The most humid month in Mount Carmel is December, with an average relative humidity of 77%.Rainfall
In Mount Carmel, South Carolina, during December, the rain falls for 10.5 days and regularly aggregates up to 1.61" (41mm) of precipitation. Throughout the year, in Mount Carmel, there are 137.3 rainfall days, and 17.24" (438mm) of precipitation is accumulated.Snowfall
In Mount Carmel, snow does not fall in April through December.Daylight
The month with the shortest days in Mount Carmel is December, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 7:17 am and sunset at 5:20 pm. On the last day of December, sunrise is at 7:35 am and sunset at 5:31 pm EST.
Sunshine
With an average of 5.3h of sunshine, December has the least sunshine of the year in Mount Carmel.UV index
In December, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The daily maximum UV index of 3 in December interprets into the following advice:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mount Carmel, SC
- Average high temperature in December: 55.2°F
The warmest month (with the highest average high temperature) is July (92.1°F).
The month with the lowest average high temperature is January (52°F).
- Average low temperature in December: 40.1°F
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).
Average pressure in December
Mount Carmel, SC
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Mount Carmel, SC
- Average wind speed in December: 6.7mph
The windiest months (with the highest average wind speed) are January and February (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in December
Mount Carmel, SC
- Average humidity in December: 77%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (70%).
Average rainfall in December
Mount Carmel, SC
- Average rainfall in December: 1.61"
The wettest month (with the highest rainfall) is August (2.05").
The driest month (with the least rainfall) is September (0.83").
Average rainfall days in December
Mount Carmel, SC
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is August (15.5 days).
The month with the least rainy days is November (7.3 days).
Average snowfall in December
Mount Carmel, SC
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.16").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Mount Carmel, SC
- Average snowfall days in December: 0.1 days
The months with the highest number of snowfall days are January and February (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Mount Carmel, SC
- Average daylight in December: 9h and 54min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 5h and 18min
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 18min).
Average sunshine days in December
Mount Carmel, SC
- Average sunshine days in December: 18 days
The month with the most sunshine days is October (22.2 days).
The month with the least sunshine days is July (12.8 days).
Average UV index in December
Mount Carmel, SC
- Average UV index in December: 3
The months with the highest UV index are June and August (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in December
Mount Carmel, SC
- Average cloud cover in December: 43
The month with the most cloud cover is December (Cloud cover 43).
The months with the least cloud cover are June, July and October (Cloud cover 29).
Average visibility in December
Mount Carmel, SC
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).





