December weather forecastMimms Crossroads, SC

December

Weather in December

The first month of the winter, December, is also a moderate month in Mimms Crossroads, South Carolina, with an average temperature ranging between min 41.9°F (5.5°C) and max 57.4°F (14.1°C).

Temperature

December marks a gentle change in average high-temperature, declining from November's refreshing 63.1°F (17.3°C) to a mild 57.4°F (14.1°C). In Mimms Crossroads, December nights witness a steady temperature drop to an icy 41.9°F (5.5°C).

Humidity

The average relative humidity in December is 77%.

Rainfall

In December, in Mimms Crossroads, the rain falls for 10.6 days. Throughout December, 3.35" (85mm) of precipitation is accumulated. In Mimms Crossroads, during the entire year, the rain falls for 170.2 days and collects up to 34.06" (865mm) of precipitation.

Snowfall

In Mimms Crossroads, snow does not fall in March through December.

Daylight

With an average of 9h and 54min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:07 am and sunset at 5:10 pm. On the last day of December, sunrise is at 7:24 am and sunset at 5:21 pm EST.

Sunshine

December has the least sunshine of the year, with an average of 5.5h of sunshine.

UV index

January, February and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In December, a regular UV index of 3 translates into these guidelines:
Take precautions - Protection against skin and eye damage is obliged. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.

Frequently asked questions

An average high-temperature, in December, in Mimms Crossroads, is 57.4°F (14.1°C) and the average low-temperature is 41.9°F (5.5°C). In September, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, is estimated at 93.2°F (34°C).

The average relative humidity in December is 77%.

In Mimms Crossroads, in December, during 10.6 rainfall days, 3.35" (85mm) of precipitation is typically accumulated.

March through December are months without snowfall.

In Mimms Crossroads, South Carolina, in December, it doesn't snow. In January, it regularly snows.

December has the shortest days of the year in Mimms Crossroads, with an average of 9h and 54min of daylight.

In December, the average day length is 9h and 56min.

On the first day of December, sunrise is at 7:07 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:21 pm EST.

The month with the least sunshine is December, with an average of 5.5h of sunshine.

In December, the average sunshine duration is 5.5h.

The months with the lowest UV index are January, February and December, with an average maximum UV index of 3.

The average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Mimms Crossroads, SC

  • Average high temperature in December: 57.4°F

The warmest month (with the highest average high temperature) is July (89.8°F).
The month with the lowest average high temperature is January (53.4°F).

  • Average low temperature in December: 41.9°F

The month with the highest average low temperature is July (72.5°F).
The coldest month (with the lowest average low temperature) is January (37.6°F).

Average pressure in December
Mimms Crossroads, SC

  • Average pressure in December: 30.13"Hg

The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).

Average wind speed in December
Mimms Crossroads, SC

  • Average wind speed in December: 6.5mph

The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in December
Mimms Crossroads, SC

  • Average humidity in December: 77%

The months with the highest relative humidity are May, August and September (78%).
The months with the lowest relative humidity are January and November (73%).

Average rainfall in December
Mimms Crossroads, SC

  • Average rainfall in December: 3.35"

The wettest month (with the highest rainfall) is August (4.41").
The driest month (with the least rainfall) is January (1.46").

Average rainfall days in December
Mimms Crossroads, SC

  • Average rainfall days in December: 10.6 days

The month with the highest number of rainy days is July (21.8 days).
The month with the least rainy days is November (8.9 days).

Average snowfall in December
Mimms Crossroads, SC

  • Average snowfall in December: 0"

The month with the highest snowfall is February (0.39").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in December
Mimms Crossroads, SC

  • Average snowfall days in December: 0 days

The month with the highest number of snowfall days is February (0.7 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
Mimms Crossroads, 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 30min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

Average sunshine days in December
Mimms Crossroads, SC

  • Average sunshine days in December: 19.5 days

The months with the most sunshine days are October and November (20.4 days).
The month with the least sunshine days is July (6.5 days).

Average UV index in December
Mimms Crossroads, SC

  • Average UV index in December: 3

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).

Average cloud cover in December
Mimms Crossroads, SC

  • Average cloud cover in December: 41

The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 29).

Average visibility in December
Mimms Crossroads, 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).