December weather forecast
Juneville, SC

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Weather in December

December, the first month of the winter in Juneville, is also a moderate month, with an average temperature ranging between max 57.4°F (14.1°C) and min 42.3°F (5.7°C).

Temperature

December's arrival aligns with a minor decrease in average high-temperatures, from November's enjoyable 63°F (17.2°C) to a mild 57.4°F (14.1°C). Juneville cools down to an average low-temperature of 42.3°F (5.7°C) throughout the month of December.

Humidity

The average relative humidity in December is 76%.

Rainfall

The wettest months are August and December, with an average 3.23" (82mm) of rainfall.

Snowfall

January, February and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. In Juneville, during the entire year, snow falls for 1.2 days and aggregates up to 0.47" (12mm) of snow.

Daylight

December has the shortest days of the year, with an average of 10h and 0min of daylight.
On the first day of December, sunrise is at 7:07 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:23 pm EST.

Sunshine

December has the least sunshine of the year, with an average of 5.6h of sunshine.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: In December, the maximum UV index of 3 transforms into these recommendations:
Make use of precautions - It is urged to ward off sun damage. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Updated: Jun 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are December temperatures?

The high-temperature, in December, in Juneville, records 57.4°F (14.1°C), while the low-temperature is 42.3°F (5.7°C). In September, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, is calculated to be 93.2°F (34°C).

What is the average humidity in December?

In December, the average relative humidity is 76%.

What is the wettest month?

The wettest months in Juneville are August and December, with an average 3.23" (82mm) of rainfall.

How much does it rain in December?

In Juneville, South Carolina, in December, during 10.7 rainfall days, 3.23" (82mm) of precipitation is typically accumulated.

When does it start to snow?

December is the first month it typically snows. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 10h and 0min of daylight.

What is the average length of the day in December?

In Juneville, the average day length in December is 9h and 58min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:07 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:23 pm EST.

What is the month with the least sunshine?

December has the least sunshine of the year, with an average of 5.6h of sunshine.

How long on average sun shines in December?

In December, the average sunshine duration is 5.6h.

What are the months with the lowest UV index?

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

What is the UV index reading in December?

In December, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Juneville, SC

Average temperature in December - Juneville, SC
  • Average high temperature in December: 57.4°F

The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (53.6°F).

  • Average low temperature in December: 42.3°F

The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (38.1°F).

Average pressure in December
Juneville, SC

Average pressure in December - Juneville, 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
Juneville, SC

Average wind speed in December - Juneville, SC
  • Average wind speed in December: 6.8mph

The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

Average humidity in December
Juneville, SC

Average humidity in December - Juneville, SC
  • Average humidity in December: 76%

The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January and November (72%).

Average rainfall in December
Juneville, SC

Average rainfall in December - Juneville, SC
  • Average rainfall in December: 3.23"

The wettest months (with the highest rainfall) are August and December (3.23").
The driest month (with the least rainfall) is January (1.65").

Average rainfall days in December
Juneville, SC

Average rainfall days in December - Juneville, SC
  • Average rainfall days in December: 10.7 days

The months with the highest number of rainy days are July and August (18.8 days).
The month with the least rainy days is November (8 days).

Average snowfall in December
Juneville, SC

Average snowfall in December - Juneville, SC
  • Average snowfall in December: 0.04"

The month with the highest snowfall is February (0.24").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

Average snowfall days in December
Juneville, SC

Average snowfall days in December - Juneville, SC
  • Average snowfall days in December: 0.1 days

The month with the highest number of snowfall days is January (0.6 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
Juneville, SC

Average daylight in December / Average sunshine in December - Juneville, SC
  • Average daylight in December: 10h and 0min

The month with the longest days is June (Average daylight: 14h and 24min).
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
Juneville, SC

Average sunshine days in December - Juneville, SC
  • Average sunshine days in December: 18.8 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is July (9.2 days).

Average UV index in December
Juneville, SC

Average UV index in December - Juneville, 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
Juneville, SC

Average cloud cover in December - Juneville, SC
  • Average cloud cover in December: 40

The months with the most cloud cover are February and December (Cloud cover 40).
The month with the least cloud cover is October (Cloud cover 27).

Average visibility in December
Juneville, SC

Average visibility in December - Juneville, 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).

Juneville, South Carolina, USA

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