December weather forecast
Lexington, SC

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Weather in December

In Lexington, December brings in the full onslaught of the winter season. The temperatures drop even further, ranging between chilly 41.9°F (5.5°C) to 56.3°F (13.5°C). On the brighter side, rainfall decreases making it the driest month in terms of precipitation. With more cloud cover and fewer daylight hours, the city winds down into its lowest energy levels for the year. In summary, December, with its cold and crisp weather, wraps up the year in Lexington.

Temperature

Lexington in December experiences a gentle temperature dip, with average high-temperatures reducing from 62.2°F (16.8°C) in November to a still refreshing 56.3°F (13.5°C). In the month of December, the average low-temperature usually rests at an icy 41.9°F (5.5°C).

Humidity

The most humid month is December, with an average relative humidity of 75%.

Rainfall

The month with the most rainfall is December, when the rain falls for 10.9 days and typically aggregates up to 3.11" (79mm) of precipitation.

Snowfall

Months with snowfall in Lexington are January through March and December. December is the first month it typically snows. Throughout December, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow. In Lexington, during the entire year, snow falls for 1.1 days and aggregates up to 0.83" (21mm) of snow.

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 7:12 am and sunset at 5:15 pm. On the last day of December, sunrise is at 7:30 am and sunset at 5:26 pm EST.

Sunshine

With an average of 5.4h of sunshine, December has the least sunshine of the year.

UV index

The average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum high daily UV index of 3 during December translates into the following directions:
Undertake protective steps - Recommendations to avoid sunburn are issued. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Updated: Jun 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average December temperature in Lexington?

In Lexington, in December, the average high-temperature is 56.3°F (13.5°C), and the average low-temperature is 41.9°F (5.5°C). In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is computed to be 91.4°F (33°C).

What is the most humid month?

December is the most humid month, with an average relative humidity of 75%.

What is the average humidity in December?

In Lexington, the average relative humidity in December is 75%.

What is the wettest month?

December is the month with the most rainfall in Lexington. Rain falls for 10.9 days and accumulates 3.11" (79mm) of precipitation.

How much does it rain in December?

In Lexington, in December, it is raining for 10.9 days, with typically 3.11" (79mm) of accumulated precipitation.

When does it start snowing?

December is the first month it typically snows. Throughout December, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow.

What is the month with the shortest days?

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

What is the average length of the day in December?

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

When is the sunrise / sunset in December?

On the first day of December in Lexington, sunrise is at 7:12 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:26 pm EST.

What is the month with the least sunshine?

The month with the least sunshine is December, with an average of 5.4h of sunshine.

How many hours of sunshine does Lexington have in December?

In December, the average sunshine duration is 5.4h.

What is the UV index intensity in December?

In Lexington, the average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability 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
Lexington, SC

Average temperature in December - Lexington, SC
  • Average high temperature in December: 56.3°F

The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is January (52.7°F).

  • Average low temperature in December: 41.9°F

The month with the highest average low temperature is July (72.9°F).
The coldest month (with the lowest average low temperature) is January (37.4°F).

Average pressure in December
Lexington, SC

Average pressure in December - Lexington, SC
  • Average pressure in December: 30.14"Hg

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

Average wind speed in December
Lexington, SC

Average wind speed in December - Lexington, SC
  • Average wind speed in December: 7.6mph

The windiest months (with the highest average wind speed) are February and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in December
Lexington, SC

Average humidity in December - Lexington, SC
  • Average humidity in December: 75%

The month with the highest relative humidity is December (75%).
The month with the lowest relative humidity is July (70%).

Average rainfall in December
Lexington, SC

Average rainfall in December - Lexington, SC
  • Average rainfall in December: 3.11"

The wettest month (with the highest rainfall) is December (3.11").
The driest month (with the least rainfall) is September (1.5").

Average rainfall days in December
Lexington, SC

Average rainfall days in December - Lexington, SC
  • Average rainfall days in December: 10.9 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is October (7.5 days).

Average snowfall in December
Lexington, SC

Average snowfall in December - Lexington, SC
  • Average snowfall in December: 0.08"

The month with the highest snowfall is February (0.47").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in December
Lexington, SC

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

The month with the highest number of snowfall days is January (0.5 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
Lexington, SC

Average daylight in December / Average sunshine in December - Lexington, SC
  • Average daylight in December: 9h and 5min

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 2min

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 24min).

Average sunshine days in December
Lexington, SC

Average sunshine days in December - Lexington, SC
  • Average sunshine days in December: 19 days

The month with the most sunshine days is October (22.1 days).
The month with the least sunshine days is July (10.2 days).

Average UV index in December
Lexington, SC

Average UV index in December - Lexington, SC
  • Average UV index in December: 3

The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 2).

Average cloud cover in December
Lexington, SC

Average cloud cover in December - Lexington, SC
  • Average cloud cover in December: 41

The months with the most cloud cover are February and December (Cloud cover 41).
The months with the least cloud cover are June and October (Cloud cover 28).

Average visibility in December
Lexington, SC

Average visibility in December - Lexington, 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).

Lexington, South Carolina, USA

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