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

The move into December indicates a slight reduction in the average high-temperature, down from November's enjoyable 62.2°F (16.8°C) to a still refreshing 56.3°F (13.5°C). Lexington's nighttime temperature in December drops to an average of 41.9°F (5.5°C).

Humidity

With an average relative humidity of 75%, December is the most humid month in Lexington.

Rainfall

December is the month with the most rainfall in Lexington, South Carolina. Rain falls for 10.9 days and accumulates 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 in Lexington. 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

The month with the shortest days is December, with an average of 9h and 54min of daylight.
On the first day of December in Lexington, South Carolina, 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.

Sunshine

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

UV index

In Lexington, South Carolina, the average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 3 in December interprets into the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
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Frequently asked questions

What are December temperatures in Lexington?

During December, Lexington experiences an average high-temperature of 56.3°F (13.5°C) and a low-temperature of 41.9°F (5.5°C). In September, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is calculated to be 91.4°F (33°C).

What is the most humid month in Lexington?

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

What is the average humidity in December in Lexington?

The average relative humidity in December in Lexington is 75%.

What is the rainiest month in Lexington?

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 Lexington in December?

In Lexington, South Carolina, in December, during 10.9 rainfall days, 3.11" (79mm) of precipitation is typically accumulated.

When does it start to snow in Lexington?

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

What is the month with the shortest days in Lexington?

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

How many hours of daylight does Lexington have in December?

The average day length in December is 9h and 56min.

When are sunrise and sunset in December in Lexington?

On the first day of December, 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 in Lexington?

With an average of 5.4h of sunshine, December has the least sunshine of the year in Lexington, South Carolina.

How long on average sun shines in December in Lexington?

The average sunshine duration in December in Lexington, South Carolina, is 5.4h.

What is the UV index reading 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 unprotected exposure to 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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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Lexington, South Carolina, USA

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