Climate and monthly weather forecast
Lexington, SC

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The climate of Lexington

Lexington, South Carolina, sits in the Humid subtropical zone according to the Köppen climate classification (Cfa). This particular zone is characterized by having no dry season. Throughout the year, temperatures vary significantly, ranging from a low of 37.4°F (3°C) in January to a high of 91.4°F (33°C) in July. Humidity remains relatively constant, staying within the range of 70% to 75%.

Regarding annual precipitation, rainfall figures fluctuate from month to month, with December receiving the most - 3.11" (79mm), and September experiencing the least - only 1.5" (38mm). Rainfall days extend from 7.5 in October to 17.8 in July. Snowfall is a rare occurrence, only appearing in January and in December.

Solar exposure displays notable alterations throughout the year. Daylight hours extend from a low of 10.2 in January to a peak of 14.4 in June. Solar radiation is at its maximum in July with an average UV index of 7, and least in December with an average UV index of 2.

The best time to visit Lexington

The optimal time to visit Lexington largely depends on individual weather preferences. For visitors seeking warmer weather and increased sunlight exposure, the months between May and September are ideal. During this period, temperatures rise to highs between 80.8°F (27.1°C) in May and 91.4°F (33°C) in July, making it ideal for outdoor activities. Sunshine hours are also at a peak during these months.

The worst time to visit Lexington

On the other hand, the period from December to February may be considered as less favorable for a visit. The average high temperature drops to between 52.7°F (11.5°C) in January and 57.4°F (14.1°C) in February. Additionally, December experiences the highest rainfall in inches of 3.11 and has the least amount of daylight hours at 9.9.

Spring weather in Lexington

Spring in Lexington spans from March to May. During this period, the area gradually warms up, with average high temperatures climbing from 63.9°F (17.7°C) in March to 80.8°F (27.1°C) in May. Average low temperatures also rise, from 46.6°F (8.1°C) to 63°F (17.2°C) respectively. Rainfall amounts decrease from 2.76" (70mm) in April to 2.76" (70mm) in May, with slight fluctuations in humidity.

Summer weather in Lexington

Summers in Lexington, from June to August, are hot and humid. The highest average temperature is recorded at 91.4°F (33°C) in July. Humidity levels remain relatively consistent, fluctuating between 70% and 72%, making the heat feel more intense. The area also receives insignificant snowfall and increased daylight hours, reaching a peak of 14.4 hours a day in June.

Autumn weather in Lexington

Autumn, covering September to November, sees a gradual decrease in temperatures. Highs decrease from 84.2°F (29°C) in September to 62.2°F (16.8°C) in November, while lows drop from 67.1°F (19.5°C) to 45.5°F (7.5°C). Rainfall increases from 1.5" (38mm) in September to 1.89" (48mm) in November.

Winter weather in Lexington

In winter, from December to February, Lexington experiences its coldest temperatures of the year. Average high temperatures range from 52.7°F (11.5°C) in December to 57.4°F (14.1°C) in February, and average lows sink down from 41.9°F (5.5°C) to 37.4°F (3°C). The area sees its highest rainfall in December with 3.11" (79mm). Snowfall re-appears in this season, with slight averages of 0.24" (6mm) in January and 0.08" (2mm) in December.

Weather in January

The turn of the year in Lexington, South Carolina, USA, is met with typically cool weather. Temperatures begin to top out at 52.7°F (11.5°C) and go as low as 37.4°F (3°C). The weather remains mostly consistent though, with a slight dip in temperatures and showing the first signs of winter with minimal snowfall. Weather in January »

Weather in February

There is a slight change in Lexington's weather profile as February rolls in, with a gradual warming trend becoming noticeable. The winter chill starts to lessen as temperatures go up to 57.4°F (14.1°C), but the lows remain quite low at 40.6°F (4.8°C). Weather in February »

Weather in March

The weather in March sees a notable shift from winter to spring. The milder temperatures maximize at 63.9°F (17.7°C) and stay no lower than 46.6°F (8.1°C), indicating the departure of colder days. The frequency of rainfall is consistent with the last two months, as rain continues to mark the city's weather pattern. Weather in March »

Weather in April

April in Lexington ushers in robust spring weather. The pleasant temperatures, ranging from 55.2°F (12.9°C) to 73.6°F (23.1°C), lend themselves well to outdoor activities. Though the city continues to receive regular rainfall, the increase in daylight and sunshine hours provides a balanced weather scenario. Weather in April »

Weather in May

It is in May that summer truly begins to assert its dominance over Lexington's weather. The average temperature readings reveal a clear incline, soaring from 63°F (17.2°C) to 80.8°F (27.1°C). Despite being one of the wetter months, May boasts increased sunshine hours. Weather in May »

Weather in June

With the arrival of June, Lexington's weather truly becomes summer-like. The city's climate reaches an impressive high of 88.2°F (31.2°C) while maintaining a minimum of 69.8°F (21°C), and the atmosphere grows increasingly warmer. Weather in June »

Weather in July

July carries the summer's intensity forward in Lexington, with the highest temperatures peaking around 91.4°F (33°C) and not falling below 72.9°F (22.7°C). It's the hottest time of the year, also marked by a significant increase in UV index values. Weather in July »

Weather in August

In August, Lexington's weather exhibits typical late-summer conditions. While the temperature maintains a high range between 71.8°F (22.1°C) and 89.8°F (32.1°C), a subtle cooling trend is evident. However, rainfall increases, and with it, the city's cloud cover, which provides a somewhat mitigating effect against the high daytime temperatures. Weather in August »

Weather in September

September marks the beginning of a transition from summer to fall, where Lexington experiences temperate weather. The highest temperatures experience a significant drop to 84.2°F (29°C), whereas the lows remain at around 67.1°F (19.5°C). Weather in September »

Weather in October

October is the month when fall firmly establishes itself in Lexington. There is a noticeable decline in temperatures, ranging from 55.8°F (13.2°C) to 73.8°F (23.2°C). The city receives less rainfall and also experiences shorter daylight hours. Weather in October »

Weather in November

With November comes the first grips of frosty weather in Lexington. A sharp decrease in temperatures is experienced, falling to a low of 45.5°F (7.5°C) and reaching a high of just 62.2°F (16.8°C). Decreasingly shorter daylight hours and fewer sunshine days mark the shift towards winter weather. Weather in November »

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. Weather in December »
Updated: Jun 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months?

The coldest temperatures occur during January, when averages reach a peak of 52.7°F (11.5°C) and a low of 37.4°F (3°C).

How many days does it rain?

In Lexington, during the entire year, the rain falls for 148.8 days and collects up to 28.19" (716mm) of precipitation.

When does it snow?

Months with snowfall are January through March and December.

How many days does it snow in Lexington?

In Lexington, during the entire year, snow falls for 1.1 days and aggregates up to 0.83" (21mm) of snow.

What is the month with the lowest UV index?

With an average maximum UV index of 2, January is the month with the lowest UV index.

When does it snow the most?

The month with the most snowfall is February, when snow falls for 0.4 days and typically aggregates up to 0.47" (12mm) of snow.

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.

When it does not snow?

April through November are months without snowfall.

When are the longest days?

The month with the longest days is June, with an average of 14h and 24min of daylight.

What is the month with the highest UV index?

The months with the highest UV index are June through August, with an average maximum UV index of 7.

What is the warmest month?

With its average high temperature of 91.4°F (33°C) and a low of 72.9°F (22.7°C), July is regarded as the warmest month.

What is the least humid month?

July is the least humid month, with an average relative humidity of 70%.

What month has the most sunshine?

The month with the most sunshine is July, with an average of 10.9h of sunshine.

What is the driest month?

The month with the least rainfall is September, when the rain falls for 12.2 days and typically collects 1.5" (38mm) of precipitation.

What is the most humid month?

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

What is the wettest month?

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

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 month with the least sunshine?

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

Average temperature
Lexington, SC

Average temperature - Lexington, SC

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).

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
Lexington, SC

Average pressure - Lexington, SC

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
Lexington, SC

Average wind speed - Lexington, SC

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
Lexington, SC

Average humidity - Lexington, SC

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

Average rainfall
Lexington, SC

Average rainfall - Lexington, SC

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
Lexington, SC

Average rainfall days - Lexington, SC

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
Lexington, SC

Average snowfall - Lexington, SC

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
Lexington, SC

Average snowfall days - Lexington, SC

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 / Average sunshine
Lexington, SC

Average daylight / Average sunshine - Lexington, SC

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).

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
Lexington, SC

Average sunshine days - Lexington, SC

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 cloud cover
Lexington, SC

Average cloud cover - Lexington, SC

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
Lexington, SC

Average visibility - Lexington, SC

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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