Lancaster County, SC Climate

Lancaster County, SC has a humid subtropical climate with hot and humid summers, mild winters, and plenty of rainfall throughout the year. Average monthly temperatures in Lancaster are typically warm, ranging from an average low temperature in January of 38 degrees Fahrenheit to an average high temperature in July of 92 degrees Fahrenheit. The area experiences slightly more rainfall than the US national average with an average annual precipitation between 45 and 55 inches. In the summer months, there is a higher chance for rain with thunderstorms being common. Springtime brings warmer temperatures along with occasional showers and thunderstorms.

Lancaster County, South Carolina gets 44 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Lancaster County averages 2 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 215 sunny days per year in Lancaster County. The US average is 205 sunny days.

Lancaster County gets some kind of precipitation, on average, 95 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.

Weather Highlights

Summer High: the July high is around 91 degrees
Winter Low: the January low is 30
Rain: averages 44 inches of rain a year
Snow: averages 2 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Lancaster County is 7.5 (10=best), which means it is one of the most pleasant places in South Carolina.

6.3 Summer - 7 Winter

May, October and September are the most pleasant months in Lancaster County, while July and January are the least comfortable months.

Climate	Lancaster, South Carolina	United States
	Unlock	38.1 in.
	1.7 in.	Unlock
	Unlock	106.2 days
	215 days	Unlock
	90.6°	85.8°
	Unlock	21.7°
	7.5	Unlock
	Unlock	4.3
	518 ft.	Unlock

Climate

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

July is the hottest month for Lancaster County with an average high temperature of 90.6°, which ranks it as cooler than most places in South Carolina. In Lancaster County, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Lancaster County are May, April and October.

In Lancaster County, there are 49.1 days annually when the high temperature is over 90°, which is cooler than most places in South Carolina.

January has the coldest nighttime temperatures for Lancaster County with an average of 30.2°. This is colder than most places in South Carolina.

In Lancaster County, there are 64.7 days annually when the nighttime low temperature falls below freezing, which is colder than most places in South Carolina.

In Lancaster County, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in South Carolina.

Humidity in Lancaster County can be uncomfortable during the summer, but comfortable for most of the year. The most uncomfortably humid months are July, August and June. The humid season runs from June-September and the most comfortable months are October-May.

July is the wettest month in Lancaster County with 4.7 inches of rain, and the driest month is May with 2.9 inches. The wettest season is Autumn with 30% of yearly precipitation and 23% occurs in Summer, which is the driest season. The annual rainfall of 44.4 inches in Lancaster County means that it is one of the driest places in South Carolina.

July is the rainiest month in Lancaster County with 9.3 days of rain, and October is the driest month with only 6.0 rainy days. There are 94.8 rainy days annually in Lancaster County, which is one of the least rainy places in South Carolina. The rainiest season is Autumn when it rains 28% of the time and the driest is Winter with only a 20% chance of a rainy day.

An annual snowfall of 1.7 inches in Lancaster County means that it is snowier than most places in South Carolina. January is the snowiest month in Lancaster County with 0.7 inches of snow, and 2 months of the year have significant snowfall.

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