Dorchester County, SC Climate

Dorchester County, SC has a humid subtropical climate. Summers in the county are long and hot, with temperatures typically reaching into the mid-90s. Winters are mild but can occasionally drop down to near freezing temperatures. Precipitation is abundant year-round, with most of it falling during the summer months. The humidity tends to be high throughout the county due to its close proximity to the Atlantic Ocean. Storms can often bring strong winds and heavy rains, while tornadoes are also possible during tornado season. Overall, Dorchester County offers a pleasant climate with mild temperatures year-round that makes it an ideal place for people looking for a comfortable climate in which to live or visit.

Dorchester County, South Carolina gets 50 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Dorchester County averages 1 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 211 sunny days per year in Dorchester County. The US average is 205 sunny days.

Dorchester County gets some kind of precipitation, on average, 97 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 92 degrees
Winter Low: the January low is 35
Rain: averages 50 inches of rain a year
Snow: averages 1 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Dorchester County is 7.3 (10=best), which means it is less comfortable than most places in South Carolina.

4.8 Summer - 7.6 Winter

October, May and April are the most pleasant months in Dorchester County, while July and August are the least comfortable months.

Climate	Dorchester, South Carolina	United States
	49.7 in.	38.1 in.
	0.6 in.	27.8 in.
	97.3 days	106.2 days
	211 days	205 days
	91.5°	85.8°
	34.5°	21.7°
	7.3	7
	4.7	4.3
	62 ft.	2443 ft.

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 Dorchester County with an average high temperature of 91.5°, which ranks it as warmer than most places in South Carolina. In Dorchester County, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Dorchester County are October, April and May.

In Dorchester County, there are 60.0 days annually when the high temperature is over 90°, which is hotter than most places in South Carolina.

January has the coldest nighttime temperatures for Dorchester County with an average of 34.5°. This is warmer than most places in South Carolina.

In Dorchester County, there are 41.4 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in South Carolina.

In Dorchester 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 Dorchester County can be oppressive 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.

August is the wettest month in Dorchester County with 6.5 inches of rain, and the driest month is November with 2.8 inches. The wettest season is Autumn with 35% of yearly precipitation and 20% occurs in Summer, which is the driest season. The annual rainfall of 49.7 inches in Dorchester County means that it is wetter than most places in South Carolina.

August is the rainiest month in Dorchester County with 11.3 days of rain, and November is the driest month with only 6.3 rainy days. There are 97.3 rainy days annually in Dorchester County, which is less rainy than most places in South Carolina. The rainiest season is Autumn when it rains 33% of the time and the driest is Summer with only a 21% chance of a rainy day.

An annual snowfall of 0.6 inches in Dorchester County means that it is less snowy than most places in South Carolina. December is the snowiest month in Dorchester County with 0.3 inches of snow, and no months of the year have significant snowfall.

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