Zip 29409 (Charleston, SC) Climate

The climate in 29409 Charleston, SC is generally mild and humid, with hot summers and mild winters. The average temperature in the summer season ranges from 68 to 88°F, while the winter temperatures stay mostly between 37 and 58°F. Precipitation is pretty steady throughout the year, averaging around 60 inches annually, with most of it falling during the warmer months. Humidity can be a problem during summer months, but overall the weather in Charleston is quite pleasant year-round.

Charleston (zip 29409), South Carolina gets 48 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Charleston (zip 29409) averages 0 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 Charleston (zip 29409). The US average is 205 sunny days.

Charleston (zip 29409) gets some kind of precipitation, on average, 106 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 90 degrees
Winter Low: the January low is 39
Rain: averages 48 inches of rain a year
Snow: averages 0 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 29409 zip code is 7.2 (10=best), which means it is less comfortable than most places in South Carolina.

4 Summer - 7.8 Winter

October, April and May are the most pleasant months in the 29409 zip code, while July and August are the least comfortable months.

Climate	Charleston, South Carolina	United States
	Unlock	38.1 in.
	0.4 in.	Unlock
	Unlock	106.2 days
	211 days	Unlock
	89.8°	85.8°
	Unlock	21.7°
	7.2	Unlock
	Unlock	4.3
	10 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 the 29409 zip code with an average high temperature of 89.8°, which ranks it as cooler than most places in South Carolina. In the 29409 zip code, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 29409 zip code are October, May and April.

In the 29409 zip code, there are 40.9 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 the 29409 zip code with an average of 39.3°. This is one of the warmest places in South Carolina.

In the 29409 zip code, there are 17.4 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in South Carolina.

In the 29409 zip code, 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 the 29409 zip code can be stifling in the summer, but pleasant for most of the year. The most uncomfortably humid months are July, August and June. The humid season runs from May-September and the least humid months are October-April.

August is the wettest month in the 29409 zip code with 6.7 inches of rain, and the driest month is May with 2.5 inches. The wettest season is Autumn with 36% of yearly precipitation and 19% occurs in Summer, which is the driest season. The annual rainfall of 48.2 inches in the 29409 zip code means that it is wetter than most places in South Carolina.

August is the rainiest month in the 29409 zip code with 11.6 days of rain, and May is the driest month with only 6.8 rainy days. There are 105.7 rainy days annually in the 29409 zip code, which is rainier than most places in South Carolina. The rainiest season is Autumn when it rains 32% of the time and the driest is Summer with only a 21% chance of a rainy day.

An annual snowfall of 0.4 inches in the 29409 zip code means that it is less snowy than most places in South Carolina. December is the snowiest month in the 29409 zip code with 0.2 inches of snow, and no months of the year have significant snowfall.

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