March Weather in South Charleston, United States

Last updated: June 24, 2025

In March, the average temperature in South Charleston, United States hovers around 6°C (43°F). Be prepared for a significant range, as temperatures can drop to a chilly -14°C (6°F) or rise to a pleasant 25°C (77°F). Expect about 116 mm (4.6 in) of precipitation spread over 13 days, contributing to a high average humidity of 87%. Stay cozy and enjoy the seasonal charm!

March Temperature in South Charleston

In March in South Charleston, the average temperature is 6°C (43°F). Maximum temperatures can reach 25°C (77°F), while minimums can drop as low as -14°C (6°F). Be prepared for a wide range of temperatures when traveling during this time!

March Weather in South Charleston: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in South Charleston, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In South Charleston, March typically has an average temperature of 6°C (43°F), with highs reaching up to 25°C (77°F) and lows dropping to around -14°C (6°F).

Data source: Temperature data for South Charleston generated using information from the Copernicus Climate Change Service.

March Precipitation in South Charleston

In South Charleston in March, the total precipitation amount reaches 116 mm (4.6 in) over the course of 13 days.

March Precipitation Trends in South Charleston

The chart displays monthly precipitation patterns in South Charleston, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In South Charleston, March typically receives around 116 mm (4.6 inches) of precipitation spread over approximately 13 days.

Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

March Humidity in South Charleston

In South Charleston in March, humidity is 87%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities uncomfortable and necessitating warm, breathable layers for traveling.

March Average Humidity in South Charleston

This chart illustrates the average monthly humidity levels in South Charleston, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in South Charleston is approximately 87%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in South Charleston

In South Charleston in March, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in South Charleston, you can refer to this Hourly UV Index in South Charleston.

Maximum UV Index Levels in South Charleston for March

The chart shows the monthly maximum UV Index (UVI) for South Charleston in March, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In March, the maximum UV index in South Charleston typically reaches 6, which falls under the high exposure category.

Data source: South Charleston March UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How March Weather in South Charleston Compares to Other Months

Weather in South Charleston varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in South Charleston, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in South Charleston, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (31°F)	79 mm (3.1 inches)	88%	moderate
February Weather	1°C (35°F)	111 mm (4.4 inches)	88%	moderate
March Weather	6°C (43°F)	116 mm (4.6 inches)	87%	high
April Weather	11°C (52°F)	111 mm (4.4 inches)	85%	very high
May Weather	18°C (64°F)	125 mm (4.9 inches)	81%	very high
June Weather	22°C (72°F)	135 mm (5.3 inches)	82%	very high
July Weather	24°C (76°F)	114 mm (4.5 inches)	81%	very high
August Weather	23°C (74°F)	87 mm (3.4 inches)	73%	very high
September Weather	21°C (69°F)	91 mm (3.6 inches)	73%	very high
October Weather	14°C (58°F)	95 mm (3.8 inches)	78%	high
November Weather	6°C (42°F)	98 mm (3.9 inches)	89%	moderate
December Weather	2°C (37°F)	102 mm (4.0 inches)	87%	moderate