March Weather in Mount Pleasant, United States

Last updated: June 24, 2025

In Mount Pleasant, United States, the average temperature in March hovers around 5°C (42°F). Expect a chilly experience, as temperatures can drop to a minimum of -19°C (-2°F), while reaching a pleasant maximum of 23°C (74°F). Precipitation is relatively high, with 92 mm (3.6 in) expected over 11 days, and you'll likely feel the dampness in the air, as average humidity stands at a notable 81%.

March Temperature in Mount Pleasant

In March in Mount Pleasant, the average temperature is 5°C (42°F), with maximums reaching 23°C (74°F) and minimums dropping as low as -19°C (-2°F). This varied climate means travelers should pack for both warm and cold weather when visiting.

March Weather in Mount Pleasant: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Mount Pleasant, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mount Pleasant, March typically has an average temperature of 5°C (42°F), with highs reaching up to 23°C (74°F) and lows dropping to around -19°C (-2°F).

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

March Precipitation in Mount Pleasant

In Mount Pleasant in March, the precipitation amount is 92 mm (3.6 in) spread over 11 days.

March Precipitation Trends in Mount Pleasant

The chart displays monthly precipitation patterns in Mount Pleasant, 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 Mount Pleasant, March typically receives around 92 mm (3.6 inches) of precipitation spread over approximately 11 days.

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

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Millimeters (mm) Inches (in)

March Humidity in Mount Pleasant

In Mount Pleasant in March, humidity is 81%. With an average temperature of 5°C (42°F), this humidity feels like a damp chill that seeps into your bones, making outdoor adventures feel more daunting and travel less invigorating.

March Average Humidity in Mount Pleasant

This chart illustrates the average monthly humidity levels in Mount Pleasant, 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 Mount Pleasant is approximately 81%, 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 Mount Pleasant

In Mount Pleasant 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 Mount Pleasant, you can refer to this Hourly UV Index in Mount Pleasant.

Maximum UV Index Levels in Mount Pleasant for March

The chart shows the monthly maximum UV Index (UVI) for Mount Pleasant 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 Mount Pleasant typically reaches 6, which falls under the high exposure category.

Data source: Mount Pleasant 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 Mount Pleasant Compares to Other Months

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

This table compares monthly weather conditions in Mount Pleasant, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (25°F)	54 mm (2.1 inches)	81%	moderate
February Weather	-3°C (27°F)	59 mm (2.3 inches)	81%	moderate
March Weather	5°C (42°F)	92 mm (3.6 inches)	81%	high
April Weather	10°C (51°F)	87 mm (3.4 inches)	82%	very high
May Weather	18°C (64°F)	164 mm (6.5 inches)	78%	very high
June Weather	24°C (75°F)	145 mm (5.7 inches)	81%	extreme
July Weather	25°C (78°F)	72 mm (2.8 inches)	79%	very high
August Weather	24°C (75°F)	72 mm (2.8 inches)	77%	very high
September Weather	21°C (70°F)	110 mm (4.3 inches)	78%	very high
October Weather	13°C (55°F)	132 mm (5.2 inches)	78%	high
November Weather	4°C (40°F)	51 mm (2.0 inches)	87%	moderate
December Weather	1°C (33°F)	46 mm (1.8 inches)	84%	moderate