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March Weather in Summerville, United States

Last updated: June 24, 2025

In March, the average temperature in Summerville, United States is a chilly 4°C (39°F). Expect temperatures to range from a minimum of -14°C (8°F) to a maximum of 22°C (72°F). During this time, precipitation is typical, with an average of 106 mm (4.2 in) over 15 days. With an average humidity of 89%, it’s a month that feels damp and cool—perfect for bundling up!

March Temperature in Summerville

In March in Summerville, the average temperature is 4°C (39°F). Maximum temperatures can reach 22°C (72°F), while the minimum can drop as low as -14°C (8°F). Be prepared for a mix of mild and cold weather if you plan to travel during this time.

March Weather in Summerville: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Summerville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Summerville, March typically has an average temperature of 4°C (39°F), with highs reaching up to 22°C (72°F) and lows dropping to around -14°C (8°F).
JanFebMarAprMayJunJulAugSepOctNovDec283239496068737165554034
Data source: Temperature data for Summerville generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

March Precipitation in Summerville

In Summerville in March, the total precipitation amount is 106 mm (4.2 in) over the course of 15 days.

March Precipitation Trends in Summerville

The chart displays monthly precipitation patterns in Summerville, 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 Summerville, March typically receives around 106 mm (4.2 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec100123106135156139137105125128100106
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Summerville

In Summerville in March humidity is 89%. With an average temperature of 4°C (39°F), this humidity feels like an uninviting chill that seeps into your bones, making travel uncomfortable and necessitating extra layers of clothing to fend off the dampness.

March Average Humidity in Summerville

This chart illustrates the average monthly humidity levels in Summerville, 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 Summerville is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%90%89%88%80%79%74%64%67%81%89%88%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Summerville

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

Maximum UV Index Levels in Summerville for March

The chart shows the monthly maximum UV Index (UVI) for Summerville 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 Summerville typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: Summerville 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 Summerville Compares to Other Months

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

This table compares monthly weather conditions in Summerville, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)100 mm (3.9 inches)89%moderate
February Weather0°C (32°F)123 mm (4.8 inches)90%moderate
March Weather4°C (39°F)106 mm (4.2 inches)89%high
April Weather9°C (49°F)135 mm (5.3 inches)88%very high
May Weather15°C (60°F)156 mm (6.1 inches)80%very high
June Weather20°C (68°F)139 mm (5.5 inches)79%very high
July Weather23°C (73°F)137 mm (5.4 inches)74%very high
August Weather22°C (71°F)105 mm (4.1 inches)64%very high
September Weather18°C (65°F)125 mm (4.9 inches)67%very high
October Weather13°C (55°F)128 mm (5.0 inches)81%high
November Weather4°C (40°F)100 mm (3.9 inches)89%moderate
December Weather1°C (34°F)106 mm (4.2 inches)88%low

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