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March Weather in Greenville, United States

Last updated: June 24, 2025

In Greenville, United States, the average temperature in March hovers around 15°C (59°F). This month can bring a range of temperatures, with lows of -4°C (25°F) and highs reaching 30°C (86°F). Expect precipitation totaling 166 mm (6.5 in) over 14 days, and with an average humidity of 80%, the air can feel quite moist.

March Temperature in Greenville

In March in Greenville, the average temperature is 15°C (59°F), with a maximum that can reach 30°C (86°F) and a minimum that can drop as low as -4°C (25°F). This wide temperature range means that travelers should be prepared for both warm days and chilly nights, making layering essential for a comfortable visit.

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

The chart illustrates March temperature patterns in Greenville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Greenville, March typically has an average temperature of 15°C (59°F), with highs reaching up to 30°C (86°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec465059647480828278675451
Data source: Temperature data for Greenville 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 Greenville

In Greenville in March, the precipitation amount is 166 mm (6.5 in) over a period of 14 days.

March Precipitation Trends in Greenville

The chart displays monthly precipitation patterns in Greenville, 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 Greenville, March typically receives around 166 mm (6.5 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec120196166157129125931138012985128
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

March Humidity in Greenville

In Greenville in March, humidity is 80%. With an average temperature of 15°C (59°F), this humidity feels like a warm blanket enveloping you, making outdoor activities slightly uncomfortable and necessitating frequent breaks to stay hydrated.

March Average Humidity in Greenville

This chart illustrates the average monthly humidity levels in Greenville, 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 Greenville is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%83%80%82%83%80%80%75%73%76%84%88%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Greenville

In Greenville in March, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Greenville.

Maximum UV Index Levels in Greenville for March

The chart shows the monthly maximum UV Index (UVI) for Greenville 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 Greenville typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47810111211119764
Data source: Greenville 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 Greenville Compares to Other Months

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

This table compares monthly weather conditions in Greenville, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)120 mm (4.7 inches)84%moderate
February Weather10°C (50°F)196 mm (7.7 inches)83%high
March Weather15°C (59°F)166 mm (6.5 inches)80%very high
April Weather18°C (64°F)156 mm (6.2 inches)82%very high
May Weather23°C (74°F)129 mm (5.1 inches)83%extreme
June Weather26°C (80°F)125 mm (4.9 inches)80%extreme
July Weather28°C (83°F)93 mm (3.7 inches)80%extreme
August Weather28°C (82°F)113 mm (4.4 inches)75%extreme
September Weather26°C (78°F)80 mm (3.1 inches)73%very high
October Weather20°C (67°F)129 mm (5.1 inches)76%high
November Weather12°C (54°F)85 mm (3.4 inches)84%high
December Weather10°C (51°F)128 mm (5.0 inches)88%moderate

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