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March Weather in Greenville, United States

Last updated: June 24, 2025

In Greenville, United States, the weather in March brings an average temperature of 8°C (46°F). Expect the temperature to swing from a chilly -17°C (1°F) at its lowest to a pleasant 25°C (77°F) at its highest. Be prepared for precipitation as well, with an average of 133 mm (5.2 in) spread over 12 days. The average humidity hovers around a notable 84%, making for a damp but invigorating atmosphere.

March Temperature in Greenville

In March in Greenville, the average temperature is 8°C (46°F). Maximums can reach 25°C (77°F), and minimums can drop as low as -17°C (1°F). Be prepared for a wide range of temperatures if you plan to visit during this month.

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 8°C (46°F), with highs reaching up to 25°C (77°F) and lows dropping to around -17°C (1°F).
JanFebMarAprMayJunJulAugSepOctNovDec313546546776797672594338
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 133 mm (5.2 in) spread over 12 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 133 mm (5.2 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec798113314316111098113611077963
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Greenville

In Greenville in March humidity is 84%. With an average temperature of 8°C (46°F), this humidity feels like a chilly mist wrapping around you, making outdoor exploration cumbersome and layering your clothing a necessity for comfort.

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 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%84%83%80%83%82%83%79%79%88%87%
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 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Greenville, you can refer to this 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 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910111199643
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 Weather0°C (32°F)79 mm (3.1 inches)84%moderate
February Weather1°C (35°F)81 mm (3.2 inches)82%moderate
March Weather8°C (46°F)133 mm (5.2 inches)84%high
April Weather12°C (55°F)143 mm (5.6 inches)83%very high
May Weather19°C (67°F)161 mm (6.3 inches)80%very high
June Weather25°C (77°F)110 mm (4.3 inches)83%extreme
July Weather26°C (79°F)98 mm (3.9 inches)82%extreme
August Weather24°C (76°F)113 mm (4.4 inches)82%very high
September Weather22°C (72°F)61 mm (2.4 inches)79%very high
October Weather15°C (59°F)107 mm (4.2 inches)79%high
November Weather6°C (43°F)79 mm (3.1 inches)88%moderate
December Weather3°C (38°F)63 mm (2.5 inches)87%moderate

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