nomadseason

May Weather in Greenville, United States

Last updated: June 24, 2025

In Greenville, United States, the average temperature in May is a pleasant 17°C (63°F). You'll experience a temperature range from a chilly -1°C (30°F) to a warm 31°C (87°F). Be prepared for some rain, as 125 mm (4.9 in) of precipitation is expected over 13 days. With an average humidity of 82%, the air will feel quite humid, making it essential to stay hydrated and comfortable!

May Temperature in Greenville

In May in Greenville, the average temperature is 17°C (63°F). Maximums can reach 31°C (87°F), and minimums can drop as low as -1°C (30°F). This diverse temperature range makes it essential for travelers to pack both light clothing for warm days and warmer layers for chilly evenings.

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

The chart illustrates May 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, May typically has an average temperature of 17°C (63°F), with highs reaching up to 31°C (87°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec343945546370757368584338
Data source: Temperature data for Greenville generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Greenville

In Greenville in May, the total precipitation amount is 125 mm (4.9 in), occurring over a span of 13 days.

May Precipitation Trends in Greenville

The chart displays monthly precipitation patterns in Greenville, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Greenville, May typically receives around 125 mm (4.9 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec651017311412590591081021087689
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Greenville

In Greenville in May, humidity is 82%. With an average temperature of 17°C (63°F), this humidity feels like a warm blanket wrapping around you—comfortable yet heavy, making outdoor activities more taxing and requiring frequent breaks for hydration.

May Average Humidity in Greenville

This chart illustrates the average monthly humidity levels in Greenville, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Greenville is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%84%84%82%83%83%79%77%75%81%87%85%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Greenville

In Greenville in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Greenville.

Maximum UV Index Levels in Greenville for May

The chart shows the monthly maximum UV Index (UVI) for Greenville in May, 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 May, the maximum UV index in Greenville typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3689111111109753
Data source: Greenville May 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 May 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 May’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 May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)65 mm (2.5 inches)84%moderate
February Weather4°C (40°F)101 mm (4.0 inches)84%high
March Weather7°C (45°F)73 mm (2.9 inches)84%very high
April Weather12°C (54°F)114 mm (4.5 inches)82%very high
May Weather17°C (63°F)125 mm (4.9 inches)82%extreme
June Weather21°C (70°F)90 mm (3.5 inches)83%extreme
July Weather24°C (76°F)59 mm (2.3 inches)79%extreme
August Weather23°C (73°F)108 mm (4.2 inches)77%very high
September Weather20°C (68°F)101 mm (4.0 inches)75%very high
October Weather14°C (58°F)108 mm (4.2 inches)81%high
November Weather6°C (43°F)76 mm (3.0 inches)87%moderate
December Weather4°C (39°F)89 mm (3.5 inches)85%moderate

Compare Greenville's Climate with Cities Worldwide