nomadseason

May Weather in Greenville, United States

Last updated: June 24, 2025

In Greenville, United States, the average temperature in May is a pleasant 23°C (74°F). However, temperatures can vary significantly, with a minimum of 8°C (47°F) and a maximum soaring to 37°C (99°F). Expect some rain, as 119 mm (4.7 in) of precipitation typically falls over 10 days of the month, accompanied by an average humidity of 74%. Stay prepared for both sunny days and potential showers!

May Temperature in Greenville

In May in Greenville, the average temperature is 23°C (74°F), with maximums reaching 37°C (99°F) and minimums dropping as low as 8°C (47°F). This makes it an ideal time to pack both light clothing for the warm days and a jacket for the cooler evenings, ensuring a comfortable and enjoyable trip.

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 23°C (74°F), with highs reaching up to 37°C (99°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec505761667479818178705753
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 119 mm (4.7 in) over the span of 10 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 119 mm (4.7 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec1061199912111913611612510710769133
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 74%. With an average temperature of 23°C (74°F), this humidity feels like a warm, enveloping blanket, making outdoor activities a bit sticky and potentially exhausting, so travelers should stay hydrated and take frequent breaks in the shade.

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 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%82%79%77%74%70%78%78%79%74%83%86%
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.
JanFebMarAprMayJunJulAugSepOctNovDec589111111121110864
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 Weather10°C (50°F)106 mm (4.2 inches)83%moderate
February Weather14°C (57°F)119 mm (4.7 inches)82%very high
March Weather16°C (62°F)98 mm (3.9 inches)79%very high
April Weather19°C (66°F)121 mm (4.8 inches)77%extreme
May Weather23°C (74°F)119 mm (4.7 inches)74%extreme
June Weather26°C (79°F)136 mm (5.3 inches)70%extreme
July Weather27°C (81°F)116 mm (4.6 inches)78%extreme
August Weather27°C (81°F)125 mm (4.9 inches)78%extreme
September Weather25°C (78°F)107 mm (4.2 inches)79%very high
October Weather21°C (71°F)107 mm (4.2 inches)74%very high
November Weather14°C (57°F)69 mm (2.7 inches)83%high
December Weather12°C (53°F)133 mm (5.2 inches)86%moderate

Compare Greenville's Climate with Cities Worldwide