May Weather in Greenville, United States

Last updated: June 24, 2025

In Greenville, United States, the average temperature in May hovers around 22°C (72°F), offering a pleasant climate for outdoor activities. However, temperatures can fluctuate significantly, with a minimum of 7°C (44°F) and a maximum reaching 34°C (93°F). Expect about 99 mm (3.9 in) of precipitation spread over 11 days, contributing to an average humidity level of 81%. Get ready for a mix of warmth and moisture in this vibrant locale!

May Temperature in Greenville

In May in Greenville, the average temperature is 22°C (72°F), with maximums reaching up to 34°C (93°F) and minimums dropping as low as 7°C (44°F). This pleasant range in temperatures makes Greenville an ideal destination for travelers seeking a comfortable climate.

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 22°C (72°F), with highs reaching up to 34°C (93°F) and lows dropping to around 7°C (44°F).

Data source: Temperature data for Greenville generated using information from the Copernicus Climate Change Service.

May Precipitation in Greenville

In Greenville, in May, the precipitation amount is 99 mm (3.9 in) over the course of 11 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 99 mm (3.9 inches) of precipitation spread over approximately 11 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

May Humidity in Greenville

In Greenville in May, humidity is 81%. With an average temperature of 22°C (72°F), this humidity feels like a warm, enveloping blanket, making traveling feel both lush and a bit stifling, as the air clings to your skin and every step is accompanied by a gentle sheen of moisture.

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 81%, offering insight into how humid the weather typically is during this month.

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.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (48°F)	107 mm (4.2 inches)	86%	moderate
February Weather	12°C (54°F)	128 mm (5.0 inches)	84%	high
March Weather	14°C (58°F)	99 mm (3.9 inches)	83%	very high
April Weather	17°C (64°F)	107 mm (4.2 inches)	81%	very high
May Weather	22°C (72°F)	99 mm (3.9 inches)	81%	extreme
June Weather	25°C (77°F)	117 mm (4.6 inches)	81%	extreme
July Weather	26°C (80°F)	107 mm (4.2 inches)	83%	extreme
August Weather	26°C (79°F)	127 mm (5.0 inches)	81%	extreme
September Weather	24°C (76°F)	104 mm (4.1 inches)	82%	very high
October Weather	20°C (68°F)	106 mm (4.2 inches)	78%	very high
November Weather	12°C (54°F)	78 mm (3.1 inches)	86%	high
December Weather	10°C (50°F)	131 mm (5.2 inches)	89%	moderate