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May Weather in Greeneville, United States

Last updated: June 24, 2025

In Greeneville, United States, the average temperature in May hovers around 19°C (66°F). Be prepared for a range, as temperatures can dip to a brisk 0°C (32°F) or soar to a warm 31°C (89°F). Expect some moisture in the air too, with an average precipitation of 129 mm (5.1 in) spread over about 13 days, contributing to a relatively high average humidity of 84%.

May Temperature in Greeneville

In May in Greeneville, the average temperature is 19°C (66°F). Maximums can reach 31°C (89°F), and minimums can be as low as 0°C (32°F). This makes Greeneville an ideal destination for travelers seeking pleasant weather with a mix of warm and cooler temperatures.

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

The chart illustrates May temperature patterns in Greeneville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Greeneville, May typically has an average temperature of 19°C (66°F), with highs reaching up to 31°C (89°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec394449576672757470604642
Data source: Temperature data for Greeneville 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.

May Precipitation in Greeneville

In Greeneville in May, the precipitation amount is 129 mm (5.1 in) over the course of 13 days.

May Precipitation Trends in Greeneville

The chart displays monthly precipitation patterns in Greeneville, 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 Greeneville, May typically receives around 129 mm (5.1 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec93148130137129115931139012079127
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Greeneville

In Greeneville in May, humidity is 84%. With an average temperature of 19°C (66°F), this humidity feels like a warm, sticky embrace that can make traveling uncomfortable and exhausting, as the air clings to your skin, and every step taken feels heavier in the sultry atmosphere.

May Average Humidity in Greeneville

This chart illustrates the average monthly humidity levels in Greeneville, 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 Greeneville is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%87%84%84%83%79%66%67%76%89%88%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Greeneville

In Greeneville 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 Greeneville.

Maximum UV Index Levels in Greeneville for May

The chart shows the monthly maximum UV Index (UVI) for Greeneville 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 Greeneville typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36810111111109753
Data source: Greeneville 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 Greeneville Compares to Other Months

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

This table compares monthly weather conditions in Greeneville, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)93 mm (3.6 inches)88%moderate
February Weather7°C (45°F)148 mm (5.8 inches)88%high
March Weather10°C (50°F)130 mm (5.1 inches)87%very high
April Weather14°C (57°F)137 mm (5.4 inches)84%very high
May Weather19°C (66°F)129 mm (5.1 inches)84%extreme
June Weather22°C (72°F)115 mm (4.5 inches)83%extreme
July Weather24°C (76°F)93 mm (3.7 inches)79%extreme
August Weather23°C (74°F)113 mm (4.4 inches)66%very high
September Weather21°C (70°F)90 mm (3.6 inches)67%very high
October Weather16°C (61°F)120 mm (4.7 inches)76%high
November Weather8°C (46°F)79 mm (3.1 inches)89%moderate
December Weather6°C (42°F)127 mm (5.0 inches)88%moderate

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