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May Weather in Piedmont, United States

Last updated: June 24, 2025

In May, the average temperature in Piedmont, United States hovers around 22°C (72°F), with lows dipping to 6°C (43°F) and highs reaching up to 35°C (95°F). Prepare for some rain, as the region experiences approximately 105 mm (4.1 in) of precipitation over about 10 days. With an average humidity of 81%, you can expect a humid atmosphere that enhances the tropical charm of this beautiful destination.

May Temperature in Piedmont

In May in Piedmont, the average temperature is 22°C (72°F). Maximums can reach 35°C (95°F), while minimums can dip as low as 6°C (43°F). This diverse range of temperatures makes Piedmont a great destination for travelers seeking both warmth and cooler respite.

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

The chart illustrates May temperature patterns in Piedmont, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Piedmont, May typically has an average temperature of 22°C (72°F), with highs reaching up to 35°C (95°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec455156627177807975665248
Data source: Temperature data for Piedmont 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 Piedmont

In Piedmont in May, the precipitation amount is 105 mm (4.1 in) over the course of 10 days.

May Precipitation Trends in Piedmont

The chart displays monthly precipitation patterns in Piedmont, 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 Piedmont, May typically receives around 105 mm (4.1 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec1121681371421051211121449612785142
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Piedmont

In Piedmont 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 Piedmont

This chart illustrates the average monthly humidity levels in Piedmont, 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 Piedmont is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%84%82%82%81%77%77%72%73%73%85%88%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Piedmont

In Piedmont 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 Piedmont.

Maximum UV Index Levels in Piedmont for May

The chart shows the monthly maximum UV Index (UVI) for Piedmont 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 Piedmont typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47810111111119864
Data source: Piedmont 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 Piedmont Compares to Other Months

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

This table compares monthly weather conditions in Piedmont, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)112 mm (4.4 inches)85%moderate
February Weather10°C (51°F)168 mm (6.6 inches)84%high
March Weather14°C (57°F)137 mm (5.4 inches)82%very high
April Weather17°C (62°F)142 mm (5.6 inches)82%very high
May Weather22°C (72°F)105 mm (4.1 inches)81%extreme
June Weather25°C (77°F)121 mm (4.8 inches)77%extreme
July Weather27°C (80°F)112 mm (4.4 inches)77%extreme
August Weather26°C (79°F)144 mm (5.7 inches)72%extreme
September Weather24°C (75°F)96 mm (3.8 inches)73%very high
October Weather19°C (66°F)127 mm (5.0 inches)73%very high
November Weather11°C (52°F)85 mm (3.3 inches)85%high
December Weather9°C (48°F)142 mm (5.6 inches)88%moderate

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