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May Weather in Greensburg, United States

Last updated: June 24, 2025

In May, the average temperature in Greensburg, United States hovers around 18°C (65°F), offering a comfortable climate for outdoor activities. However, temperatures can vary significantly, dipping as low as 1°C (34°F) and soaring to a warm 35°C (95°F). Expect precipitation of about 160 mm (6.3 in) over approximately 12 days, and be prepared for a notably high average humidity of 82%, making this a uniquely atmospheric time to visit.

May Temperature in Greensburg

In May in Greensburg, the average temperature is 18°C (65°F). Maximums can reach 35°C (95°F), while minimums can be as low as 1°C (34°F). This diverse temperature range makes Greensburg an ideal destination for travelers looking to experience both warm days and cooler nights.

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

The chart illustrates May temperature patterns in Greensburg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Greensburg, May typically has an average temperature of 18°C (65°F), with highs reaching up to 35°C (95°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec333447546576807772574537
Data source: Temperature data for Greensburg 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 Greensburg

In Greensburg in May, the precipitation amount is 160 mm (6.3 in) over a span of 12 days.

May Precipitation Trends in Greensburg

The chart displays monthly precipitation patterns in Greensburg, 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 Greensburg, May typically receives around 160 mm (6.3 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec2719695316073476249851832
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Greensburg

In Greensburg in May, humidity is 82%. With an average temperature of 18°C (65°F), this humidity feels like a warm, sticky embrace that can quickly leave travelers feeling fatigued and in need of frequent breaks to stay refreshed and hydrated.

May Average Humidity in Greensburg

This chart illustrates the average monthly humidity levels in Greensburg, 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 Greensburg is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%76%67%70%82%82%81%76%67%72%80%83%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Greensburg

In Greensburg 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 Greensburg.

Maximum UV Index Levels in Greensburg for May

The chart shows the monthly maximum UV Index (UVI) for Greensburg 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 Greensburg typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec45710111111109753
Data source: Greensburg 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 Greensburg Compares to Other Months

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

This table compares monthly weather conditions in Greensburg, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (33°F)27 mm (1.1 inches)75%moderate
February Weather1°C (34°F)18 mm (0.7 inches)76%moderate
March Weather8°C (47°F)69 mm (2.7 inches)67%high
April Weather12°C (54°F)53 mm (2.1 inches)70%very high
May Weather18°C (65°F)160 mm (6.3 inches)82%extreme
June Weather25°C (77°F)73 mm (2.9 inches)82%extreme
July Weather26°C (80°F)47 mm (1.9 inches)81%extreme
August Weather25°C (77°F)62 mm (2.4 inches)76%very high
September Weather22°C (73°F)49 mm (1.9 inches)67%very high
October Weather14°C (57°F)85 mm (3.3 inches)72%high
November Weather7°C (45°F)17 mm (0.7 inches)80%moderate
December Weather3°C (38°F)32 mm (1.2 inches)83%moderate

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