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May Weather in Bethel Park, United States

Last updated: June 24, 2025

In May, the average temperature in Bethel Park, United States hovers around 17°C (63°F), offering a mild climate for visitors. Temperatures can vary significantly, with minimums plunging to -2°C (30°F) and maximums soaring up to 31°C (88°F). Be prepared for some rain, as precipitation averages 150 mm (5.9 in) over 17 days. Additionally, expect a pleasantly humid atmosphere with average humidity levels reaching 81%.

May Temperature in Bethel Park

In May in Bethel Park, the average temperature is 17°C (63°F). Maximum can reach 31°C (88°F) and minimum can be as low as -2°C (30°F). Be prepared for a wide range of temperatures, making it ideal for both warm-weather activities and cooler evenings.

May Weather in Bethel Park: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Bethel Park, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bethel Park, May typically has an average temperature of 17°C (63°F), with highs reaching up to 31°C (88°F) and lows dropping to around -2°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec323642526370757368574337
Data source: Temperature data for Bethel Park 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 Bethel Park

In Bethel Park in May, the precipitation amount is 150 mm (5.9 in) over a span of 17 days.

May Precipitation Trends in Bethel Park

The chart displays monthly precipitation patterns in Bethel Park, 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 Bethel Park, May typically receives around 150 mm (5.9 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec901241141301501661569712812590109
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Bethel Park

In Bethel Park in May humidity is 81%. With an average temperature of 17°C (63°F), this humidity feels like a warm blanket enveloping you, making travel slightly oppressive and calling for frequent breaks in air-conditioned spaces to recharge and enjoy your journey comfortably.

May Average Humidity in Bethel Park

This chart illustrates the average monthly humidity levels in Bethel Park, 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 Bethel Park is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%87%87%81%83%82%76%77%82%89%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Bethel Park

In Bethel Park in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Bethel Park.

Maximum UV Index Levels in Bethel Park for May

The chart shows the monthly maximum UV Index (UVI) for Bethel Park 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 Bethel Park typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: Bethel Park 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 Bethel Park Compares to Other Months

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

This table compares monthly weather conditions in Bethel Park, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)90 mm (3.5 inches)88%moderate
February Weather2°C (36°F)124 mm (4.9 inches)88%moderate
March Weather6°C (42°F)114 mm (4.5 inches)87%high
April Weather11°C (52°F)130 mm (5.1 inches)87%very high
May Weather17°C (63°F)150 mm (5.9 inches)81%very high
June Weather21°C (70°F)166 mm (6.5 inches)83%very high
July Weather24°C (75°F)156 mm (6.1 inches)82%very high
August Weather23°C (73°F)97 mm (3.8 inches)76%very high
September Weather20°C (68°F)128 mm (5.1 inches)77%very high
October Weather14°C (58°F)125 mm (4.9 inches)82%high
November Weather6°C (43°F)90 mm (3.5 inches)89%moderate
December Weather3°C (37°F)109 mm (4.3 inches)86%low

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