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May Weather in Morgantown, United States

Last updated: June 24, 2025

In Morgantown, United States, the average temperature in May hovers around 18°C (66°F). Expect temperatures to range from a chilly 0°C (32°F) to a warm 34°C (93°F). During this month, you can anticipate approximately 136 mm (5.3 in) of precipitation across 14 days, contributing to an average humidity of 79%. Prepare for a diverse climate!

May Temperature in Morgantown

In May in Morgantown, the average temperature is 18°C (66°F), with maximums reaching 34°C (93°F) and minimums dropping as low as 0°C (32°F). This makes it a perfect time for travelers to enjoy a mix of warm days and cool nights.

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

The chart illustrates May temperature patterns in Morgantown, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Morgantown, May typically has an average temperature of 18°C (66°F), with highs reaching up to 34°C (93°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec323644536574777570594338
Data source: Temperature data for Morgantown 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 Morgantown

In Morgantown in May, the total precipitation amount is 136 mm (5.3 in) spread over 14 days.

May Precipitation Trends in Morgantown

The chart displays monthly precipitation patterns in Morgantown, 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 Morgantown, May typically receives around 136 mm (5.3 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec851071351141361291161047910110395
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Morgantown

In Morgantown in May, humidity is 79%. With an average temperature of 18°C (66°F), this humidity feels like a warm, enveloping blanket, making outdoor activities slightly uncomfortable and sticky, but also offering a vibrant atmosphere perfect for exploring local cafes and shaded parks.

May Average Humidity in Morgantown

This chart illustrates the average monthly humidity levels in Morgantown, 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 Morgantown is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%86%84%79%82%79%70%69%76%88%87%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Morgantown

In Morgantown 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 Morgantown.

Maximum UV Index Levels in Morgantown for May

The chart shows the monthly maximum UV Index (UVI) for Morgantown 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 Morgantown typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910111098643
Data source: Morgantown 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 Morgantown Compares to Other Months

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

This table compares monthly weather conditions in Morgantown, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)85 mm (3.3 inches)87%moderate
February Weather2°C (36°F)107 mm (4.2 inches)85%moderate
March Weather7°C (45°F)135 mm (5.3 inches)86%high
April Weather12°C (54°F)114 mm (4.5 inches)84%very high
May Weather18°C (66°F)136 mm (5.3 inches)79%very high
June Weather23°C (74°F)129 mm (5.1 inches)82%extreme
July Weather25°C (78°F)115 mm (4.5 inches)79%very high
August Weather24°C (75°F)104 mm (4.1 inches)70%very high
September Weather21°C (71°F)79 mm (3.1 inches)69%very high
October Weather15°C (59°F)101 mm (4.0 inches)76%high
November Weather6°C (43°F)103 mm (4.1 inches)88%moderate
December Weather3°C (38°F)95 mm (3.7 inches)87%moderate

Compare Morgantown's Climate with Cities Worldwide