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May Weather in Parma, United States

Last updated: June 24, 2025

In May, the average temperature in Parma, United States is a mild 17°C (63°F). However, be prepared for a broad range; temperatures can dip to a chilly 1°C (35°F) or soar to a scorching 37°C (99°F). Expect around 31 mm (1.2 in) of precipitation spread over 6 days, with an average humidity of 71%. Plan accordingly for a mix of conditions!

May Temperature in Parma

In May in Parma, the average temperature is 17°C (63°F). Maximum temperatures can reach 37°C (99°F), while minimum temperatures can dip as low as 1°C (35°F). This diverse climate makes Parma a great destination for travelers seeking both warm weather and cooler escapes.

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

The chart illustrates May temperature patterns in Parma, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Parma, May typically has an average temperature of 17°C (63°F), with highs reaching up to 37°C (99°F) and lows dropping to around 1°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec333747546373828069544334
Data source: Temperature data for Parma 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 Parma

In Parma in May, the precipitation amount is 31 mm (1.2 in) over a span of 6 days.

May Precipitation Trends in Parma

The chart displays monthly precipitation patterns in Parma, 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 Parma, May typically receives around 31 mm (1.2 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec393929283118269172630
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Parma

In Parma in May, humidity is 71%. With an average temperature of 17°C (63°F), this humidity feels like a warm embrace, making outdoor activities enjoyable yet a bit sticky, so travelers should stay hydrated and take breaks in the shade.

May Average Humidity in Parma

This chart illustrates the average monthly humidity levels in Parma, 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 Parma is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%89%85%79%71%71%66%50%48%65%84%87%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Parma

In Parma 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 Parma.

Maximum UV Index Levels in Parma for May

The chart shows the monthly maximum UV Index (UVI) for Parma 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 Parma typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3468101111108642
Data source: Parma 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 Parma Compares to Other Months

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

This table compares monthly weather conditions in Parma, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (33°F)39 mm (1.5 inches)88%moderate
February Weather3°C (37°F)39 mm (1.5 inches)89%moderate
March Weather8°C (48°F)29 mm (1.1 inches)85%high
April Weather12°C (54°F)28 mm (1.1 inches)79%very high
May Weather17°C (63°F)31 mm (1.2 inches)71%very high
June Weather23°C (73°F)18 mm (0.7 inches)71%extreme
July Weather28°C (83°F)2 mm (0.1 inches)66%extreme
August Weather27°C (80°F)6 mm (0.2 inches)50%very high
September Weather21°C (69°F)9 mm (0.4 inches)48%very high
October Weather12°C (54°F)16 mm (0.6 inches)65%high
November Weather6°C (43°F)26 mm (1.0 inches)84%moderate
December Weather1°C (35°F)30 mm (1.2 inches)87%low

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