May Weather in Parma, United States

Last updated: June 24, 2025

In Parma, United States, the average temperature in May is a pleasant 21°C (70°F). Visitors can experience a range from a cool 4°C (40°F) to a warm 33°C (91°F). Expect to see about 127 mm (5.0 in) of precipitation over 13 days, with an average humidity level of 82%.

May Temperature in Parma

In May in Parma, the average temperature is 21°C (70°F). The maximum can reach 33°C (91°F), while the minimum can drop as low as 4°C (40°F). Travelers should prepare for a pleasant climate with the potential for warm days and cooler nights.

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 21°C (70°F), with highs reaching up to 33°C (91°F) and lows dropping to around 4°C (40°F).

Data source: Temperature data for Parma generated using information from the Copernicus Climate Change Service.

May Precipitation in Parma

In Parma in May, the total precipitation amount is 127 mm (5.0 in) spread over 13 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 127 mm (5.0 inches) of precipitation spread over approximately 13 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

May Humidity in Parma

In Parma in May, humidity is 82%. With an average temperature of 21°C (70°F), this humidity feels like a warm, sticky embrace that can quickly lead to discomfort for travelers, making outdoor activities less enjoyable and requiring frequent breaks for hydration.

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 82%, offering insight into how humid the weather typically is during this month.

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.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (39°F)	108 mm (4.3 inches)	86%	moderate
February Weather	5°C (42°F)	151 mm (5.9 inches)	84%	high
March Weather	11°C (52°F)	174 mm (6.9 inches)	84%	high
April Weather	15°C (59°F)	151 mm (6.0 inches)	80%	very high
May Weather	21°C (70°F)	127 mm (5.0 inches)	82%	very high
June Weather	25°C (78°F)	103 mm (4.1 inches)	83%	extreme
July Weather	27°C (81°F)	93 mm (3.7 inches)	79%	extreme
August Weather	26°C (78°F)	104 mm (4.1 inches)	76%	very high
September Weather	23°C (74°F)	83 mm (3.3 inches)	75%	very high
October Weather	17°C (63°F)	115 mm (4.5 inches)	74%	high
November Weather	9°C (48°F)	102 mm (4.0 inches)	85%	moderate
December Weather	7°C (44°F)	101 mm (4.0 inches)	88%	moderate