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May Weather in Grove City, United States

Last updated: June 24, 2025

The average temperature in Grove City, United States during May hovers around 18°C (64°F), with a range that can dip to a chilly -1°C (30°F) or soar to a sweltering 32°C (91°F). Expect about 127 mm (5.0 in) of precipitation over 14 days, contributing to a notable average humidity of 81%.

May Temperature in Grove City

In May in Grove City, the average temperature is 18°C (64°F). The maximum can reach 32°C (91°F), while the minimum can drop as low as -1°C (30°F). Be prepared for a range of weather conditions when traveling during this time.

May Weather in Grove City: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Grove City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grove City, May typically has an average temperature of 18°C (64°F), with highs reaching up to 32°C (91°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec313443526472767369584236
Data source: Temperature data for Grove City 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 Grove City

In Grove City in May, the total precipitation amount is 127 mm (5.0 in), occurring over the course of 14 days.

May Precipitation Trends in Grove City

The chart displays monthly precipitation patterns in Grove City, 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 Grove City, May typically receives around 127 mm (5.0 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec81107112117127146113809010096102
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Grove City

In Grove City in May, humidity is 81%. With an average temperature of 18°C (64°F), this humidity feels like a warm embrace, making travel both refreshing and slightly stifling at the same time.

May Average Humidity in Grove City

This chart illustrates the average monthly humidity levels in Grove City, 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 Grove City is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%87%85%81%82%81%73%73%78%89%87%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Grove City

In Grove City 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 Grove City.

Maximum UV Index Levels in Grove City for May

The chart shows the monthly maximum UV Index (UVI) for Grove City 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 Grove City typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098643
Data source: Grove City 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 Grove City Compares to Other Months

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

This table compares monthly weather conditions in Grove City, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)81 mm (3.2 inches)88%moderate
February Weather1°C (35°F)107 mm (4.2 inches)88%moderate
March Weather6°C (43°F)112 mm (4.4 inches)87%high
April Weather11°C (52°F)117 mm (4.6 inches)85%very high
May Weather18°C (64°F)127 mm (5.0 inches)81%very high
June Weather22°C (72°F)146 mm (5.7 inches)82%very high
July Weather24°C (76°F)113 mm (4.4 inches)81%very high
August Weather23°C (74°F)80 mm (3.1 inches)73%very high
September Weather20°C (69°F)90 mm (3.5 inches)73%very high
October Weather14°C (58°F)100 mm (3.9 inches)78%high
November Weather6°C (42°F)96 mm (3.8 inches)89%moderate
December Weather2°C (37°F)102 mm (4.0 inches)87%moderate

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