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May Weather in Hillsdale, United States

Last updated: June 24, 2025

In Hillsdale, United States, the average temperature in May hovers around 15°C (60°F). Weather can be quite variable, with minimums dipping to -2°C (28°F) and maximums soaring to 34°C (93°F). Expect about 142 mm (5.6 in) of precipitation over 16 days, contributing to a high average humidity of 81%.

May Temperature in Hillsdale

In May in Hillsdale, the average temperature is 15°C (60°F), with maximums reaching up to 34°C (93°F) and minimums dropping as low as -2°C (28°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates May temperature patterns in Hillsdale, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hillsdale, May typically has an average temperature of 15°C (60°F), with highs reaching up to 34°C (93°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec262737476070747165543932
Data source: Temperature data for Hillsdale 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 Hillsdale

In Hillsdale in May, the precipitation amount is 142 mm (5.6 in) distributed over 16 days.

May Precipitation Trends in Hillsdale

The chart displays monthly precipitation patterns in Hillsdale, 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 Hillsdale, May typically receives around 142 mm (5.6 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec7173899614210712477781218058
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Hillsdale

In Hillsdale in May, humidity is 81%. With an average temperature of 15°C (60°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel sluggish and draining, which can challenge even the best-prepared traveler.

May Average Humidity in Hillsdale

This chart illustrates the average monthly humidity levels in Hillsdale, 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 Hillsdale is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%87%88%81%82%81%78%78%82%89%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Hillsdale

In Hillsdale in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Hillsdale.

Maximum UV Index Levels in Hillsdale for May

The chart shows the monthly maximum UV Index (UVI) for Hillsdale 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 Hillsdale typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35699101098642
Data source: Hillsdale 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 Hillsdale Compares to Other Months

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

This table compares monthly weather conditions in Hillsdale, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (26°F)71 mm (2.8 inches)88%moderate
February Weather-3°C (28°F)73 mm (2.9 inches)87%moderate
March Weather3°C (38°F)89 mm (3.5 inches)87%high
April Weather8°C (47°F)96 mm (3.8 inches)87%very high
May Weather15°C (60°F)142 mm (5.6 inches)81%very high
June Weather21°C (70°F)107 mm (4.2 inches)82%very high
July Weather23°C (74°F)124 mm (4.9 inches)81%very high
August Weather22°C (71°F)77 mm (3.0 inches)78%very high
September Weather19°C (66°F)78 mm (3.1 inches)78%very high
October Weather12°C (54°F)121 mm (4.8 inches)82%high
November Weather4°C (39°F)80 mm (3.2 inches)89%moderate
December Weather0°C (33°F)58 mm (2.3 inches)86%low

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