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May Weather in Hilliard, United States

Last updated: June 24, 2025

In Hilliard, United States, the average temperature during May hovers around 24°C (76°F). However, it can vary significantly, with minimums dipping to 9°C (49°F) and maximums soaring to 38°C (102°F). Expect some rain, as 78 mm (3.1 in) of precipitation is typically recorded over about 9 days. The average humidity in this month is a comfortable 72%, creating a balanced and enjoyable climate.

May Temperature in Hilliard

In May in Hilliard, the average temperature is 24°C (76°F). Maximum temperatures can reach up to 38°C (102°F), while minimum temperatures can drop to as low as 9°C (49°F). It's a great time for travelers to enjoy a variety of outdoor activities while being prepared for both warm days and cooler nights.

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

The chart illustrates May temperature patterns in Hilliard, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hilliard, May typically has an average temperature of 24°C (76°F), with highs reaching up to 38°C (102°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec546064697579818179736157
Data source: Temperature data for Hilliard 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 Hilliard

In Hilliard in May, the precipitation amount is 78 mm (3.1 in) over the course of 9 days.

May Precipitation Trends in Hilliard

The chart displays monthly precipitation patterns in Hilliard, 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 Hilliard, May typically receives around 78 mm (3.1 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec53684368781561631631375666104
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Hilliard

In Hilliard in May humidity is 72%. With an average temperature of 24°C (76°F), this humidity feels like a warm, muggy embrace that can make outdoor activities a bit uncomfortable, so travelers should stay hydrated and plan for frequent breaks in the shade.

May Average Humidity in Hilliard

This chart illustrates the average monthly humidity levels in Hilliard, 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 Hilliard is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%79%78%73%72%74%82%82%83%79%82%85%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Hilliard

In Hilliard in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Hilliard.

Maximum UV Index Levels in Hilliard for May

The chart shows the monthly maximum UV Index (UVI) for Hilliard 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 Hilliard typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec579101111111110864
Data source: Hilliard 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 Hilliard Compares to Other Months

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

This table compares monthly weather conditions in Hilliard, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (55°F)53 mm (2.1 inches)84%moderate
February Weather16°C (61°F)68 mm (2.7 inches)79%high
March Weather18°C (64°F)43 mm (1.7 inches)78%very high
April Weather21°C (69°F)68 mm (2.7 inches)72%very high
May Weather24°C (76°F)78 mm (3.1 inches)72%extreme
June Weather26°C (79°F)156 mm (6.2 inches)74%extreme
July Weather27°C (81°F)163 mm (6.4 inches)82%extreme
August Weather27°C (81°F)163 mm (6.4 inches)82%extreme
September Weather26°C (79°F)137 mm (5.4 inches)83%very high
October Weather23°C (74°F)56 mm (2.2 inches)79%very high
November Weather16°C (62°F)66 mm (2.6 inches)82%high
December Weather14°C (57°F)104 mm (4.1 inches)85%moderate

Compare Hilliard's Climate with Cities Worldwide