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May Weather in Blanchester, United States

Last updated: June 24, 2025

In Blanchester, United States, the average temperature in May hovers around 18°C (65°F). Expect a minimum that can dip to 0°C (32°F), while highs may soar to 32°C (90°F). Over the month, anticipate 131 mm (5.2 in) of precipitation spread across 14 days, complemented by a humidity level averaging 81%. Prepare for a mix of conditions!

May Temperature in Blanchester

In May in Blanchester, the average temperature is 18°C (65°F). Maximums can reach 32°C (90°F), and minimums can be as low as 0°C (32°F). This makes Blanchester an ideal destination for travelers seeking a blend of warm days and cooler nights.

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

The chart illustrates May temperature patterns in Blanchester, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Blanchester, May typically has an average temperature of 18°C (65°F), with highs reaching up to 32°C (90°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec323644546573777470594338
Data source: Temperature data for Blanchester 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 Blanchester

In Blanchester in May, the precipitation amount is 131 mm (5.2 in) spread over the course of 14 days.

May Precipitation Trends in Blanchester

The chart displays monthly precipitation patterns in Blanchester, 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 Blanchester, May typically receives around 131 mm (5.2 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec84112142128131131118828797102118
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Blanchester

In Blanchester in May, humidity is 81%. With an average temperature of 18°C (65°F), this humidity feels like a thick blanket wrapping around you, making every step feel heavier and the air thick and sultry—a challenging environment for traveling.

May Average Humidity in Blanchester

This chart illustrates the average monthly humidity levels in Blanchester, 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 Blanchester 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 Blanchester

In Blanchester 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 Blanchester.

Maximum UV Index Levels in Blanchester for May

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

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

This table compares monthly weather conditions in Blanchester, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)84 mm (3.3 inches)88%moderate
February Weather2°C (37°F)112 mm (4.4 inches)88%moderate
March Weather7°C (45°F)142 mm (5.6 inches)87%high
April Weather12°C (54°F)128 mm (5.0 inches)85%very high
May Weather18°C (65°F)131 mm (5.2 inches)81%very high
June Weather23°C (73°F)131 mm (5.2 inches)82%very high
July Weather25°C (77°F)118 mm (4.6 inches)81%very high
August Weather23°C (74°F)82 mm (3.2 inches)73%very high
September Weather21°C (70°F)87 mm (3.4 inches)73%very high
October Weather15°C (59°F)97 mm (3.8 inches)78%high
November Weather6°C (43°F)102 mm (4.0 inches)89%moderate
December Weather3°C (38°F)118 mm (4.6 inches)87%moderate

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