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May Weather in Blackstone, United States

Last updated: June 24, 2025

In May, the average temperature in Blackstone, United States hovers around 20°C (69°F). Expect a range where the minimum can dip to 2°C (35°F) and the maximum peaks at a sizzling 36°C (97°F). With an average precipitation of 111 mm (4.4 in) spread over 11 days, you'll also experience a high average humidity of 82%. Prepare accordingly for a month full of varied weather!

May Temperature in Blackstone

In May in Blackstone, the average temperature is 20°C (69°F). Maximums can reach 36°C (97°F), and minimums can be as low as 2°C (35°F). Be prepared for a wide range of temperatures and pack accordingly for your travels!

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

The chart illustrates May temperature patterns in Blackstone, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Blackstone, May typically has an average temperature of 20°C (69°F), with highs reaching up to 36°C (97°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec414651606975817873645045
Data source: Temperature data for Blackstone 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 Blackstone

In Blackstone in May, the precipitation amount is 111 mm (4.4 in), occurring over the course of 11 days.

May Precipitation Trends in Blackstone

The chart displays monthly precipitation patterns in Blackstone, 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 Blackstone, May typically receives around 111 mm (4.4 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec7410173106111118911421031167797
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Blackstone

In Blackstone in May humidity is 82%. With an average temperature of 20°C (69°F), this humidity feels like a warm, sticky embrace that clings to your skin, making it necessary to stay hydrated while exploring the sights.

May Average Humidity in Blackstone

This chart illustrates the average monthly humidity levels in Blackstone, 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 Blackstone is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%84%84%82%83%83%79%77%75%81%87%85%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Blackstone

In Blackstone 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 Blackstone.

Maximum UV Index Levels in Blackstone for May

The chart shows the monthly maximum UV Index (UVI) for Blackstone 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 Blackstone typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3679101010109753
Data source: Blackstone 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 Blackstone Compares to Other Months

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

This table compares monthly weather conditions in Blackstone, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)74 mm (2.9 inches)84%moderate
February Weather8°C (46°F)101 mm (4.0 inches)84%high
March Weather10°C (51°F)73 mm (2.9 inches)84%high
April Weather16°C (60°F)106 mm (4.2 inches)82%very high
May Weather20°C (69°F)111 mm (4.4 inches)82%very high
June Weather24°C (76°F)118 mm (4.7 inches)83%very high
July Weather27°C (81°F)91 mm (3.6 inches)79%very high
August Weather26°C (78°F)142 mm (5.6 inches)77%very high
September Weather23°C (74°F)103 mm (4.0 inches)75%very high
October Weather18°C (64°F)116 mm (4.6 inches)81%high
November Weather10°C (50°F)77 mm (3.0 inches)87%moderate
December Weather7°C (45°F)97 mm (3.8 inches)85%moderate

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