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May Weather in Grand Blanc, United States

Last updated: June 24, 2025

In Grand Blanc, United States, the average temperature in May hovers around 15°C (59°F). However, temperatures can fluctuate significantly, with a minimum of -3°C (27°F) and a maximum reaching 35°C (95°F). The region experiences about 104 mm (4.1 in) of precipitation over 14 days, contributing to an average humidity level of 80%.

May Temperature in Grand Blanc

In May in Grand Blanc, the average temperature is 15°C (59°F). The maximum can reach 35°C (95°F), while the minimum can drop as low as -3°C (27°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

May Weather in Grand Blanc: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Grand Blanc, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grand Blanc, May typically has an average temperature of 15°C (59°F), with highs reaching up to 35°C (95°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec252736465969747265533832
Data source: Temperature data for Grand Blanc 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 Grand Blanc

In Grand Blanc in May, the precipitation amount is 104 mm (4.1 in) distributed over a span of 14 days.

May Precipitation Trends in Grand Blanc

The chart displays monthly precipitation patterns in Grand Blanc, 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 Grand Blanc, May typically receives around 104 mm (4.1 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec626565921041047680871086553
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Grand Blanc

In Grand Blanc in May, humidity is 80%. With an average temperature of 15°C (59°F), this humidity feels like a warm blanket enveloping you, making outdoor activities slightly uncomfortable and necessitating frequent breaks to stay hydrated.

May Average Humidity in Grand Blanc

This chart illustrates the average monthly humidity levels in Grand Blanc, 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 Grand Blanc is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%85%86%80%80%80%81%80%84%90%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Grand Blanc

In Grand Blanc 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 Grand Blanc.

Maximum UV Index Levels in Grand Blanc for May

The chart shows the monthly maximum UV Index (UVI) for Grand Blanc 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 Grand Blanc typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2458910997532
Data source: Grand Blanc 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 Grand Blanc Compares to Other Months

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

This table compares monthly weather conditions in Grand Blanc, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (26°F)62 mm (2.4 inches)88%low
February Weather-3°C (27°F)65 mm (2.6 inches)87%moderate
March Weather2°C (36°F)65 mm (2.6 inches)85%moderate
April Weather8°C (46°F)92 mm (3.6 inches)86%very high
May Weather15°C (59°F)104 mm (4.1 inches)80%very high
June Weather21°C (70°F)104 mm (4.1 inches)80%very high
July Weather23°C (74°F)76 mm (3.0 inches)80%very high
August Weather22°C (72°F)80 mm (3.2 inches)80%very high
September Weather18°C (65°F)87 mm (3.4 inches)80%high
October Weather12°C (53°F)108 mm (4.3 inches)84%moderate
November Weather3°C (38°F)65 mm (2.5 inches)89%moderate
December Weather0°C (32°F)53 mm (2.1 inches)86%low

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