May Weather in Grass Lake, United States

Last updated: June 24, 2025

In May, the average temperature in Grass Lake, United States hovers around 15°C (60°F). However, temperatures can vary significantly, with a minimum dip to -2°C (29°F) and a peak reaching 34°C (94°F). Expect a notable precipitation of 123 mm (4.8 in) over approximately 16 days, and prepare for an average humidity level of 80%, creating a rather humid atmosphere.

May Temperature in Grass Lake

In May in Grass Lake, the average temperature is 15°C (60°F). Maximums can reach 34°C (94°F), while minimums can drop as low as -2°C (29°F). This range makes it essential to pack for both warm days and cool nights when traveling to Grass Lake during this time.

May Weather in Grass Lake: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Grass Lake, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grass Lake, May typically has an average temperature of 15°C (60°F), with highs reaching up to 34°C (94°F) and lows dropping to around -2°C (29°F).

Data source: Temperature data for Grass Lake generated using information from the Copernicus Climate Change Service.

May Precipitation in Grass Lake

In Grass Lake in May, the precipitation amount is 123 mm (4.8 in) distributed over 16 days.

May Precipitation Trends in Grass Lake

The chart displays monthly precipitation patterns in Grass Lake, 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 Grass Lake, May typically receives around 123 mm (4.8 inches) of precipitation spread over approximately 16 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

May Humidity in Grass Lake

In Grass Lake in May humidity is 80%. With an average temperature of 15°C (60°F), this humidity feels like a warm, sticky embrace that can make even the simplest stroll feel like a workout, leaving travelers yearning for a refreshing breeze or shade to escape the weight of the air.

May Average Humidity in Grass Lake

This chart illustrates the average monthly humidity levels in Grass Lake, 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 Grass Lake is approximately 80%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Grass Lake

In Grass Lake 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 Grass Lake.

Maximum UV Index Levels in Grass Lake for May

The chart shows the monthly maximum UV Index (UVI) for Grass Lake 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 Grass Lake typically reaches 9, which falls under the very high exposure category.

Data source: Grass Lake 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 Grass Lake Compares to Other Months

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

This table compares monthly weather conditions in Grass Lake, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (26°F)	65 mm (2.6 inches)	88%	low
February Weather	-3°C (28°F)	69 mm (2.7 inches)	87%	moderate
March Weather	3°C (38°F)	78 mm (3.1 inches)	85%	moderate
April Weather	8°C (47°F)	92 mm (3.6 inches)	86%	very high
May Weather	15°C (60°F)	123 mm (4.8 inches)	80%	very high
June Weather	21°C (70°F)	84 mm (3.3 inches)	80%	very high
July Weather	24°C (75°F)	101 mm (4.0 inches)	80%	very high
August Weather	22°C (72°F)	65 mm (2.6 inches)	80%	very high
September Weather	19°C (66°F)	74 mm (2.9 inches)	80%	high
October Weather	12°C (54°F)	109 mm (4.3 inches)	84%	moderate
November Weather	4°C (39°F)	75 mm (3.0 inches)	89%	moderate
December Weather	0°C (33°F)	54 mm (2.1 inches)	86%	low