May Weather in Howell, United States

Last updated: June 24, 2025

In May, the average temperature in Howell, United States hovers around 15°C (60°F). Be prepared for fluctuations, with minimums dipping to -2°C (28°F) and maximums soaring up to 35°C (95°F). This month also sees a fair share of rain, with 115 mm (4.5 in) of precipitation expected over approximately 15 days. Additionally, the average humidity is a notable 80%, creating a warm and occasionally muggy atmosphere.

May Temperature in Howell

In May in Howell, the average temperature is 15°C (60°F). The maximum can reach 35°C (95°F), while the minimum can drop as low as -2°C (28°F). Be prepared for a wide range of temperatures while traveling during this time.

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

The chart illustrates May temperature patterns in Howell, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Howell, May typically has an average temperature of 15°C (60°F), with highs reaching up to 35°C (95°F) and lows dropping to around -2°C (28°F).

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

May Precipitation in Howell

In Howell in May, the total precipitation amount is 115 mm (4.5 in) over a span of 15 days.

May Precipitation Trends in Howell

The chart displays monthly precipitation patterns in Howell, 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 Howell, May typically receives around 115 mm (4.5 inches) of precipitation spread over approximately 15 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 Howell

In Howell 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 Howell

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

In Howell 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 Howell.

Maximum UV Index Levels in Howell for May

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

Data source: Howell 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 Howell Compares to Other Months

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

This table compares monthly weather conditions in Howell, 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 (2.5 inches)	88%	low
February Weather	-3°C (28°F)	67 mm (2.6 inches)	87%	moderate
March Weather	3°C (37°F)	74 mm (2.9 inches)	85%	moderate
April Weather	8°C (47°F)	90 mm (3.5 inches)	86%	very high
May Weather	15°C (60°F)	115 mm (4.5 inches)	80%	very high
June Weather	21°C (70°F)	96 mm (3.8 inches)	80%	very high
July Weather	23°C (74°F)	97 mm (3.8 inches)	80%	very high
August Weather	22°C (72°F)	68 mm (2.7 inches)	80%	very high
September Weather	18°C (65°F)	78 mm (3.1 inches)	80%	high
October Weather	12°C (54°F)	106 mm (4.2 inches)	84%	moderate
November Weather	4°C (39°F)	71 mm (2.8 inches)	89%	moderate
December Weather	0°C (32°F)	54 mm (2.1 inches)	86%	low