May Weather in Grasonville, United States

Last updated: June 24, 2025

In May, the average temperature in Grasonville, United States hovers around 18°C (64°F), with a minimum chill of 4°C (40°F) and a pleasant maximum of 26°C (80°F). Expect 139 mm (5.5 in) of precipitation spread across approximately 12 days, resulting in an average humidity of 78%. Perfect weather for cozy days and refreshing rain!

May Temperature in Grasonville

In May in Grasonville, the average temperature is 18°C (64°F), with maximums reaching 26°C (80°F) and minimums dropping to as low as 4°C (40°F). This mild climate makes it an ideal time for travelers to explore the outdoors and enjoy the local attractions.

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

The chart illustrates May temperature patterns in Grasonville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grasonville, May typically has an average temperature of 18°C (64°F), with highs reaching up to 26°C (80°F) and lows dropping to around 4°C (40°F).

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

May Precipitation in Grasonville

In Grasonville, in May, the precipitation amount is 139 mm (5.5 in) over a span of 12 days.

May Precipitation Trends in Grasonville

The chart displays monthly precipitation patterns in Grasonville, 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 Grasonville, May typically receives around 139 mm (5.5 inches) of precipitation spread over approximately 12 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 Grasonville

In Grasonville in May, humidity is 78%. With an average temperature of 18°C (64°F), this humidity feels like a warm, thick blanket wrapping around you, making traveling feel a bit sticky and sluggish, yet the coolness of the air tempers the intensity, inviting you to explore at a leisurely pace.

May Average Humidity in Grasonville

This chart illustrates the average monthly humidity levels in Grasonville, 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 Grasonville is approximately 78%, 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 Grasonville

In Grasonville 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 Grasonville.

Maximum UV Index Levels in Grasonville for May

The chart shows the monthly maximum UV Index (UVI) for Grasonville 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 Grasonville typically reaches 10, which falls under the very high exposure category.

Data source: Grasonville 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 Grasonville Compares to Other Months

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

This table compares monthly weather conditions in Grasonville, 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 (37°F)	79 mm (3.1 inches)	84%	moderate
February Weather	4°C (39°F)	136 mm (5.3 inches)	83%	moderate
March Weather	7°C (45°F)	106 mm (4.2 inches)	83%	high
April Weather	12°C (54°F)	112 mm (4.4 inches)	81%	very high
May Weather	18°C (64°F)	139 mm (5.5 inches)	78%	very high
June Weather	23°C (74°F)	83 mm (3.3 inches)	79%	very high
July Weather	27°C (80°F)	143 mm (5.6 inches)	74%	very high
August Weather	26°C (79°F)	136 mm (5.3 inches)	72%	very high
September Weather	23°C (74°F)	118 mm (4.6 inches)	75%	very high
October Weather	18°C (65°F)	138 mm (5.4 inches)	81%	high
November Weather	10°C (50°F)	96 mm (3.8 inches)	85%	moderate
December Weather	6°C (42°F)	130 mm (5.1 inches)	84%	moderate