May Weather in Brookhaven, United States

Last updated: June 24, 2025

In May, the average temperature in Brookhaven, United States is a pleasant 23°C (74°F), with minimums dipping to 10°C (50°F) and maximums soaring to 34°C (93°F). Expect 175 mm (6.9 in) of precipitation spread over 12 days, contributing to an average humidity of 81%. Make sure to prepare for varying weather conditions!

May Temperature in Brookhaven

In May in Brookhaven, the average temperature is 23°C (74°F). Maximum temperatures can reach 34°C (93°F), while minimums can drop as low as 10°C (50°F). Be sure to pack layers to enjoy both warm days and cooler nights during your travels.

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

The chart illustrates May temperature patterns in Brookhaven, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Brookhaven, May typically has an average temperature of 23°C (74°F), with highs reaching up to 34°C (93°F) and lows dropping to around 10°C (50°F).

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

May Precipitation in Brookhaven

In Brookhaven in May, the precipitation amount is 175 mm (6.9 in) accumulated over the course of 12 days.

May Precipitation Trends in Brookhaven

The chart displays monthly precipitation patterns in Brookhaven, 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 Brookhaven, May typically receives around 175 mm (6.9 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 Brookhaven

In Brookhaven in May, humidity is 81%. With an average temperature of 23°C (74°F), this humidity feels like a warm, heavy blanket draped over your skin, making travel feel a bit more sluggish and requiring plenty of water breaks to stay comfortable.

May Average Humidity in Brookhaven

This chart illustrates the average monthly humidity levels in Brookhaven, 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 Brookhaven is approximately 81%, 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 Brookhaven

In Brookhaven in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Brookhaven.

Maximum UV Index Levels in Brookhaven for May

The chart shows the monthly maximum UV Index (UVI) for Brookhaven 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 Brookhaven typically reaches 11, which falls under the extreme exposure category.

Data source: Brookhaven 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 Brookhaven Compares to Other Months

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

This table compares monthly weather conditions in Brookhaven, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (50°F)	120 mm (4.7 inches)	83%	moderate
February Weather	13°C (55°F)	129 mm (5.1 inches)	83%	very high
March Weather	16°C (62°F)	120 mm (4.7 inches)	80%	very high
April Weather	18°C (65°F)	163 mm (6.4 inches)	81%	extreme
May Weather	23°C (74°F)	175 mm (6.9 inches)	81%	extreme
June Weather	26°C (79°F)	149 mm (5.8 inches)	78%	extreme
July Weather	27°C (81°F)	131 mm (5.1 inches)	79%	extreme
August Weather	27°C (80°F)	169 mm (6.6 inches)	79%	extreme
September Weather	26°C (78°F)	110 mm (4.3 inches)	79%	very high
October Weather	21°C (70°F)	104 mm (4.1 inches)	77%	very high
November Weather	14°C (57°F)	85 mm (3.4 inches)	85%	high
December Weather	12°C (53°F)	139 mm (5.5 inches)	88%	moderate