June Weather in Brookhaven, United States

Last updated: June 24, 2025

In June, the average temperature in Brookhaven, United States is a mild 21°C (70°F), with a minimum dipping to 6°C (42°F) and a maximum soaring to 32°C (89°F). You'll experience 161 mm (6.3 in) of precipitation over approximately 16 days, contributing to a rather high average humidity of 84%. Prepare for a month that balances warmth with a touch of tropical moisture!

June Temperature in Brookhaven

In June in Brookhaven, the average temperature is 21°C (70°F). The maximum can reach 32°C (89°F), and the minimum can be as low as 6°C (42°F). This makes it an ideal time for travelers looking to experience mild weather while enjoying outdoor activities.

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

The chart illustrates June 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, June typically has an average temperature of 21°C (70°F), with highs reaching up to 32°C (89°F) and lows dropping to around 6°C (42°F).

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

June Precipitation in Brookhaven

In Brookhaven in June, the total precipitation amount is 161 mm (6.3 in), occurring over a span of 16 days.

June Precipitation Trends in Brookhaven

The chart displays monthly precipitation patterns in Brookhaven, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Brookhaven, June typically receives around 161 mm (6.3 inches) of precipitation spread over approximately 16 days.

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

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Millimeters (mm) Inches (in)

June Humidity in Brookhaven

In Brookhaven in June, humidity is 84%. With an average temperature of 21°C (70°F), this humidity feels like thick, warm air wrapping around you, making outdoor activities quite uncomfortable and necessitating frequent hydration breaks for a more enjoyable travel experience.

June Average Humidity in Brookhaven

This chart illustrates the average monthly humidity levels in Brookhaven, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Brookhaven is approximately 84%, offering insight into how humid the weather typically is during this month.

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

June UV Index in Brookhaven

In Brookhaven in June, 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 Brookhaven.

Maximum UV Index Levels in Brookhaven for June

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

Data source: Brookhaven June 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 June 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 June’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 June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (33°F)	93 mm (3.7 inches)	88%	moderate
February Weather	3°C (38°F)	150 mm (5.9 inches)	88%	moderate
March Weather	6°C (44°F)	118 mm (4.7 inches)	88%	high
April Weather	11°C (53°F)	145 mm (5.7 inches)	86%	very high
May Weather	17°C (63°F)	156 mm (6.1 inches)	82%	very high
June Weather	21°C (70°F)	161 mm (6.3 inches)	84%	very high
July Weather	23°C (74°F)	130 mm (5.1 inches)	82%	very high
August Weather	22°C (72°F)	117 mm (4.6 inches)	73%	very high
September Weather	20°C (68°F)	114 mm (4.5 inches)	73%	very high
October Weather	14°C (58°F)	117 mm (4.6 inches)	81%	high
November Weather	6°C (43°F)	90 mm (3.5 inches)	89%	moderate
December Weather	3°C (38°F)	130 mm (5.1 inches)	86%	moderate