July Weather in Brookhaven, United States

Last updated: June 24, 2025

In July, the average temperature in Brookhaven, United States is a warm 26°C (79°F). Expect a comfortable low of 15°C (58°F) and those sweltering highs reaching up to 36°C (98°F). Rainfall during this month averages 136 mm (5.4 in), spread over about 13 days, making it essential to stay prepared. With an average humidity of 74%, the air can feel quite muggy.

July Temperature in Brookhaven

In July in Brookhaven, the average temperature is 26°C (79°F). The maximum can reach 36°C (98°F), while the minimum can drop to as low as 15°C (58°F). This makes it an ideal time to visit for travelers looking for warm weather with comfortable evenings.

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

The chart illustrates July 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, July typically has an average temperature of 26°C (79°F), with highs reaching up to 36°C (98°F) and lows dropping to around 15°C (58°F).

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

July Precipitation in Brookhaven

In Brookhaven in July, the precipitation amount reaches 136 mm (5.4 in) over a span of 13 days.

July Precipitation Trends in Brookhaven

The chart displays monthly precipitation patterns in Brookhaven, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Brookhaven, July typically receives around 136 mm (5.4 inches) of precipitation spread over approximately 13 days.

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

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Millimeters (mm) Inches (in)

July Humidity in Brookhaven

In Brookhaven in July humidity is 74%. With an average temperature of 26°C (79°F), this humidity feels like a warm, enveloping blanket, making it essential for travelers to stay hydrated and take frequent breaks in shaded areas to fully enjoy the vibrant surroundings.

July Average Humidity in Brookhaven

This chart illustrates the average monthly humidity levels in Brookhaven, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Brookhaven is approximately 74%, offering insight into how humid the weather typically is during this month.

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

July UV Index in Brookhaven

In Brookhaven in July, 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 July

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

Data source: Brookhaven July 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 July 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 July’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 July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (36°F)	64 mm (2.5 inches)	84%	moderate
February Weather	4°C (39°F)	103 mm (4.1 inches)	83%	moderate
March Weather	7°C (45°F)	106 mm (4.2 inches)	83%	high
April Weather	13°C (55°F)	105 mm (4.1 inches)	81%	very high
May Weather	18°C (65°F)	135 mm (5.3 inches)	78%	very high
June Weather	23°C (74°F)	118 mm (4.7 inches)	79%	very high
July Weather	26°C (79°F)	136 mm (5.4 inches)	74%	very high
August Weather	25°C (77°F)	140 mm (5.5 inches)	72%	very high
September Weather	22°C (71°F)	100 mm (3.9 inches)	75%	very high
October Weather	16°C (61°F)	109 mm (4.3 inches)	81%	high
November Weather	8°C (47°F)	83 mm (3.3 inches)	85%	moderate
December Weather	4°C (40°F)	100 mm (3.9 inches)	84%	moderate