July Weather in Glenn Dale, United States

Last updated: June 24, 2025

In Glenn Dale, United States, the average temperature in July is a warm 27°C (80°F). Visitors can expect a minimum temperature of 17°C (62°F), while maximum daytime highs can soar to 37°C (100°F). During this month, precipitation averages 191 mm (7.5 in) over 14 days, contributing to an average humidity of 74%. Be prepared for a tropical experience!

July Temperature in Glenn Dale

In July in Glenn Dale, the average temperature is 27°C (80°F). Maximums can reach 37°C (100°F) and minimums can be as low as 17°C (62°F). This warm and pleasant climate makes it an ideal destination for travelers looking to enjoy outdoor activities and explore the local attractions.

July Weather in Glenn Dale: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Glenn Dale, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Glenn Dale, July typically has an average temperature of 27°C (80°F), with highs reaching up to 37°C (100°F) and lows dropping to around 17°C (62°F).

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

July Precipitation in Glenn Dale

In Glenn Dale in July, the total precipitation amount is 191 mm (7.5 in) which occurs over a span of 14 days.

July Precipitation Trends in Glenn Dale

The chart displays monthly precipitation patterns in Glenn Dale, 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 Glenn Dale, July typically receives around 191 mm (7.5 inches) of precipitation spread over approximately 14 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 Glenn Dale

In Glenn Dale in July, humidity is 74%. With an average temperature of 27°C (80°F), this humidity feels like a warm blanket wrapping around you, making outdoor activities sticky and uncomfortable for traveling.

July Average Humidity in Glenn Dale

This chart illustrates the average monthly humidity levels in Glenn Dale, 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 Glenn Dale 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 Glenn Dale

In Glenn Dale 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 Glenn Dale.

Maximum UV Index Levels in Glenn Dale for July

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

Data source: Glenn Dale 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 Glenn Dale Compares to Other Months

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

This table compares monthly weather conditions in Glenn Dale, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	3°C (37°F)	61 mm (2.4 inches)	84%	moderate
February Weather	5°C (41°F)	99 mm (3.9 inches)	83%	moderate
March Weather	8°C (47°F)	86 mm (3.4 inches)	83%	high
April Weather	14°C (57°F)	101 mm (4.0 inches)	81%	very high
May Weather	19°C (66°F)	134 mm (5.3 inches)	78%	very high
June Weather	24°C (75°F)	118 mm (4.7 inches)	79%	very high
July Weather	27°C (80°F)	191 mm (7.5 inches)	74%	very high
August Weather	25°C (78°F)	168 mm (6.6 inches)	72%	very high
September Weather	22°C (72°F)	107 mm (4.2 inches)	75%	very high
October Weather	17°C (63°F)	115 mm (4.5 inches)	81%	high
November Weather	9°C (48°F)	79 mm (3.1 inches)	85%	moderate
December Weather	5°C (41°F)	92 mm (3.6 inches)	84%	moderate