July Weather in Trenton, United States

Last updated: June 24, 2025

In July, the average temperature in Trenton, United States hovers around 26°C (79°F), perfect for enjoying the outdoors. Temperatures can dip as low as 15°C (59°F) or soar up to 37°C (99°F), offering a wide range of experiences. Expect about 110 mm (4.3 in) of precipitation spread over 9 days, contributing to the region's lush landscape. With an average humidity of 81%, the air feels pleasantly warm and inviting.

July Temperature in Trenton

In July in Trenton, the average temperature is 26°C (79°F), with maximums reaching 37°C (99°F) and minimums dropping to as low as 15°C (59°F). This pleasant weather makes Trenton an ideal destination for travelers looking to enjoy warm days and cooler nights.

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

The chart illustrates July temperature patterns in Trenton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Trenton, July typically has an average temperature of 26°C (79°F), with highs reaching up to 37°C (99°F) and lows dropping to around 15°C (59°F).

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

July Precipitation in Trenton

In Trenton in July, the precipitation amount is 110 mm (4.3 in) over the course of 9 days.

July Precipitation Trends in Trenton

The chart displays monthly precipitation patterns in Trenton, 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 Trenton, July typically receives around 110 mm (4.3 inches) of precipitation spread over approximately 9 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 Trenton

In Trenton in July, humidity is 81%. With an average temperature of 26°C (79°F), this humidity feels like a warm, heavy blanket wrapping around you, making outdoor adventures stickier and more draining, yet still vibrant with life—perfect for exploring local culture, but you'll want to take frequent breaks and stay hydrated.

July Average Humidity in Trenton

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

In Trenton in July, 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 Trenton.

Maximum UV Index Levels in Trenton for July

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

Data source: Trenton 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 Trenton Compares to Other Months

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

This table compares monthly weather conditions in Trenton, 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 (28°F)	56 mm (2.2 inches)	80%	moderate
February Weather	-1°C (30°F)	46 mm (1.8 inches)	78%	moderate
March Weather	7°C (44°F)	104 mm (4.1 inches)	75%	high
April Weather	11°C (53°F)	85 mm (3.4 inches)	77%	very high
May Weather	18°C (65°F)	181 mm (7.1 inches)	82%	very high
June Weather	24°C (76°F)	142 mm (5.6 inches)	83%	extreme
July Weather	26°C (79°F)	110 mm (4.3 inches)	81%	extreme
August Weather	24°C (76°F)	103 mm (4.1 inches)	78%	very high
September Weather	21°C (71°F)	96 mm (3.8 inches)	72%	very high
October Weather	13°C (56°F)	137 mm (5.4 inches)	72%	high
November Weather	5°C (42°F)	53 mm (2.1 inches)	84%	moderate
December Weather	2°C (36°F)	34 mm (1.3 inches)	86%	moderate