July Weather in Trenton, United States

Last updated: June 24, 2025

In Trenton, United States, the average temperature in July hovers around 27°C (81°F), with a minimum of 21°C (71°F) and a sizzling maximum of 37°C (99°F). Expect 186 mm (7.3 in) of precipitation spread over 25 days, contributing to an average humidity of 79%. Stay prepared for a mix of warmth and occasional showers!

July Temperature in Trenton

In July in Trenton, the average temperature is 27°C (81°F), with maximums reaching 37°C (99°F) and minimums dipping to as low as 21°C (71°F). This warm climate makes Trenton an attractive destination for travelers seeking sunny weather and outdoor activities.

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 27°C (81°F), with highs reaching up to 37°C (99°F) and lows dropping to around 21°C (71°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 186 mm (7.3 in) over the course of 25 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 186 mm (7.3 inches) of precipitation spread over approximately 25 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 79%. With an average temperature of 27°C (81°F), this humidity feels like a warm and sticky embrace, making travel both challenging and invigorating as the air clings to your skin, urging you to seek shade or a refreshing drink.

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 79%, 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	14°C (57°F)	55 mm (2.2 inches)	83%	moderate
February Weather	17°C (63°F)	67 mm (2.6 inches)	82%	very high
March Weather	18°C (65°F)	35 mm (1.4 inches)	78%	very high
April Weather	21°C (70°F)	78 mm (3.1 inches)	77%	extreme
May Weather	25°C (77°F)	98 mm (3.9 inches)	75%	extreme
June Weather	27°C (80°F)	170 mm (6.7 inches)	76%	extreme
July Weather	27°C (81°F)	186 mm (7.3 inches)	79%	extreme
August Weather	27°C (82°F)	178 mm (7.0 inches)	78%	extreme
September Weather	27°C (80°F)	126 mm (5.0 inches)	83%	very high
October Weather	24°C (76°F)	72 mm (2.8 inches)	81%	very high
November Weather	18°C (64°F)	57 mm (2.2 inches)	83%	high
December Weather	15°C (60°F)	102 mm (4.0 inches)	86%	moderate