July Weather in Trenton, United States

Last updated: June 24, 2025

In July, the average temperature in Trenton, United States is a mild 26°C (79°F), offering a comfortable climate for outdoor activities. Expect temperatures to range from a refreshing 16°C (62°F) to a warm 35°C (95°F). However, be prepared for some rain, as 122 mm (4.8 in) of precipitation is expected over about 17 days. With an average humidity of 78%, it's advisable to stay hydrated and enjoy the vibrant atmosphere!

July Temperature in Trenton

In July in Trenton, the average temperature is 26°C (79°F), with maximums reaching up to 35°C (95°F) and minimums dropping as low as 16°C (62°F). This makes it an ideal time for travelers to enjoy a warm and pleasant climate while exploring the vibrant surroundings.

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 35°C (95°F) and lows dropping to around 16°C (62°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 122 mm (4.8 in) spread over the course of 17 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 122 mm (4.8 inches) of precipitation spread over approximately 17 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 78%. With an average temperature of 26°C (79°F), this humidity feels like a heavy blanket wrapping around you, making travel a bit sluggish as the air hangs thick, leaving you in need of frequent breaks to hydrate and find shade.

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 78%, 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	6°C (43°F)	109 mm (4.3 inches)	87%	moderate
February Weather	9°C (48°F)	191 mm (7.5 inches)	87%	high
March Weather	12°C (54°F)	184 mm (7.2 inches)	85%	very high
April Weather	16°C (60°F)	162 mm (6.4 inches)	82%	very high
May Weather	21°C (70°F)	106 mm (4.2 inches)	83%	extreme
June Weather	24°C (75°F)	144 mm (5.7 inches)	82%	extreme
July Weather	26°C (79°F)	122 mm (4.8 inches)	78%	extreme
August Weather	25°C (77°F)	150 mm (5.9 inches)	67%	extreme
September Weather	23°C (74°F)	121 mm (4.8 inches)	64%	very high
October Weather	18°C (64°F)	142 mm (5.6 inches)	74%	high
November Weather	10°C (50°F)	79 mm (3.1 inches)	87%	high
December Weather	8°C (46°F)	150 mm (5.9 inches)	88%	moderate