July Weather in Trenton, United States

Last updated: June 24, 2025

In July, the average temperature in Trenton, United States hovers around 25°C (77°F). Expect a minimum of 14°C (58°F) and a maximum reaching 34°C (94°F). During this month, the area experiences a precipitation of 117 mm (4.6 in) over approximately 11 days, accompanied by an average humidity level of 81%.

July Temperature in Trenton

In July in Trenton, the average temperature is a pleasant 25°C (77°F). Maximums can reach a hot 34°C (94°F), while minimums can dip to a cool 14°C (58°F). This makes it an ideal time for travelers seeking a comfortable climate for outdoor activities and exploration.

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 25°C (77°F), with highs reaching up to 34°C (94°F) and lows dropping to around 14°C (58°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 total precipitation amount reaches 117 mm (4.6 in) over the course of 11 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 117 mm (4.6 inches) of precipitation spread over approximately 11 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 25°C (77°F), this humidity feels like walking through a warm, thick blanket, making traveling quite challenging as you may feel sticky and sluggish, requiring frequent breaks to stay refreshed and 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 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 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 10, which falls under the very high 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	0°C (32°F)	81 mm (3.2 inches)	88%	moderate
February Weather	2°C (36°F)	108 mm (4.2 inches)	88%	moderate
March Weather	7°C (44°F)	130 mm (5.1 inches)	87%	high
April Weather	12°C (53°F)	109 mm (4.3 inches)	85%	very high
May Weather	18°C (65°F)	130 mm (5.1 inches)	81%	very high
June Weather	23°C (73°F)	137 mm (5.4 inches)	82%	very high
July Weather	25°C (77°F)	117 mm (4.6 inches)	81%	very high
August Weather	24°C (75°F)	94 mm (3.7 inches)	73%	very high
September Weather	21°C (70°F)	81 mm (3.2 inches)	73%	very high
October Weather	15°C (59°F)	100 mm (3.9 inches)	78%	high
November Weather	6°C (43°F)	98 mm (3.9 inches)	89%	moderate
December Weather	3°C (38°F)	103 mm (4.0 inches)	87%	moderate