July Weather in Trenton, United States

Last updated: June 24, 2025

In July, the average temperature in Trenton, United States hovers around 24°C (75°F), with a variability that sees lows of 7°C (45°F) and highs reaching a warm 35°C (96°F). Expect modest rainfall with an average precipitation of 10 mm (0.4 in) over just 2 days. The atmosphere remains pleasantly dry, featuring an average humidity of 44%.

July Temperature in Trenton

In July in Trenton, the average temperature is 24°C (75°F), with maximums reaching 35°C (96°F) and minimums dipping as low as 7°C (45°F). This variation in temperature makes Trenton an ideal destination for travelers seeking both warmth and cooler evenings.

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 24°C (75°F), with highs reaching up to 35°C (96°F) and lows dropping to around 7°C (45°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 10 mm (0.4 in) over a period of 2 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 10 mm (0.4 inches) of precipitation spread over approximately 2 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 44%. With average temperature 24°C (75°F), this humidity feels like a refreshing embrace, making it comfortable for traveling as you explore the vibrant streets and soak in the local culture.

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 44%, 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	-5°C (24°F)	57 mm (2.2 inches)	91%	moderate
February Weather	-3°C (27°F)	67 mm (2.7 inches)	92%	moderate
March Weather	2°C (36°F)	50 mm (2.0 inches)	84%	high
April Weather	7°C (45°F)	62 mm (2.4 inches)	74%	very high
May Weather	12°C (54°F)	47 mm (1.9 inches)	62%	very high
June Weather	19°C (66°F)	19 mm (0.8 inches)	56%	extreme
July Weather	24°C (75°F)	10 mm (0.4 inches)	44%	extreme
August Weather	22°C (72°F)	14 mm (0.6 inches)	37%	very high
September Weather	17°C (62°F)	30 mm (1.2 inches)	46%	very high
October Weather	8°C (46°F)	37 mm (1.5 inches)	67%	high
November Weather	2°C (36°F)	42 mm (1.7 inches)	84%	moderate
December Weather	-4°C (25°F)	46 mm (1.8 inches)	88%	moderate