July Weather in Trenton, United States

Last updated: June 24, 2025

In July, the average temperature in Trenton, United States hovers around 19°C (67°F), with a comfortable range ranging from a minimum of 11°C (53°F) to a pleasant maximum of 30°C (86°F). Be prepared for some rain, as precipitation can total around 80 mm (3.2 in) across 10 days. With an average humidity of 74%, the air tends to feel quite fresh and inviting!

July Temperature in Trenton

In July in Trenton, the average temperature is 19°C (67°F). The maximum can reach 30°C (86°F), and the minimum can be as low as 11°C (53°F). This makes it a great time for travelers to enjoy mild weather while exploring the area.

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 19°C (67°F), with highs reaching up to 30°C (86°F) and lows dropping to around 11°C (53°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 80 mm (3.2 in) over a span of 10 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 80 mm (3.2 inches) of precipitation spread over approximately 10 days.

Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

July Humidity in Trenton

In Trenton in July, humidity is 74%. With an average temperature of 19°C (67°F), this humidity feels like a warm, enveloping blanket that can make outdoor activities feel stifling, often leading travelers to seek shade and hydrate frequently.

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 74%, 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 is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to 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 8, 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	-4°C (25°F)	98 mm (3.9 inches)	88%	low
February Weather	-3°C (26°F)	90 mm (3.6 inches)	88%	moderate
March Weather	0°C (32°F)	73 mm (2.9 inches)	85%	moderate
April Weather	6°C (43°F)	129 mm (5.1 inches)	81%	high
May Weather	11°C (52°F)	92 mm (3.6 inches)	76%	very high
June Weather	16°C (61°F)	79 mm (3.1 inches)	74%	very high
July Weather	19°C (67°F)	80 mm (3.2 inches)	74%	very high
August Weather	20°C (68°F)	73 mm (2.9 inches)	74%	very high
September Weather	16°C (61°F)	95 mm (3.7 inches)	77%	high
October Weather	11°C (52°F)	107 mm (4.2 inches)	82%	moderate
November Weather	4°C (40°F)	130 mm (5.1 inches)	85%	moderate
December Weather	-1°C (30°F)	138 mm (5.4 inches)	84%	low