July Weather in Trenton, United States

Last updated: June 24, 2025

In July, the average temperature in Trenton, United States reaches a warm 27°C (81°F), with a comfortable minimum of 16°C (61°F) and a sizzling maximum of 36°C (96°F). Expect 125 mm (4.9 in) of precipitation over about 12 days, accompanied by a notable humidity level of 80%. Whether you're soaking in the sun or enjoying the occasional rain, be prepared for weather that’s as dynamic as your adventures!

July Temperature in Trenton

In July in Trenton, the average temperature is 27°C (81°F), with maximums reaching up to 36°C (96°F) and minimums dropping as low as 16°C (61°F). It's a perfect time for travelers to enjoy warm weather while also having the option to experience refreshing 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 27°C (81°F), with highs reaching up to 36°C (96°F) and lows dropping to around 16°C (61°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 is 125 mm (4.9 in) spread over 12 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 125 mm (4.9 inches) of precipitation spread over approximately 12 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 80%. With an average temperature of 27°C (81°F), this humidity feels like a warm, enveloping blanket that clings to your skin, making travel tiring as sweat beads form quickly and the air feels thick and heavy.

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 80%, 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 (41°F)	101 mm (4.0 inches)	86%	moderate
February Weather	7°C (44°F)	171 mm (6.7 inches)	85%	high
March Weather	12°C (54°F)	178 mm (7.0 inches)	84%	high
April Weather	15°C (60°F)	147 mm (5.8 inches)	81%	very high
May Weather	22°C (71°F)	109 mm (4.3 inches)	83%	extreme
June Weather	26°C (78°F)	113 mm (4.5 inches)	83%	extreme
July Weather	27°C (81°F)	125 mm (4.9 inches)	80%	extreme
August Weather	26°C (79°F)	104 mm (4.1 inches)	73%	very high
September Weather	24°C (75°F)	103 mm (4.0 inches)	70%	very high
October Weather	17°C (64°F)	118 mm (4.6 inches)	73%	high
November Weather	9°C (49°F)	95 mm (3.7 inches)	85%	moderate
December Weather	7°C (46°F)	137 mm (5.4 inches)	88%	moderate