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July Weather in Trenton, United States

Last updated: June 24, 2025

In July, the average temperature in Trenton, United States hovers around 27°C (80°F), with variations ranging from a minimum of 16°C (61°F) to a scorching maximum of 39°C (102°F). Rainfall can be expected, totaling 92 mm (3.6 in) over approximately 10 days, while the humidity remains quite high at an average of 82%. Enjoy the warmth, but be prepared for the occasional shower!

July Temperature in Trenton

In July in Trenton, the average temperature is 27°C (80°F), with maximums reaching 39°C (102°F) and minimums dropping as low as 16°C (61°F). Travelers should be prepared for warm days and cooler evenings, making it ideal for both outdoor activities and comfortable nights.

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 (80°F), with highs reaching up to 39°C (102°F) and lows dropping to around 16°C (61°F).
JanFebMarAprMayJunJulAugSepOctNovDec333648566877807773604540
Data source: Temperature data for Trenton generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

July Precipitation in Trenton

In Trenton in July, the total precipitation amount is 92 mm (3.6 in), which falls over the course 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 92 mm (3.6 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec828714114417010092122591107971
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Trenton

In Trenton in July, humidity is 82%. With an average temperature of 27°C (80°F), this humidity feels like a warm blanket enveloping you, making outdoor activities feel sticky and heavy, often leaving travelers longing for shade and a refreshing drink.

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 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%84%83%80%83%82%83%79%79%88%87%
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.
JanFebMarAprMayJunJulAugSepOctNovDec3579111110109753
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.
 TemperaturePrecipitationHumidityUV
January Weather1°C (33°F)82 mm (3.2 inches)84%moderate
February Weather2°C (37°F)87 mm (3.4 inches)82%moderate
March Weather9°C (48°F)141 mm (5.6 inches)84%high
April Weather13°C (56°F)144 mm (5.7 inches)83%very high
May Weather20°C (68°F)170 mm (6.7 inches)80%extreme
June Weather25°C (78°F)100 mm (3.9 inches)83%extreme
July Weather27°C (80°F)92 mm (3.6 inches)82%very high
August Weather25°C (77°F)122 mm (4.8 inches)82%very high
September Weather23°C (73°F)59 mm (2.3 inches)79%very high
October Weather15°C (60°F)110 mm (4.3 inches)79%high
November Weather7°C (45°F)78 mm (3.1 inches)88%moderate
December Weather4°C (40°F)71 mm (2.8 inches)87%moderate

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