June Weather in Trenton, United States

Last updated: June 24, 2025

In June, the average temperature in Trenton, United States hovers around 16°C (61°F). During this month, temperatures can dip to a chilly 6°C (42°F) or soar to a warm 30°C (86°F). Visitors can expect about 79 mm (3.1 in) of precipitation over 9 days, with an average humidity level of 74%.

June Temperature in Trenton

In June in Trenton, the average temperature is 16°C (61°F). Maximums can reach 30°C (86°F), and minimums can be as low as 6°C (42°F). This variety in temperatures makes it ideal for travelers to enjoy both warm days and cooler evenings.

June Weather in Trenton: Daily Temperature Highs, Lows, and Averages

The chart illustrates June 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, June typically has an average temperature of 16°C (61°F), with highs reaching up to 30°C (86°F) and lows dropping to around 6°C (42°F).

Data source: Temperature data for Trenton generated using information from the Copernicus Climate Change Service.

June Precipitation in Trenton

In Trenton in June, the precipitation amount is 79 mm (3.1 in) spread over 9 days.

June Precipitation Trends in Trenton

The chart displays monthly precipitation patterns in Trenton, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Trenton, June typically receives around 79 mm (3.1 inches) of precipitation spread over approximately 9 days.

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

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Millimeters (mm) Inches (in)

June Humidity in Trenton

In Trenton in June humidity is 74%. With an average temperature of 16°C (61°F), this humidity feels like a damp blanket wrapping around you, making traveling quite uncomfortable as the air feels thick and muggy, potentially leading to fatigue and a longing for a cool breeze.

June Average Humidity in Trenton

This chart illustrates the average monthly humidity levels in Trenton, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Trenton is approximately 74%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Trenton

In Trenton in June, 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 June

The chart shows the monthly maximum UV Index (UVI) for Trenton in June, 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 June, the maximum UV index in Trenton typically reaches 10, which falls under the very high exposure category.

Data source: Trenton June 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 June 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 June’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 June’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