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June Weather in Trenton, United States

Last updated: June 24, 2025

In June, the average temperature in Trenton, United States hovers around 27°C (81°F). However, be prepared for fluctuations, as temperatures can dip to a minimum of 14°C (58°F) and soar to a maximum of 37°C (99°F). Expect some rain too, with a precipitation total of 106 mm (4.2 in) spread over about 9 days. With an average humidity level of 78%, the air can feel quite warm and sticky.

June Temperature in Trenton

In June in Trenton, the average temperature is 27°C (81°F), with maximums reaching up to 37°C (99°F) and minimums dropping as low as 14°C (58°F). This makes it an ideal time for travelers looking to enjoy warm weather while also being prepared for 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 27°C (81°F), with highs reaching up to 37°C (99°F) and lows dropping to around 14°C (58°F).
JanFebMarAprMayJunJulAugSepOctNovDec454759637380848378665550
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.

June Precipitation in Trenton

In Trenton in June, the total precipitation amount is 106 mm (4.2 in), spread over the course of 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 106 mm (4.2 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec711051341621761065597941605977
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Trenton

In Trenton in June humidity is 78%. With an average temperature of 27°C (81°F), this humidity feels like a warm, heavy embrace that makes traveling feel both invigorating and exhausting. Moments spent outside can quickly become clammy and uncomfortable, urging travelers to seek shade and hydration as they explore.

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 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%79%78%78%81%78%73%66%65%72%82%87%
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 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 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 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111110864
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.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)71 mm (2.8 inches)80%moderate
February Weather9°C (48°F)105 mm (4.1 inches)79%high
March Weather15°C (59°F)134 mm (5.3 inches)78%very high
April Weather17°C (64°F)162 mm (6.4 inches)78%very high
May Weather23°C (73°F)176 mm (6.9 inches)81%extreme
June Weather27°C (81°F)106 mm (4.2 inches)78%extreme
July Weather29°C (84°F)55 mm (2.2 inches)73%extreme
August Weather28°C (83°F)97 mm (3.8 inches)66%extreme
September Weather25°C (78°F)94 mm (3.7 inches)65%very high
October Weather19°C (66°F)160 mm (6.3 inches)72%very high
November Weather13°C (55°F)59 mm (2.3 inches)82%high
December Weather10°C (50°F)77 mm (3.0 inches)87%moderate

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