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October Weather in Trenton, United States

Last updated: June 24, 2025

In Trenton, United States, the average temperature in October hovers around 13°C (56°F). Weather can be quite variable, with minimums dipping to -4°C (25°F) and maximums reaching up to 32°C (89°F). Expect an average precipitation of 137 mm (5.4 in) spread over approximately 11 days, with humidity levels around 72%. Be prepared for a blend of mild days and breezy evenings!

October Temperature in Trenton

In October in Trenton, the average temperature is 13°C (56°F), with maximums potentially reaching 32°C (89°F) and minimums dropping as low as -4°C (25°F). Travelers should be prepared for a wide range of temperatures, making layered clothing essential for comfort.

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

The chart illustrates October 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, October typically has an average temperature of 13°C (56°F), with highs reaching up to 32°C (89°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec283044526576797570554235
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.

October Precipitation in Trenton

In Trenton in October, the total precipitation amount reaches 137 mm (5.4 in) over a span of 11 days.

October Precipitation Trends in Trenton

The chart displays monthly precipitation patterns in Trenton, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Trenton, October typically receives around 137 mm (5.4 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec564610485181142110103961375334
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Trenton

In Trenton in October, humidity is 72%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket enveloping you, making outdoor activities somewhat uncomfortable and reminding travelers to stay hydrated and seek shade whenever possible.

October Average Humidity in Trenton

This chart illustrates the average monthly humidity levels in Trenton, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Trenton is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%78%75%77%82%83%81%78%72%72%84%86%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Trenton

In Trenton in October, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Trenton, you can refer to this Hourly UV Index in Trenton.

Maximum UV Index Levels in Trenton for October

The chart shows the monthly maximum UV Index (UVI) for Trenton in October, 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 October, the maximum UV index in Trenton typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101111109643
Data source: Trenton October 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 October 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 October’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 October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)56 mm (2.2 inches)80%moderate
February Weather-1°C (30°F)46 mm (1.8 inches)78%moderate
March Weather7°C (44°F)104 mm (4.1 inches)75%high
April Weather11°C (53°F)85 mm (3.4 inches)77%very high
May Weather18°C (65°F)181 mm (7.1 inches)82%very high
June Weather24°C (76°F)142 mm (5.6 inches)83%extreme
July Weather26°C (79°F)110 mm (4.3 inches)81%extreme
August Weather24°C (76°F)103 mm (4.1 inches)78%very high
September Weather21°C (71°F)96 mm (3.8 inches)72%very high
October Weather13°C (56°F)137 mm (5.4 inches)72%high
November Weather5°C (42°F)53 mm (2.1 inches)84%moderate
December Weather2°C (36°F)34 mm (1.3 inches)86%moderate

Compare Trenton's Climate with Cities Worldwide