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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 17°C (64°F). However, be prepared for a range, as temperatures can dip to a chilly 1°C (33°F) or soar to a sweltering 35°C (96°F). Expect about 118 mm (4.6 in) of precipitation spread over 9 days, contributing to an average humidity of 73%. Make sure to pack accordingly for this variable weather!

October Temperature in Trenton

In October in Trenton, the average temperature is 17°C (64°F). Maximums can reach 35°C (96°F), and minimums can be as low as 1°C (33°F). Travelers should be prepared for a wide range of temperatures and pack clothing accordingly.

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 17°C (64°F), with highs reaching up to 35°C (96°F) and lows dropping to around 1°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec404454607178817975634945
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 precipitation amount is 118 mm (4.6 in) over the course of 9 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 118 mm (4.6 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec10117117814810911312510410311895137
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 73%. With an average temperature of 17°C (64°F), this humidity feels like a warm embrace, making it quite muggy for traveling, where the air can feel thick and sticky, causing a sense of discomfort as you explore the local sights.

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 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%84%81%83%83%80%74%70%73%85%88%
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 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the 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 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710111111109753
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 Weather5°C (41°F)101 mm (4.0 inches)86%moderate
February Weather7°C (44°F)171 mm (6.7 inches)85%high
March Weather12°C (54°F)178 mm (7.0 inches)84%high
April Weather15°C (60°F)147 mm (5.8 inches)81%very high
May Weather22°C (71°F)109 mm (4.3 inches)83%extreme
June Weather26°C (78°F)113 mm (4.5 inches)83%extreme
July Weather27°C (81°F)125 mm (4.9 inches)80%extreme
August Weather26°C (79°F)104 mm (4.1 inches)73%very high
September Weather24°C (75°F)103 mm (4.0 inches)70%very high
October Weather17°C (64°F)118 mm (4.6 inches)73%high
November Weather9°C (49°F)95 mm (3.7 inches)85%moderate
December Weather7°C (46°F)137 mm (5.4 inches)88%moderate

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