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October Weather in Trenton, United States

Last updated: June 24, 2025

In October, the average temperature in Trenton, United States is a pleasant 19°C (66°F). However, temperatures can vary significantly, with minimums dropping to 0°C (33°F) and soaring up to 34°C (93°F). The region experiences about 160 mm (6.3 in) of precipitation spread over 10 days, contributing to an average humidity of 72%. Stay prepared for a mix of weather conditions!

October Temperature in Trenton

In October in Trenton, the average temperature is 19°C (66°F). Maximums can reach 34°C (93°F), and minimums can be as low as 0°C (33°F). This variation in temperatures makes Trenton an ideal destination for travelers seeking both warmth and the possibility of cooler evenings, so be sure to pack 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 19°C (66°F), with highs reaching up to 34°C (93°F) and lows dropping to around 0°C (33°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.

October Precipitation in Trenton

In Trenton in October, the precipitation amount is 160 mm (6.3 in) over a period of 10 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 160 mm (6.3 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec711051341621761065597941605977
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 19°C (66°F), this humidity feels like a warm embrace that can make even the lightest activities feel strenuous for traveling.

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%79%78%78%81%78%73%66%65%72%82%87%
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 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to 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 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111110864
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 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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