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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 18°C (64°F), making it a pleasant time to visit. However, be prepared for a temperature range that can drop to a chilly -1°C (30°F) or soar to a warm 36°C (97°F). During this month, expect approximately 142 mm (5.6 in) of precipitation spread over 10 days, leading to an average humidity of 74%. Plan accordingly and enjoy the diverse weather experiences that await you!

October Temperature in Trenton

In October, in Trenton, the average temperature is 18°C (64°F). Maximum temperatures can reach 36°C (97°F), while minimums can drop as low as -1°C (30°F). Visitors should be prepared for a wide range of temperatures, making it essential to pack accordingly for both warm and cool conditions.

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 18°C (64°F), with highs reaching up to 36°C (97°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec434854607075787773645046
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 is 142 mm (5.6 in) over the course 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 142 mm (5.6 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec10919118416210614412215012114279150
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 74%. With an average temperature of 18°C (64°F), this humidity feels like a warm embrace, making it ideal for leisurely strolls but potentially uncomfortable for extended outdoor activities.

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 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%85%82%83%82%78%67%64%75%87%89%
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.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111119764
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 Weather6°C (43°F)109 mm (4.3 inches)87%moderate
February Weather9°C (48°F)191 mm (7.5 inches)87%high
March Weather12°C (54°F)184 mm (7.2 inches)85%very high
April Weather16°C (60°F)162 mm (6.4 inches)82%very high
May Weather21°C (70°F)106 mm (4.2 inches)83%extreme
June Weather24°C (75°F)144 mm (5.7 inches)82%extreme
July Weather26°C (79°F)122 mm (4.8 inches)78%extreme
August Weather25°C (77°F)150 mm (5.9 inches)67%extreme
September Weather23°C (74°F)121 mm (4.8 inches)64%very high
October Weather18°C (64°F)142 mm (5.6 inches)74%high
November Weather10°C (50°F)79 mm (3.1 inches)87%high
December Weather8°C (46°F)150 mm (5.9 inches)88%moderate

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