October Weather in Trenton, United States

Last updated: June 24, 2025

In October, the average temperature in Trenton, United States hovers around 15°C (59°F), with a minimum dip to -1°C (31°F) and an occasional peak of 34°C (93°F). Expect about 100 mm (3.9 in) of precipitation spread over 11 days, contributing to an average humidity level of 78%. Embrace the diverse weather conditions this month brings!

October Temperature in Trenton

In October in Trenton, the average temperature is 15°C (59°F), with maximums reaching up to 34°C (93°F) and minimums dropping as low as -1°C (31°F). This suggests that travelers should be prepared for a wide range of weather conditions during their visit.

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 15°C (59°F), with highs reaching up to 34°C (93°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec323544536573777470584337
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 100 mm (3.9 in) over the course 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 100 mm (3.9 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec81108130109130137117948110098103
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 78%. With an average temperature of 15°C (59°F), this humidity feels like a warm, enveloping blanket that clings to your skin, making outdoor activities a bit more tiring and requiring frequent breaks for hydration as you explore the area.

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 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%87%85%81%82%81%73%73%78%89%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 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.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098643
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 Weather0°C (32°F)81 mm (3.2 inches)88%moderate
February Weather2°C (36°F)108 mm (4.2 inches)88%moderate
March Weather7°C (44°F)130 mm (5.1 inches)87%high
April Weather12°C (53°F)109 mm (4.3 inches)85%very high
May Weather18°C (65°F)130 mm (5.1 inches)81%very high
June Weather23°C (73°F)137 mm (5.4 inches)82%very high
July Weather25°C (77°F)117 mm (4.6 inches)81%very high
August Weather24°C (75°F)94 mm (3.7 inches)73%very high
September Weather21°C (70°F)81 mm (3.2 inches)73%very high
October Weather15°C (59°F)100 mm (3.9 inches)78%high
November Weather6°C (43°F)98 mm (3.9 inches)89%moderate
December Weather3°C (38°F)103 mm (4.0 inches)87%moderate

Compare Trenton's Climate with Cities Worldwide