October Weather in Trenton, United States

Last updated: June 24, 2025

In Trenton, United States, the average temperature in October hovers around 8°C (46°F). However, be prepared for a wide range of temperatures, with lows dipping to -16°C (4°F) and highs reaching up to 26°C (79°F). Precipitation amounts to 37 mm (1.5 in) over 6 days, and the average humidity is around 67%, adding a bit of chill to the air.

October Temperature in Trenton

In October in Trenton, the average temperature is 8°C (46°F). Maximums can reach 26°C (79°F), and minimums can drop as low as -16°C (4°F). Be prepared for a wide range of weather conditions when planning your trip!

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 8°C (46°F), with highs reaching up to 26°C (79°F) and lows dropping to around -16°C (4°F).

Data source: Temperature data for Trenton generated using information from the Copernicus Climate Change Service.

October Precipitation in Trenton

In Trenton in October, the precipitation amount is 37 mm (1.5 in) over the course of 6 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 37 mm (1.5 inches) of precipitation spread over approximately 6 days.

Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

October Humidity in Trenton

In Trenton in October, humidity is 67%. With an average temperature of 8°C (46°F), this humidity feels like a damp blanket enveloping you, making it feel colder than it actually is, which can be quite refreshing for exploring but may also require extra layers for comfort while 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 67%, offering insight into how humid the weather typically is during this month.

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.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (24°F)	57 mm (2.2 inches)	91%	moderate
February Weather	-3°C (27°F)	67 mm (2.7 inches)	92%	moderate
March Weather	2°C (36°F)	50 mm (2.0 inches)	84%	high
April Weather	7°C (45°F)	62 mm (2.4 inches)	74%	very high
May Weather	12°C (54°F)	47 mm (1.9 inches)	62%	very high
June Weather	19°C (66°F)	19 mm (0.8 inches)	56%	extreme
July Weather	24°C (75°F)	10 mm (0.4 inches)	44%	extreme
August Weather	22°C (72°F)	14 mm (0.6 inches)	37%	very high
September Weather	17°C (62°F)	30 mm (1.2 inches)	46%	very high
October Weather	8°C (46°F)	37 mm (1.5 inches)	67%	high
November Weather	2°C (36°F)	42 mm (1.7 inches)	84%	moderate
December Weather	-4°C (25°F)	46 mm (1.8 inches)	88%	moderate