October Weather in Chester, United States

Last updated: June 24, 2025

In October, the average temperature in Chester, United States hovers around 10°C (51°F). Expect chilly nights with a minimum dropping to -6°C (22°F), while the days can warm up to a maximum of 26°C (79°F). Be prepared for some precipitation, as the region sees about 142 mm (5.6 in) of rain over approximately 13 days. Additionally, enjoy the lush atmosphere with an average humidity of 81%.

October Temperature in Chester

In October in Chester, the average temperature is 10°C (51°F). Maximums can reach 26°C (79°F), while minimums can dip as low as -6°C (22°F). Visitors should be prepared for a wide range of temperatures when traveling to Chester during this time.

October Weather in Chester: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Chester, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chester, October typically has an average temperature of 10°C (51°F), with highs reaching up to 26°C (79°F) and lows dropping to around -6°C (22°F).

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

October Precipitation in Chester

In Chester in October, the precipitation amount is 142 mm (5.6 in) spread over 13 days.

October Precipitation Trends in Chester

The chart displays monthly precipitation patterns in Chester, 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 Chester, October typically receives around 142 mm (5.6 inches) of precipitation spread over approximately 13 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 Chester

In Chester in October humidity is 81%. With an average temperature of 10°C (51°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and forcing you to seek shelter more often than not.

October Average Humidity in Chester

This chart illustrates the average monthly humidity levels in Chester, 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 Chester is approximately 81%, 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 Chester

In Chester 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 Chester, you can refer to this Hourly UV Index in Chester.

Maximum UV Index Levels in Chester for October

The chart shows the monthly maximum UV Index (UVI) for Chester 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 Chester typically reaches 6, which falls under the high exposure category.

Data source: Chester 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 Chester Compares to Other Months

Weather in Chester varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Chester, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Chester, 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 (23°F)	72 mm (2.9 inches)	89%	moderate
February Weather	-4°C (26°F)	85 mm (3.3 inches)	88%	moderate
March Weather	0°C (32°F)	73 mm (2.9 inches)	86%	high
April Weather	7°C (44°F)	122 mm (4.8 inches)	84%	very high
May Weather	13°C (56°F)	85 mm (3.3 inches)	76%	very high
June Weather	19°C (66°F)	90 mm (3.5 inches)	72%	very high
July Weather	22°C (71°F)	126 mm (5.0 inches)	66%	very high
August Weather	20°C (69°F)	92 mm (3.6 inches)	64%	very high
September Weather	17°C (62°F)	79 mm (3.1 inches)	72%	high
October Weather	10°C (51°F)	142 mm (5.6 inches)	81%	high
November Weather	2°C (36°F)	101 mm (4.0 inches)	87%	moderate
December Weather	-3°C (27°F)	104 mm (4.1 inches)	84%	low