October Weather in Dayton, United States

Last updated: June 24, 2025

In October, the average temperature in Dayton, United States hovers around 11°C (53°F). Temperatures can fluctuate significantly, with minimums dropping to -8°C (18°F) and maximums soaring up to 31°C (88°F). Expect a modest precipitation of 29 mm (1.1 in) over just 2 days, while the average humidity remains at 60%.

October Temperature in Dayton

In October in Dayton, the average temperature is 11°C (53°F), with maximums reaching 31°C (88°F) and minimums dipping as low as -8°C (18°F). Travelers should be prepared for a wide range of temperatures, ensuring to pack layers for comfort during their stay.

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

The chart illustrates October temperature patterns in Dayton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dayton, October typically has an average temperature of 11°C (53°F), with highs reaching up to 31°C (88°F) and lows dropping to around -8°C (18°F).

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

October Precipitation in Dayton

In Dayton in October, the precipitation amount is 29 mm (1.1 in) over the course of 2 days.

October Precipitation Trends in Dayton

The chart displays monthly precipitation patterns in Dayton, 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 Dayton, October typically receives around 29 mm (1.1 inches) of precipitation spread over approximately 2 days.

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

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Millimeters (mm) Inches (in)

October Humidity in Dayton

In Dayton in October, humidity is 60%. With an average temperature of 11°C (53°F), this humidity feels like a cool, damp embrace that can make outdoor activities a bit chilly, requiring layers to stay comfortable while exploring the area.

October Average Humidity in Dayton

This chart illustrates the average monthly humidity levels in Dayton, 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 Dayton is approximately 60%, 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 Dayton

In Dayton 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 Dayton.

Maximum UV Index Levels in Dayton for October

The chart shows the monthly maximum UV Index (UVI) for Dayton 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 Dayton typically reaches 7, which falls under the high exposure category.

Data source: Dayton 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 Dayton Compares to Other Months

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

This table compares monthly weather conditions in Dayton, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	1°C (34°F)	73 mm (2.9 inches)	85%	moderate
February Weather	2°C (36°F)	70 mm (2.8 inches)	87%	high
March Weather	5°C (41°F)	52 mm (2.1 inches)	84%	very high
April Weather	10°C (50°F)	25 mm (1.0 inches)	78%	very high
May Weather	14°C (58°F)	26 mm (1.0 inches)	64%	extreme
June Weather	21°C (69°F)	6 mm (0.2 inches)	56%	extreme
July Weather	25°C (78°F)	8 mm (0.3 inches)	44%	extreme
August Weather	24°C (76°F)	9 mm (0.3 inches)	34%	extreme
September Weather	19°C (67°F)	6 mm (0.2 inches)	41%	very high
October Weather	11°C (53°F)	29 mm (1.1 inches)	60%	high
November Weather	6°C (43°F)	30 mm (1.2 inches)	81%	moderate
December Weather	1°C (34°F)	49 mm (1.9 inches)	82%	moderate