October Weather in Dayton, United States

Last updated: June 24, 2025

In Dayton, United States, the average temperature in October hovers around 11°C (51°F). Temperatures can dip as low as -7°C (20°F) and soar to a maximum of 31°C (89°F). Expect 123 mm (4.8 in) of precipitation over 9 days during the month, along with an average humidity of 80%, creating a distinct climate experience.

October Temperature in Dayton

In October in Dayton, the average temperature is 11°C (51°F). Maximum temperatures can reach 31°C (89°F), while minimums can drop as low as -7°C (20°F). Be prepared for a wide range of weather conditions when traveling to Dayton this month.

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 (51°F), with highs reaching up to 31°C (89°F) and lows dropping to around -7°C (20°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 123 mm (4.8 in) over the course of 9 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 123 mm (4.8 inches) of precipitation spread over approximately 9 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 80%. With an average temperature of 11°C (51°F), this humidity feels like a damp blanket wrapping around you, making outdoor activities feel heavier and less enjoyable for traveling.

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 80%, 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 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Dayton, you can refer to this 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 6, 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	-6°C (21°F)	32 mm (1.3 inches)	82%	moderate
February Weather	-6°C (21°F)	42 mm (1.7 inches)	84%	moderate
March Weather	3°C (38°F)	72 mm (2.8 inches)	80%	moderate
April Weather	9°C (48°F)	72 mm (2.8 inches)	81%	very high
May Weather	16°C (62°F)	166 mm (6.5 inches)	74%	very high
June Weather	23°C (74°F)	109 mm (4.3 inches)	80%	extreme
July Weather	24°C (76°F)	89 mm (3.5 inches)	80%	very high
August Weather	23°C (73°F)	95 mm (3.8 inches)	77%	very high
September Weather	20°C (68°F)	127 mm (5.0 inches)	75%	very high
October Weather	11°C (51°F)	123 mm (4.8 inches)	80%	high
November Weather	3°C (37°F)	41 mm (1.6 inches)	87%	moderate
December Weather	-2°C (29°F)	37 mm (1.5 inches)	83%	moderate