October Weather in Dayton, United States

Last updated: June 24, 2025

In Dayton, United States, the average temperature in October hovers around 16°C (61°F). Expect a minimum temperature of 1°C (34°F) and a maximum that can reach 35°C (96°F). During this time, you can anticipate around 132 mm (5.2 in) of precipitation spread over 10 days, with an average humidity of 74%. Stay prepared for a mix of conditions!

October Temperature in Dayton

In October in Dayton, the average temperature is 16°C (61°F). Maximums can reach up to 35°C (96°F), while minimums can drop as low as 1°C (34°F). This variation in temperatures makes Dayton an exciting destination for travelers seeking both warm days and cool nights.

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 16°C (61°F), with highs reaching up to 35°C (96°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec353843546373787670614639
Data source: Temperature data for Dayton 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 Dayton

In Dayton in October, the total precipitation amount is 132 mm (5.2 in) over a span of 10 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 132 mm (5.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec63109107107127971381318813283102
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Dayton

In Dayton in October humidity is 74%. With an average temperature of 16°C (61°F), this humidity feels like a damp blanket wrapping around you, making traveling quite uncomfortable as the air feels thick and muggy, potentially leading to fatigue and a longing for a cool breeze.

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 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%81%78%70%69%62%65%68%74%82%80%
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.
JanFebMarAprMayJunJulAugSepOctNovDec356810101098642
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.
 TemperaturePrecipitationHumidityUV
January Weather2°C (35°F)63 mm (2.5 inches)84%moderate
February Weather3°C (39°F)109 mm (4.3 inches)82%moderate
March Weather6°C (44°F)107 mm (4.2 inches)81%high
April Weather12°C (54°F)107 mm (4.2 inches)78%very high
May Weather17°C (63°F)127 mm (5.0 inches)69%very high
June Weather23°C (73°F)97 mm (3.8 inches)69%very high
July Weather26°C (79°F)138 mm (5.4 inches)62%very high
August Weather25°C (76°F)131 mm (5.2 inches)65%very high
September Weather21°C (71°F)88 mm (3.5 inches)68%very high
October Weather16°C (61°F)132 mm (5.2 inches)74%high
November Weather8°C (47°F)83 mm (3.3 inches)82%moderate
December Weather4°C (39°F)102 mm (4.0 inches)80%low

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