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October Weather in Dayton, United States

Last updated: June 24, 2025

In October, the average temperature in Dayton, United States hovers around 15°C (60°F). However, brace yourself for a range that can dip to a chilly 0°C (33°F) or soar to a sweltering 34°C (94°F). Expect precipitation of about 98 mm (3.9 in) over 12 days, accompanied by a high humidity level of 78%. Prepare accordingly for a dynamic climate!

October Temperature in Dayton

In October, in Dayton, the average temperature is 15°C (60°F). Maximum temperatures can reach 34°C (94°F), while minimums can drop to as low as 0°C (33°F). Be prepared for a range of weather conditions if you're planning to travel during this time.

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 15°C (60°F), with highs reaching up to 34°C (94°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec343746546673777570594439
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 precipitation amount is 98 mm (3.9 in) over the course of 12 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 98 mm (3.9 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec8111213612913314811693919896114
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 78%. With an average temperature of 15°C (60°F), this humidity feels like a warm, damp embrace that can make outdoor activities a bit uncomfortable, highlighting the importance of staying hydrated and taking breaks in the shade while exploring.

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 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%87%85%81%82%81%73%73%78%89%87%
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.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098643
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 Weather1°C (34°F)81 mm (3.2 inches)88%moderate
February Weather3°C (38°F)112 mm (4.4 inches)88%moderate
March Weather8°C (46°F)136 mm (5.3 inches)87%high
April Weather12°C (55°F)129 mm (5.1 inches)85%very high
May Weather19°C (66°F)132 mm (5.2 inches)81%very high
June Weather23°C (74°F)148 mm (5.8 inches)82%very high
July Weather25°C (78°F)116 mm (4.6 inches)81%very high
August Weather24°C (75°F)93 mm (3.7 inches)73%very high
September Weather21°C (71°F)91 mm (3.6 inches)73%very high
October Weather15°C (60°F)98 mm (3.9 inches)78%high
November Weather7°C (44°F)96 mm (3.8 inches)89%moderate
December Weather4°C (39°F)114 mm (4.5 inches)87%moderate

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