nomadseason

October Weather in Dayton, United States

Last updated: June 24, 2025

In October, the average temperature in Dayton, United States hovers around 10°C (49°F). Be prepared for a wide range, as temperatures can dip to a brisk -11°C (13°F) or rise to a warm 28°C (82°F). During this month, expect about 57 mm (2.3 in) of precipitation over 10 days, with an average humidity of 80%, making it a notably moist time of year.

October Temperature in Dayton

In October in Dayton, the average temperature is 10°C (49°F). The maximum can reach 28°C (82°F) and the minimum can be as low as -11°C (13°F). Be prepared for a wide range of temperatures when traveling to Dayton this October.

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 10°C (49°F), with highs reaching up to 28°C (82°F) and lows dropping to around -11°C (13°F).
JanFebMarAprMayJunJulAugSepOctNovDec353441485765747262494134
Data source: Temperature data for Dayton generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
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 57 mm (2.3 in) over the course 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 57 mm (2.3 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec671057158543041526577478
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

October Humidity in Dayton

In Dayton in October, humidity is 80%. With an average temperature of 10°C (49°F), this humidity feels like a damp blanket enveloping you, making travel uncomfortable and leaving you clammy as you navigate the sights.

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.
JanFebMarAprMayJunJulAugSepOctNovDec85%86%86%82%77%79%77%62%60%80%87%86%
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 reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, 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 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2467991097532
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 (35°F)67 mm (2.7 inches)85%low
February Weather1°C (34°F)105 mm (4.1 inches)86%moderate
March Weather5°C (42°F)71 mm (2.8 inches)86%high
April Weather9°C (48°F)58 mm (2.3 inches)82%high
May Weather14°C (57°F)53 mm (2.1 inches)77%very high
June Weather18°C (65°F)30 mm (1.2 inches)79%very high
July Weather23°C (74°F)4 mm (0.1 inches)77%very high
August Weather22°C (73°F)15 mm (0.6 inches)62%very high
September Weather17°C (63°F)26 mm (1.0 inches)60%high
October Weather10°C (49°F)57 mm (2.3 inches)80%moderate
November Weather5°C (41°F)74 mm (2.9 inches)87%moderate
December Weather1°C (34°F)78 mm (3.1 inches)86%low

Compare Dayton's Climate with Cities Worldwide