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June Weather in Dayton, United States

Last updated: June 24, 2025

In June, the average temperature in Dayton, United States hovers around 20°C (68°F). Expect a minimum dip to 3°C (38°F), while sunny days can soar to a maximum of 33°C (91°F). Be prepared for about 139 mm (5.5 in) of precipitation over 15 days, contributing to an average humidity of 79%. 🌧️

June Temperature in Dayton

In June in Dayton, the average temperature is 20°C (68°F). Maximums can reach 33°C (91°F), while minimums can drop to 3°C (38°F). It's a great time to travel to Dayton, as you'll experience mild days with some potential for warmer afternoons and cooler evenings.

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

The chart illustrates June 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, June typically has an average temperature of 20°C (68°F), with highs reaching up to 33°C (91°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec283239496068737165554034
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.

June Precipitation in Dayton

In Dayton in June, the precipitation amount is 139 mm (5.5 in), occurring over 15 days.

June Precipitation Trends in Dayton

The chart displays monthly precipitation patterns in Dayton, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Dayton, June typically receives around 139 mm (5.5 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec100123106135156139137105125128100106
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Dayton

In Dayton in June humidity is 79%. With an average temperature of 20°C (68°F), this humidity feels like a warm, enveloping blanket that clings to the skin, making outdoor activities feel more strenuous and prompting the need for frequent breaks and hydration while traveling.

June Average Humidity in Dayton

This chart illustrates the average monthly humidity levels in Dayton, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Dayton is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%90%89%88%80%79%74%64%67%81%89%88%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Dayton

In Dayton in June, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Dayton.

Maximum UV Index Levels in Dayton for June

The chart shows the monthly maximum UV Index (UVI) for Dayton in June, 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 June, the maximum UV index in Dayton typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: Dayton June 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 June 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 June’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 June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)100 mm (3.9 inches)89%moderate
February Weather0°C (32°F)123 mm (4.8 inches)90%moderate
March Weather4°C (39°F)106 mm (4.2 inches)89%high
April Weather9°C (49°F)135 mm (5.3 inches)88%very high
May Weather15°C (60°F)156 mm (6.1 inches)80%very high
June Weather20°C (68°F)139 mm (5.5 inches)79%very high
July Weather23°C (73°F)137 mm (5.4 inches)74%very high
August Weather22°C (71°F)105 mm (4.1 inches)64%very high
September Weather18°C (65°F)125 mm (4.9 inches)67%very high
October Weather13°C (55°F)128 mm (5.0 inches)81%high
November Weather4°C (40°F)100 mm (3.9 inches)89%moderate
December Weather1°C (34°F)106 mm (4.2 inches)88%low

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