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June Weather in Dayton, United States

Last updated: June 24, 2025

In Dayton, United States, the average temperature in June hovers around 21°C (70°F), providing a delightful climate for various activities. However, be prepared for temperature fluctuations, with minimums of 6°C (43°F) and maximums reaching up to 32°C (90°F). Expect some rain, as precipitation averages around 99 mm (3.9 in) over 12 days, and the air tends to be quite humid, with an average humidity level of 79%. Pack accordingly!

June Temperature in Dayton

In June in Dayton, the average temperature is 21°C (70°F). The maximum can reach 32°C (90°F), and the minimum can be as low as 6°C (43°F). This pleasant climate makes Dayton an ideal destination for travelers seeking a comfortable and enjoyable experience.

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 21°C (70°F), with highs reaching up to 32°C (90°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec333843536370757267574338
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 total precipitation amount is 99 mm (3.9 in) recorded over a span of 12 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 99 mm (3.9 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec64906910712899761151121127085
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 21°C (70°F), this humidity feels like a warm embrace, making outdoor exploration a bit sticky but still enjoyable for travelers who appreciate the lush, vibrant atmosphere.

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.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%86%84%78%79%70%59%68%80%87%85%
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 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, 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 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710111111109753
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 Weather1°C (33°F)64 mm (2.5 inches)86%moderate
February Weather4°C (39°F)90 mm (3.6 inches)86%high
March Weather6°C (44°F)69 mm (2.7 inches)86%high
April Weather12°C (53°F)107 mm (4.2 inches)84%very high
May Weather17°C (63°F)128 mm (5.0 inches)78%extreme
June Weather21°C (70°F)99 mm (3.9 inches)79%extreme
July Weather24°C (75°F)76 mm (3.0 inches)70%extreme
August Weather22°C (72°F)115 mm (4.5 inches)59%very high
September Weather19°C (67°F)112 mm (4.4 inches)68%very high
October Weather14°C (58°F)112 mm (4.4 inches)80%high
November Weather6°C (43°F)70 mm (2.7 inches)86%moderate
December Weather3°C (38°F)85 mm (3.3 inches)85%moderate

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