June Weather in Dayton, United States

Last updated: June 24, 2025

In Dayton, United States, the average temperature in June is a pleasant 21°C (69°F). Expect temperatures to range from a chilly low of 1°C (35°F) to a scorching high of 37°C (98°F). During this time, precipitation is minimal, with an average of just 6 mm (0.2 in) over 1 day. You'll also experience a comfortable average humidity of 56%, making it an inviting destination for your travels!

June Temperature in Dayton

In June in Dayton, the average temperature is 21°C (69°F). Maximum temperatures can reach 37°C (98°F), while minimums can drop as low as 1°C (35°F). Be prepared for a wide range of weather conditions if you're traveling during this time!

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 (69°F), with highs reaching up to 37°C (98°F) and lows dropping to around 1°C (35°F).

Data source: Temperature data for Dayton generated using information from the Copernicus Climate Change Service.

June Precipitation in Dayton

In Dayton in June, the precipitation amount is 6 mm (0.2 in) over the course of 1 day.

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 6 mm (0.2 inches) of precipitation spread over approximately 1 days.

Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

June Humidity in Dayton

In Dayton in June humidity is 56%. With an average temperature of 21°C (69°F), this humidity feels like a comfortable embrace, making it ideal for leisurely strolls and outdoor exploration, though travelers may want to keep hydrated and dress in light layers to enjoy the warm, slightly moist air.

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 56%, offering insight into how humid the weather typically is during this month.

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 is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For 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 12, which falls under the extreme exposure category.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	1°C (34°F)	73 mm (2.9 inches)	85%	moderate
February Weather	2°C (36°F)	70 mm (2.8 inches)	87%	high
March Weather	5°C (41°F)	52 mm (2.1 inches)	84%	very high
April Weather	10°C (50°F)	25 mm (1.0 inches)	78%	very high
May Weather	14°C (58°F)	26 mm (1.0 inches)	64%	extreme
June Weather	21°C (69°F)	6 mm (0.2 inches)	56%	extreme
July Weather	25°C (78°F)	8 mm (0.3 inches)	44%	extreme
August Weather	24°C (76°F)	9 mm (0.3 inches)	34%	extreme
September Weather	19°C (67°F)	6 mm (0.2 inches)	41%	very high
October Weather	11°C (53°F)	29 mm (1.1 inches)	60%	high
November Weather	6°C (43°F)	30 mm (1.2 inches)	81%	moderate
December Weather	1°C (34°F)	49 mm (1.9 inches)	82%	moderate