June Weather in Dayton, United States

Last updated: June 24, 2025

In June, the average temperature in Dayton, United States hovers around 16°C (61°F), offering a mild climate. However, temperatures can range from a chilly 0°C (33°F) to a sweltering 37°C (99°F). During this month, you can expect 84 mm (3.3 in) of precipitation spread over 16 days, contributing to the region's average humidity of 82%.

June Temperature in Dayton

In June in Dayton, the average temperature is 16°C (61°F). Maximum temperatures can reach 37°C (99°F), while minimums can drop as low as 0°C (33°F). Be prepared for a wide range of temperatures when traveling to Dayton this month.

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 16°C (61°F), with highs reaching up to 37°C (99°F) and lows dropping to around 0°C (33°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 total precipitation amount is 84 mm (3.3 in) spread over 16 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 84 mm (3.3 inches) of precipitation spread over approximately 16 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 82%. With an average temperature of 16°C (61°F), this humidity feels like a heavy blanket enveloping you, making travel feel a bit sluggish and requiring frequent breaks to hydrate and cool down.

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 82%, 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 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.

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	-4°C (25°F)	26 mm (1.0 inches)	78%	moderate
February Weather	-7°C (20°F)	45 mm (1.8 inches)	79%	moderate
March Weather	0°C (33°F)	56 mm (2.2 inches)	71%	high
April Weather	4°C (39°F)	97 mm (3.8 inches)	70%	very high
May Weather	10°C (50°F)	109 mm (4.3 inches)	75%	very high
June Weather	16°C (61°F)	84 mm (3.3 inches)	82%	extreme
July Weather	20°C (69°F)	63 mm (2.5 inches)	84%	very high
August Weather	19°C (66°F)	48 mm (1.9 inches)	85%	very high
September Weather	14°C (58°F)	63 mm (2.5 inches)	79%	very high
October Weather	5°C (41°F)	67 mm (2.6 inches)	75%	moderate
November Weather	0°C (33°F)	37 mm (1.5 inches)	75%	moderate
December Weather	-3°C (27°F)	35 mm (1.4 inches)	81%	low