June Weather in Dayton, United States

Last updated: June 24, 2025

In Dayton, United States, the average temperature in June hovers around 23°C (74°F). However, be prepared for a wide range, as it can drop to a chilly 8°C (47°F) at night and peak at a scorching 38°C (101°F) during the day. Rain is also a common occurrence, with 109 mm (4.3 in) of precipitation expected over approximately 12 days. With an average humidity level of 80%, it's essential to stay hydrated and enjoy the lively atmosphere!

June Temperature in Dayton

In June in Dayton, the average temperature is 23°C (74°F). Maximum temperatures can reach as high as 38°C (101°F), while the minimum can drop to 8°C (47°F). This makes Dayton an excellent destination for travelers seeking warm weather with the option for 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 23°C (74°F), with highs reaching up to 38°C (101°F) and lows dropping to around 8°C (47°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 109 mm (4.3 in) during 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 109 mm (4.3 inches) of precipitation spread over approximately 12 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 80%. With an average temperature of 23°C (74°F), this humidity feels like walking through a warm, damp blanket, making travel feel sticky and muggy, where every step leaves you yearning for a cool breeze.

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 80%, 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	-6°C (21°F)	32 mm (1.3 inches)	82%	moderate
February Weather	-6°C (21°F)	42 mm (1.7 inches)	84%	moderate
March Weather	3°C (38°F)	72 mm (2.8 inches)	80%	moderate
April Weather	9°C (48°F)	72 mm (2.8 inches)	81%	very high
May Weather	16°C (62°F)	166 mm (6.5 inches)	74%	very high
June Weather	23°C (74°F)	109 mm (4.3 inches)	80%	extreme
July Weather	24°C (76°F)	89 mm (3.5 inches)	80%	very high
August Weather	23°C (73°F)	95 mm (3.8 inches)	77%	very high
September Weather	20°C (68°F)	127 mm (5.0 inches)	75%	very high
October Weather	11°C (51°F)	123 mm (4.8 inches)	80%	high
November Weather	3°C (37°F)	41 mm (1.6 inches)	87%	moderate
December Weather	-2°C (29°F)	37 mm (1.5 inches)	83%	moderate