April Weather in Dayton, United States

Last updated: June 24, 2025

In Dayton, United States, the average temperature in April hovers around 6°C (43°F). Be prepared for a wide temperature range, with a minimum of -17°C (3°F) and a maximum of 28°C (83°F). Expect about 93 mm (3.6 in) of precipitation over 9 days, contributing to an average humidity of 84%—all perfect for a cozy indoor getaway!

April Temperature in Dayton

In April in Dayton, the average temperature is 6°C (43°F). The maximum can reach 28°C (83°F), while the minimum can be as low as -17°C (3°F). Be prepared for a wide range of temperatures when traveling to Dayton during this month.

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

The chart illustrates April 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, April typically has an average temperature of 6°C (43°F), with highs reaching up to 28°C (83°F) and lows dropping to around -17°C (3°F).

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

April Precipitation in Dayton

In Dayton in April, the precipitation amount is 93 mm (3.6 in) during a span of 9 days.

April Precipitation Trends in Dayton

The chart displays monthly precipitation patterns in Dayton, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Dayton, April typically receives around 93 mm (3.6 inches) of precipitation spread over approximately 9 days.

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

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Millimeters (mm) Inches (in)

April Humidity in Dayton

In Dayton in April, humidity is 84%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that penetrates your clothing, making outdoor excursions uncomfortable and prompting travelers to seek refuge indoors or find warm, sheltered spots to enjoy their surroundings.

April Average Humidity in Dayton

This chart illustrates the average monthly humidity levels in Dayton, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Dayton is approximately 84%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Dayton

In Dayton in April, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Dayton.

Maximum UV Index Levels in Dayton for April

The chart shows the monthly maximum UV Index (UVI) for Dayton in April, 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 April, the maximum UV index in Dayton typically reaches 7, which falls under the high exposure category.

Data source: Dayton April 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 April 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 April’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 April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-9°C (16°F)	22 mm (0.9 inches)	87%	low
February Weather	-9°C (16°F)	29 mm (1.1 inches)	90%	moderate
March Weather	0°C (33°F)	53 mm (2.1 inches)	85%	moderate
April Weather	6°C (43°F)	93 mm (3.6 inches)	84%	high
May Weather	15°C (59°F)	108 mm (4.2 inches)	78%	very high
June Weather	22°C (71°F)	77 mm (3.0 inches)	80%	very high
July Weather	23°C (74°F)	99 mm (3.9 inches)	81%	very high
August Weather	21°C (71°F)	144 mm (5.7 inches)	81%	very high
September Weather	18°C (64°F)	112 mm (4.4 inches)	81%	high
October Weather	9°C (48°F)	103 mm (4.1 inches)	84%	moderate
November Weather	0°C (33°F)	34 mm (1.3 inches)	88%	moderate
December Weather	-5°C (23°F)	47 mm (1.8 inches)	84%	low