April Weather in Dayton, United States

Last updated: June 24, 2025

In Dayton, United States, the average temperature in April hovers around 11°C (52°F). Expect a swing from a chilly minimum of -1°C (30°F) to a pleasant maximum of 28°C (82°F). With 105 mm (4.1 in) of precipitation spread over 14 days, you might want to keep an umbrella handy. Plus, the air is quite humid, with an average humidity of 83%, making for a rather damp atmosphere.

April Temperature in Dayton

In April in Dayton, the average temperature is 11°C (52°F), with maximums reaching up to 28°C (82°F) and minimums dropping as low as -1°C (30°F). This diverse range of temperatures means travelers should be prepared for both warm days and chilly nights.

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 11°C (52°F), with highs reaching up to 28°C (82°F) and lows dropping to around -1°C (30°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 105 mm (4.1 in) over the course of 14 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 105 mm (4.1 inches) of precipitation spread over approximately 14 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

April Humidity in Dayton

In Dayton in April humidity is 83%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that can make outdoor activities uncomfortable, often leading travelers to seek shelter indoors or to dress in layered clothing to stay warm while exploring the area.

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 83%, 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	6°C (43°F)	158 mm (6.2 inches)	85%	low
February Weather	5°C (42°F)	163 mm (6.4 inches)	84%	moderate
March Weather	8°C (47°F)	121 mm (4.8 inches)	85%	moderate
April Weather	11°C (52°F)	105 mm (4.1 inches)	83%	high
May Weather	15°C (58°F)	48 mm (1.9 inches)	83%	very high
June Weather	18°C (65°F)	39 mm (1.5 inches)	83%	very high
July Weather	21°C (71°F)	4 mm (0.2 inches)	82%	very high
August Weather	22°C (71°F)	4 mm (0.2 inches)	74%	very high
September Weather	18°C (65°F)	57 mm (2.3 inches)	71%	high
October Weather	12°C (54°F)	91 mm (3.6 inches)	81%	moderate
November Weather	8°C (47°F)	144 mm (5.7 inches)	87%	moderate
December Weather	5°C (42°F)	182 mm (7.2 inches)	87%	low