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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), but don't be surprised by the extremes—temperatures can dip as low as -7°C (20°F) or soar to a warm 29°C (84°F). Expect about 92 mm (3.6 in) of precipitation spread over 10 days, accompanied by a high average humidity of 87%. Stay prepared for a variety of weather conditions!

April Temperature in Dayton

In April in Dayton, the average temperature is 11°C (52°F). Maximum temperatures can reach 29°C (84°F), while minimums can drop to as low as -7°C (20°F). It's important to pack for both warm and cold weather when traveling 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 11°C (52°F), with highs reaching up to 29°C (84°F) and lows dropping to around -7°C (20°F).
JanFebMarAprMayJunJulAugSepOctNovDec293242526474777470574135
Data source: Temperature data for Dayton generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Dayton

In Dayton in April, the total precipitation amount is 92 mm (3.6 in), which falls over the course of 10 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 92 mm (3.6 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec778010792143959286631057664
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Dayton

In Dayton in April, humidity is 87%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that can make your clothes cling uncomfortably, leaving you feeling slightly weighed down 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 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%86%87%81%82%81%79%78%81%89%86%
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 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For 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 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
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.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)76 mm (3.0 inches)85%moderate
February Weather0°C (32°F)79 mm (3.1 inches)85%moderate
March Weather6°C (42°F)107 mm (4.2 inches)86%high
April Weather11°C (52°F)92 mm (3.6 inches)87%very high
May Weather18°C (64°F)143 mm (5.6 inches)81%very high
June Weather23°C (74°F)95 mm (3.7 inches)82%very high
July Weather25°C (77°F)92 mm (3.6 inches)81%very high
August Weather23°C (74°F)86 mm (3.4 inches)79%very high
September Weather21°C (70°F)63 mm (2.5 inches)78%very high
October Weather14°C (58°F)105 mm (4.1 inches)81%high
November Weather5°C (42°F)76 mm (3.0 inches)89%moderate
December Weather2°C (36°F)64 mm (2.5 inches)86%low

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