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April Weather in Dayton, United States

Last updated: June 24, 2025

In April, the average temperature in Dayton, United States hovers around 12°C (53°F). Expect notable temperature fluctuations, with lows dipping to -5°C (24°F) and highs soaring up to 32°C (89°F). This month also sees 107 mm (4.2 in) of precipitation spread over 12 days, contributing to a humidity level of 84% that envelops the region. Stay prepared for a mix of weather as you explore!

April Temperature in Dayton

In April in Dayton, the average temperature is 12°C (53°F), with maximums reaching 32°C (89°F) and minimums dropping as low as -5°C (24°F). It's essential to pack for a wide range of temperatures when traveling during this time.

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 12°C (53°F), with highs reaching up to 32°C (89°F) and lows dropping to around -5°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec333843536370757267574338
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 precipitation amount is 107 mm (4.2 in) spread over 12 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 107 mm (4.2 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec64906910712899761151121127085
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 84%. With an average temperature of 12°C (53°F), this humidity feels like a damp chill that clings to your skin, making travel a bit uncomfortable as you navigate through the heavy, moist air.

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.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%86%84%78%79%70%59%68%80%87%85%
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 reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. 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 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710111111109753
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 Weather1°C (33°F)64 mm (2.5 inches)86%moderate
February Weather4°C (39°F)90 mm (3.6 inches)86%high
March Weather6°C (44°F)69 mm (2.7 inches)86%high
April Weather12°C (53°F)107 mm (4.2 inches)84%very high
May Weather17°C (63°F)128 mm (5.0 inches)78%extreme
June Weather21°C (70°F)99 mm (3.9 inches)79%extreme
July Weather24°C (75°F)76 mm (3.0 inches)70%extreme
August Weather22°C (72°F)115 mm (4.5 inches)59%very high
September Weather19°C (67°F)112 mm (4.4 inches)68%very high
October Weather14°C (58°F)112 mm (4.4 inches)80%high
November Weather6°C (43°F)70 mm (2.7 inches)86%moderate
December Weather3°C (38°F)85 mm (3.3 inches)85%moderate

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