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April Weather in South Dayton, United States

Last updated: June 24, 2025

In April, the average temperature in South Dayton, United States hovers around 7°C (45°F), offering a diverse climate experience. Expect temperatures to dip as low as -9°C (16°F) and potentially rise to a pleasant 27°C (80°F). Rainfall is common, with an average precipitation of 130 mm (5.1 in) spread over 16 days, while the air carries a high humidity level of 88%.

April Temperature in South Dayton

In April in South Dayton, the average temperature is 7°C (45°F). Maximum temperatures can reach 27°C (80°F), while minimums can drop as low as -9°C (16°F). This variation makes it essential to pack layers for your visit to South Dayton.

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

The chart illustrates April temperature patterns in South Dayton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In South Dayton, April typically has an average temperature of 7°C (45°F), with highs reaching up to 27°C (80°F) and lows dropping to around -9°C (16°F).
JanFebMarAprMayJunJulAugSepOctNovDec252834445765706862523731
Data source: Temperature data for South 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 South Dayton

In South Dayton in April, the precipitation amount is 130 mm (5.1 in) spread over 16 days.

April Precipitation Trends in South Dayton

The chart displays monthly precipitation patterns in South 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 South Dayton, April typically receives around 130 mm (5.1 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec10211010313013514615411389148125118
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in South Dayton

In South Dayton in April humidity is 88%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable as you navigate through a heavy, thick atmosphere that clings to your skin.

April Average Humidity in South Dayton

This chart illustrates the average monthly humidity levels in South 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 South Dayton is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%91%88%88%82%80%77%72%76%83%88%87%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in South Dayton

In South Dayton in April, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in South Dayton.

Maximum UV Index Levels in South Dayton for April

The chart shows the monthly maximum UV Index (UVI) for South 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 South Dayton typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35689101098642
Data source: South 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 South Dayton Compares to Other Months

Weather in South Dayton varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in South Dayton, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in South Dayton, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)102 mm (4.0 inches)91%moderate
February Weather-2°C (28°F)110 mm (4.3 inches)91%moderate
March Weather1°C (34°F)103 mm (4.1 inches)88%high
April Weather7°C (45°F)130 mm (5.1 inches)88%very high
May Weather14°C (57°F)135 mm (5.3 inches)82%very high
June Weather18°C (65°F)146 mm (5.7 inches)79%very high
July Weather21°C (70°F)154 mm (6.1 inches)77%very high
August Weather20°C (68°F)113 mm (4.4 inches)72%very high
September Weather17°C (62°F)88 mm (3.5 inches)76%very high
October Weather11°C (52°F)147 mm (5.8 inches)83%high
November Weather3°C (37°F)125 mm (4.9 inches)88%moderate
December Weather-1°C (31°F)118 mm (4.6 inches)87%low

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