Last updated: June 24, 2025
In April, the average temperature in Dayton, United States is a crisp 9°C (48°F). Expect a range from a chilly -12°C (11°F) to a warm 30°C (87°F). During this time, precipitation amounts to 72 mm (2.8 in) over approximately 10 days, while the average humidity lingers at a high 81%.
In April in Dayton, the average temperature is 9°C (48°F), with maximums reaching up to 30°C (87°F) and minimums plummeting as low as -12°C (11°F). This variability makes it essential for travelers to pack layers to accommodate both warm days and chilly nights.
In Dayton in April, the total precipitation amount is 72 mm (2.8 in) spread over a duration of 10 days.
In Dayton in April, humidity is 81%. With an average temperature of 9°C (48°F), this humidity feels like a chilly, damp embrace that can make outdoor activities less enjoyable and may require extra layers to stay comfortable while traveling.
In 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 Dayton.
UV Risk Categories
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.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -6°C (21°F) | 32 mm (1.3 inches) | 82% | moderate |
February Weather | -6°C (21°F) | 42 mm (1.7 inches) | 84% | moderate |
March Weather | 3°C (38°F) | 72 mm (2.8 inches) | 80% | moderate |
April Weather | 9°C (48°F) | 72 mm (2.8 inches) | 81% | very high |
May Weather | 16°C (62°F) | 166 mm (6.5 inches) | 74% | very high |
June Weather | 23°C (74°F) | 109 mm (4.3 inches) | 80% | extreme |
July Weather | 24°C (76°F) | 89 mm (3.5 inches) | 80% | very high |
August Weather | 23°C (73°F) | 95 mm (3.8 inches) | 77% | very high |
September Weather | 20°C (68°F) | 127 mm (5.0 inches) | 75% | very high |
October Weather | 11°C (51°F) | 123 mm (4.8 inches) | 80% | high |
November Weather | 3°C (37°F) | 41 mm (1.6 inches) | 87% | moderate |
December Weather | -2°C (29°F) | 37 mm (1.5 inches) | 83% | moderate |