Weather in Dayton

• All Year
• Spring
• Summer
• Autumn
• Winter

Yearly weather

Calculations are based on the last 8 years of historical weather data.

Temperatures

• Dayton experiences temperatures within the comfortable range from May to September.

• July and August exhibit the warmest temperatures, with average highs reaching 27.8°C and 27.1°C, respectively.

• November, December, and January have discomfortingly cold temperatures.

• January is the coldest month, with the minimum average temperature dropping to -4.6°C.

Conditions

• Dayton experiences a clear seasonal trend with sun hours peaking in July at 7.3 hours and precipitation generally higher in the spring months

• The lowest sun hours occur in January and December, with relatively low precipitation in late summer and early fall

• This indicates a pattern of wetter springs and drier late summer/early fall periods.

Astronomy

• In Dayton, Ohio, the earliest sunrise occurs at 06:09 in June, while the latest sunrise is at 07:54 in January, indicating a significant shift in daylight hours as seasons change.

• Conversely, the earliest sunset happens at 17:15 in December, with the latest sunset at 21:05 in June, illustrating the long summer evenings contrasted with the short winter days.

• Day length varies greatly throughout the year, with the shortest day lasting only 9 hours and 24 minutes in December, and the longest day stretching to nearly 15 hours in June, showcasing the seasonal variation in daylight.