Dayton climate

Typical historical weather for Dayton, United States, averaged across 10 years of hourly climate data. Pick a date for a specific day.

Want today's actual conditions instead? See the current forecast for Dayton.

Annual average

11.6°C

across all months

Warmest month

33.2°C

Jul average high

Coolest month

-3.5°C

Jan average low

Annual rainfall

396mm

total per year

Monthly averages

Average daily high/low temperature (band) and monthly rainfall (bars).

● Avg high● Avg low▮ Rainfall

Records on file

Hottest day

39.3°C

8 July 2024

Coldest day

-19.1°C

6 January 2017

Wettest day

68.8mm

31 December 2022

Windiest day

6.2m/s

2 February 2025