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

10.7°C

across all months

Warmest month

30°C

Jul average high

Coolest month

-1.5°C

Jan average low

Annual rainfall

639mm

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

42.7°C

29 June 2021

Coldest day

-24.9°C

13 January 2024

Wettest day

46.1mm

20 May 2020

Windiest day

8.6m/s

10 December 2025