Historical Weather in Dayton, OH

See 55+ years of weather history for any date in Dayton going back to 1970.

Part of Ohio weather history

Look Up a Specific Date

Searching weather history for Dayton, OH

Today in Dayton Weather HistorySee records, averages, and 55+ years of data for today's date

Monthly Climate Averages

Historical temperature and precipitation averages for Dayton, OH, based on 55+ years of weather data.

Warmest MonthJulyAvg High: 86°F / Low: 66°F
Coldest MonthJanuaryAvg High: 36°F / Low: 21°F
Jan
36°/ 21°
💧 5.7"
❄️ 1.1"
Feb
40°/ 24°
💧 5.8"
❄️ 1.1"
Mar
51°/ 32°
💧 7.5"
❄️ 1.2"
Apr
64°/ 42°
💧 8.2"
❄️ 0.6"
May
74°/ 53°
💧 8.2"
Jun
82°/ 62°
💧 9.6"
Jul
86°/ 66°
💧 9.7"
Aug
84°/ 64°
💧 8.8"
Sep
78°/ 57°
💧 8.8"
Oct
65°/ 45°
💧 7.8"
❄️ 1.2"
Nov
52°/ 35°
💧 7.6"
❄️ 0.8"
Dec
41°/ 26°
💧 6.7"
❄️ 1.0"

Temperatures in Fahrenheit. Precipitation and snowfall in inches.

Dayton Temperature Records

  • Record High: The hottest temperature ever recorded in Dayton, OH is 105°F, set on July 7, 2012.
  • Record Low: The coldest temperature ever recorded in Dayton, OH is -25°F, set on January 18, 1994.
  • Data Coverage: Based on 52 years of data from NOAA weather station: DAYTON MCD.

All-Time Record High

105°F
July 7, 2012

All-Time Record Low

-25°F
January 18, 1994

Monthly Temperature Records in Dayton

MonthRecord HighRecord Low
January70°F(2020)-25°F(1994)
February78°F(1997)-12°F(1977)
March88°F(2012)-7°F(1980)
April90°F(1986)15°F(1972)
May97°F(2010)28°F(2020)
June103°F(1994)38°F(1988)
July105°F(2012)42°F(1972)
August103°F(1999)39°F(1986)
September99°F(2002)32°F(1983)
October98°F(2019)18°F(1976)
November83°F(2016)5°F(1976)
December75°F(1998)-21°F(1989)
Ohio State RecordsSee all-time records for the entire state
Dayton Snow RecordsSee the top 10 snowiest days ever recorded