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Dayton, OH Weather on July 11
July 11th in Dayton, OH typically brings warm summer weather, with average highs around 87°F and lows near 67°F. Over 55 years of records, the warmest July 11th was in 1988 (87°F average), while the coldest was 1999 (67°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 35% of July 11th dates historically, with the wettest July 11th recording 3.28" of rain. The last decade has been 4.6°F warmer on this date compared to 20-30 years ago.
What to Expect on July 11
Planning for July 11th in Dayton, OH? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
July 11 Weather Records for Dayton
- •The all-time record high for July 11th in Dayton, OH is 99°F, set in 1988.
- •The coldest July 11th on record dropped to 55°F in 1997.
- •Temperatures have reached 90°F or higher on July 11th in 21 of the last 55 years.
- •Last year (1971), July 11th was 5°F cooler than the long-term average.
Frequently Asked Questions
What was the warmest July 11 ever in Dayton?
The warmest July 11 in Dayton, OH reached 99°F in 1988. That is 12°F above the long-term average high of 87°F.
What was the coldest July 11 ever in Dayton?
The coldest July 11 in Dayton, OH dropped to 55°F in 1997. That is 12°F below the long-term average low of 67°F.
What is the average temperature on July 11 in Dayton?
On July 11, Dayton averages a high of 87°F and a low of 67°F based on 55 years of NOAA weather observations from DAYTON MCD.
How many years of weather data are available for July 11 in Dayton?
We have 55 years of weather records for July 11 in Dayton, OH, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.
July 11 Weather History in Dayton
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 89°F | 69°F | 0" | -- |
| 2024 | 85°F | 62°F | 0.25" | -- |
| 2023 | 86°F | 64°F | 0" | -- |
| 2022 | 87°F | 66°F | 0" | -- |
| 2021 | 86°F | 75°F | 0.25" | -- |
| 2020 | 96°F | 75°F | 0" | -- |
| 2019 | 95°F | 78°F | 0" | -- |
| 2018 | 95°F | 69°F | 0.64" | -- |
| 2017 | 88°F | 70°F | 0.25" | -- |
| 2016 | 86°F | 64°F | 0" | -- |
| 2015 | 76°F | 62°F | 0" | -- |
| 2014 | 84°F | 60°F | 0" | -- |
| 2013 | 90°F | 65°F | 0.71" | -- |
| 2012 | 90°F | 68°F | 0" | -- |
| 2011 | 93°F | 74°F | 0" | -- |
| 2010 | 89°F | 68°F | 0" | -- |
| 2009 | 90°F | 71°F | 0" | -- |
| 2008 | 87°F | 69°F | 0" | -- |
| 2007 | 81°F | 60°F | 0" | -- |
| 2006 | 92°F | 71°F | 0" | -- |
| 2005 | 90°F | 69°F | 0" | -- |
| 2004 | 89°F | 71°F | 0.41" | -- |
| 2003 | 79°F | 64°F | 0.23" | -- |
| 2002 | 87°F | 64°F | 0" | -- |
| 2001 | 96°F | 69°F | 0" | -- |
| 2000 | 90°F | 72°F | 0.86" | -- |
| 1999 | 79°F | 56°F | 0" | -- |
| 1998 | 91°F | 58°F | 0" | -- |
| 1997 | 81°F | 55°F | 0" | -- |
| 1996 | 81°F | 57°F | 0" | -- |
| 1995 | 88°F | 67°F | 0" | -- |
| 1994 | 80°F | 58°F | 0" | -- |
| 1993 | 91°F | 71°F | 0.38" | -- |
| 1992 | 91°F | 71°F | 0.2" | -- |
| 1991 | 80°F | 67°F | 0.66" | -- |
| 1990 | 92°F | 70°F | 0.15" | -- |
| 1989 | 95°F | 75°F | 0" | -- |
| 1988 | 99°F | 75°F | 0" | -- |
| 1987 | 90°F | 72°F | 0" | -- |
| 1986 | 77°F | 67°F | 3.28" | -- |
| 1985 | 80°F | 57°F | 0" | -- |
| 1984 | 97°F | 75°F | 0" | -- |
| 1983 | 87°F | 66°F | 0" | -- |
| 1982 | 86°F | 70°F | 0.89" | -- |
| 1981 | 92°F | 62°F | 0" | -- |
| 1980 | 91°F | 71°F | 0" | -- |
| 1979 | 85°F | 66°F | 0" | -- |
| 1978 | 82°F | 57°F | 0" | -- |
| 1977 | 78°F | 68°F | 0.13" | -- |
| 1976 | 88°F | 74°F | 0" | -- |
| 1975 | 83°F | 56°F | 0.76" | -- |
| 1974 | 89°F | 66°F | 0.1" | -- |
| 1973 | 88°F | 66°F | 1.35" | -- |
| 1972 | 86°F | 70°F | 0" | -- |
| 1971 | 82°F | 70°F | 1.78" | -- |
Based on 55 years of data from NOAA station: DAYTON MCD
Monthly Climate Averages
Historical temperature and precipitation averages for Dayton, OH, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.