Dayton Weather in July
Average highs run from 80°F on July 1 to 85°F on July 31, and lows from 58°F to 63°F. Normal precipitation for the month is 0.19 in over about 1 wet days.
July day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
July at a glance
- Average high
- 84°F
- Average low
- 62°F
- Precipitation
- 0.19 in
- Record high
- 107°FJul 19, 1931
- Record low
- 33°FJul 7, 1903
- Chance of a freeze
- 0%
- Days of 90°F or more
- 6.2
- Daylight
- 14 h 53 min to 14 h 13 min
- Cloud cover
- 24%
- Humidity
- 28%
- Dew point
- 34°F
- Wind
- 6.0 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Jul 1 | 80°F | 58°F | 101°F 1950 | 34°F 1975 | 4% | 0% |
| Jul 2 | 81°F | 58°F | 102°F 2001 | 34°F 1978 | 4% | 0% |
| Jul 3 | 81°F | 59°F | 100°F 1937 | 34°F 1966 | 4% | 0% |
| Jul 4 | 81°F | 59°F | 102°F 2007 | 37°F 1901 | 4% | 0% |
| Jul 5 | 82°F | 59°F | 104°F 2007 | 35°F 1934 | 4% | 0% |
| Jul 6 | 82°F | 60°F | 102°F 2024 | 35°F 1902 | 4% | 0% |
| Jul 7 | 82°F | 60°F | 102°F 2024 | 33°F 1903 | 4% | 0% |
| Jul 8 | 83°F | 60°F | 104°F 2021 | 35°F 1897 | 4% | 0% |
| Jul 9 | 83°F | 61°F | 102°F 2021 | 37°F 1897 | 3% | 0% |
| Jul 10 | 83°F | 61°F | 105°F 2002 | 37°F 1965 | 3% | 0% |
| Jul 11 | 83°F | 61°F | 104°F 2002 | 35°F 1938 | 3% | 0% |
| Jul 12 | 84°F | 61°F | 101°F 2021 | 36°F 1932 | 3% | 0% |
| Jul 13 | 84°F | 62°F | 103°F 2024 | 33°F 1924 | 4% | 0% |
| Jul 14 | 84°F | 62°F | 103°F 2014 | 40°F 1893 | 4% | 0% |
| Jul 15 | 84°F | 62°F | 101°F 2014 | 34°F 1902 | 4% | 0% |
| Jul 16 | 85°F | 62°F | 101°F 2023 | 36°F 1924 | 4% | 0% |
| Jul 17 | 85°F | 62°F | 103°F 2023 | 36°F 1924 | 4% | 0% |
| Jul 18 | 85°F | 63°F | 105°F 1931 | 36°F 1966 | 4% | 0% |
| Jul 19 | 85°F | 63°F | 107°F 1931 | 34°F 1987 | 4% | 0% |
| Jul 20 | 85°F | 63°F | 106°F 1931 | 38°F 1894 | 4% | 0% |
| Jul 21 | 85°F | 63°F | 103°F 2013 | 37°F 1929 | 4% | 0% |
| Jul 22 | 85°F | 63°F | 104°F 2003 | 33°F 1987 | 4% | 0% |
| Jul 23 | 85°F | 63°F | 104°F 1931 | 33°F 1987 | 4% | 0% |
| Jul 24 | 85°F | 63°F | 102°F 1928 | 41°F 1903 | 4% | 0% |
| Jul 25 | 85°F | 63°F | 103°F 1928 | 38°F 1926 | 4% | 0% |
| Jul 26 | 85°F | 63°F | 103°F 1945 | 38°F 1977 | 4% | 0% |
| Jul 27 | 85°F | 63°F | 101°F 1934 | 39°F 1926 | 4% | 0% |
| Jul 28 | 85°F | 63°F | 102°F 2016 | 37°F 1926 | 4% | 0% |
| Jul 29 | 85°F | 63°F | 102°F 2022 | 39°F 1905 | 4% | 0% |
| Jul 30 | 85°F | 63°F | 102°F 2022 | 38°F 1975 | 4% | 0% |
| Jul 31 | 85°F | 63°F | 103°F 2022 | 35°F 1975 | 4% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (PDT).
- July 1
- sunrise 5:36 AM, sunset 8:29 PM
- July 31
- sunrise 5:58 AM, sunset 8:11 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00268761 (Virginia City), public domain. Records: NOAA GHCN-Daily, station USC00261485, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.