Dayton climate

Dayton Weather in August

NOAA 1991-2020 normals for Liberty, 8.8 km from Dayton

Average highs run from 95°F on August 1 to 93°F on August 31, and lows from 74°F to 73°F. Normal precipitation for the month is 5.52 in over about 9 wet days.

August day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Dayton, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
94°F
Average low
74°F
Precipitation
5.52 in
Record high
107°FAug 9, 1947
Record low
55°FAug 21, 1940
Chance of a freeze
0%
Days of 90°F or more
26.5
Daylight
13 h 34 min to 12 h 47 min
Cloud cover
47%
Humidity
73%
Dew point
73°F
Wind
5.4 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.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Aug 195°F74°F103°F 194465°F 190427%0%
Aug 295°F74°F103°F 199863°F 193627%0%
Aug 395°F74°F102°F 193262°F 194027%0%
Aug 495°F74°F102°F 191862°F 197627%0%
Aug 595°F74°F103°F 193264°F 197227%0%
Aug 695°F74°F103°F 193263°F 197228%0%
Aug 795°F74°F103°F 191364°F 197228%0%
Aug 895°F74°F105°F 194768°F 197128%0%
Aug 995°F74°F107°F 194761°F 198928%0%
Aug 1095°F74°F107°F 196262°F 198929%0%
Aug 1195°F74°F105°F 193062°F 198929%0%
Aug 1295°F74°F104°F 192459°F 193129%0%
Aug 1395°F74°F105°F 196259°F 196729%0%
Aug 1495°F74°F105°F 195162°F 196729%0%
Aug 1595°F74°F104°F 195160°F 193130%0%
Aug 1695°F74°F107°F 192562°F 197230%0%
Aug 1794°F74°F105°F 192560°F 199230%0%
Aug 1894°F74°F105°F 190961°F 199230%0%
Aug 1994°F74°F106°F 193064°F 199231%0%
Aug 2094°F74°F106°F 193060°F 192731%0%
Aug 2194°F74°F105°F 192555°F 194031%0%
Aug 2294°F74°F104°F 192556°F 194031%0%
Aug 2394°F73°F102°F 192460°F 194031%0%
Aug 2494°F73°F104°F 192461°F 195632%0%
Aug 2594°F73°F107°F 192460°F 191632%0%
Aug 2694°F73°F102°F 196961°F 191632%0%
Aug 2793°F73°F102°F 199062°F 197032%0%
Aug 2893°F73°F106°F 201162°F 190632%0%
Aug 2993°F73°F105°F 201160°F 195232%0%
Aug 3093°F73°F104°F 200062°F 198632%0%
Aug 3193°F73°F107°F 200060°F 197232%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Dayton, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

August 1
sunrise 6:39 AM, sunset 8:13 PM
August 31
sunrise 6:56 AM, sunset 7:43 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00415196 (Liberty), public domain. Records: NOAA GHCN-Daily, station USC00415196, 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.