Dayton climate

Dayton Weather in August

NOAA 1991-2020 normals for Putneyville 2 Se Dam, 6 km from Dayton

Average highs run from 82°F on August 1 to 79°F on August 31, and lows from 58°F to 55°F. Normal precipitation for the month is 3.81 in over about 11 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.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
81°F
Average low
57°F
Precipitation
3.81 in
Record high
99°FAug 17, 1988
Record low
34°FAug 29, 1965
Chance of a freeze
0%
Days of 90°F or more
2.0
Daylight
14 h 20 min to 13 h 08 min
Cloud cover
60%
Humidity
71%
Dew point
58°F
Wind
3.4 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 182°F58°F95°F 197542°F 195237%0%
Aug 282°F58°F95°F 195543°F 197637%0%
Aug 382°F58°F95°F 195545°F 195937%0%
Aug 482°F58°F94°F 200243°F 195036%0%
Aug 582°F58°F93°F 195539°F 195136%0%
Aug 682°F58°F92°F 196239°F 195736%0%
Aug 782°F58°F93°F 200143°F 195736%0%
Aug 882°F58°F93°F 200144°F 194836%0%
Aug 982°F58°F93°F 200143°F 198936%0%
Aug 1082°F58°F92°F 200145°F 194836%0%
Aug 1182°F58°F92°F 198845°F 197236%0%
Aug 1282°F58°F93°F 201643°F 196836%0%
Aug 1382°F58°F94°F 200542°F 195035%0%
Aug 1482°F57°F95°F 200242°F 195035%0%
Aug 1581°F57°F94°F 195940°F 196435%0%
Aug 1681°F57°F94°F 196543°F 196335%0%
Aug 1781°F57°F99°F 198844°F 201435%0%
Aug 1881°F57°F92°F 200440°F 195335%0%
Aug 1981°F57°F91°F 194741°F 195335%0%
Aug 2081°F57°F96°F 198338°F 194934%0%
Aug 2181°F57°F91°F 195937°F 195034%0%
Aug 2281°F56°F96°F 198339°F 195034%0%
Aug 2381°F56°F92°F 196837°F 195234%0%
Aug 2481°F56°F90°F 195938°F 195134%0%
Aug 2580°F56°F91°F 194740°F 195233%0%
Aug 2680°F56°F95°F 194844°F 195633%0%
Aug 2780°F56°F95°F 194841°F 195833%0%
Aug 2880°F55°F95°F 194840°F 196833%0%
Aug 2980°F55°F94°F 201634°F 196533%0%
Aug 3079°F55°F96°F 195339°F 196532%0%
Aug 3179°F55°F94°F 197339°F 197632%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 (EDT).

August 1
sunrise 6:13 AM, sunset 8:33 PM
August 31
sunrise 6:43 AM, sunset 7:51 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00367229 (Putneyville 2 Se Dam), public domain. Records: NOAA GHCN-Daily, station USC00364214, 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.