Flat Rock climate

Flat Rock Weather in August

NOAA 1991-2020 normals for Detroit Metro AP, 15.4 km from Flat Rock

Average highs run from 83°F on August 1 to 79°F on August 31, and lows from 64°F to 61°F. Normal precipitation for the month is 3.26 in over about 10 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 Flat Rock, in °F, with the record for each date.405060708090100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
81°F
Average low
63°F
Precipitation
3.26 in
Record high
96°FAug 1, 2006
Record low
47°FAug 19, 2012
Chance of a freeze
0%
Days of 90°F or more
2.7
Daylight
14 h 25 min to 13 h 10 min
Cloud cover
54%
Humidity
71%
Dew point
61°F
Wind
8.1 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 183°F64°F96°F 200654°F 201434%0%
Aug 283°F64°F96°F 200654°F 202134%0%
Aug 383°F64°F95°F 200654°F 202133%0%
Aug 483°F64°F96°F 201254°F 201333%0%
Aug 583°F64°F94°F 201654°F 201333%0%
Aug 683°F64°F92°F 201853°F 201233%0%
Aug 783°F64°F91°F 201852°F 201433%0%
Aug 882°F64°F90°F 201252°F 201433%0%
Aug 982°F64°F92°F 200754°F 201733%0%
Aug 1082°F64°F93°F 200951°F 200833%0%
Aug 1182°F64°F96°F 201651°F 200832%0%
Aug 1282°F64°F93°F 201653°F 200632%0%
Aug 1382°F64°F94°F 201652°F 200632%0%
Aug 1482°F64°F87°F 201049°F 201332%0%
Aug 1582°F64°F87°F 200948°F 201332%0%
Aug 1682°F64°F91°F 201048°F 201332%0%
Aug 1781°F63°F90°F 200953°F 200632%0%
Aug 1881°F63°F88°F 201949°F 200732%0%
Aug 1981°F63°F88°F 201147°F 201232%0%
Aug 2081°F63°F89°F 200552°F 201232%0%
Aug 2181°F63°F88°F 201954°F 201232%0%
Aug 2281°F63°F88°F 201951°F 201132%0%
Aug 2381°F63°F92°F 202151°F 201132%0%
Aug 2480°F62°F91°F 200853°F 200532%0%
Aug 2580°F62°F91°F 202050°F 201732%0%
Aug 2680°F62°F92°F 201249°F 201732%0%
Aug 2780°F62°F91°F 202148°F 201732%0%
Aug 2880°F62°F95°F 202051°F 201531%0%
Aug 2980°F61°F91°F 201851°F 201531%0%
Aug 3079°F61°F91°F 201051°F 202031%0%
Aug 3179°F61°F94°F 201050°F 200931%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Flat Rock, 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 6:27 AM, sunset 8:52 PM
August 31
sunrise 6:58 AM, sunset 8:08 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00094847 (Detroit Metro AP), public domain. Records: NOAA GHCN-Daily, station USC00205822, 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.