Iosco County climate

Iosco County Weather in August

NOAA 1991-2020 normals for E Tawas, 2.1 km from Iosco County

Average highs run from 80°F on August 1 to 77°F on August 31, and lows from 58°F to 54°F. Normal precipitation for the month is 2.95 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 Iosco County, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
79°F
Average low
57°F
Precipitation
2.95 in
Record high
103°FAug 25, 1948
Record low
24°FAug 21, 1934
Chance of a freeze
0%
Days of 90°F or more
1.3
Daylight
14 h 37 min to 13 h 16 min
Cloud cover
61%
Humidity
76%
Dew point
59°F
Wind
6.3 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 180°F58°F98°F 200636°F 192731%0%
Aug 280°F58°F98°F 200639°F 192731%0%
Aug 380°F58°F95°F 200537°F 191831%0%
Aug 480°F58°F98°F 195543°F 195130%0%
Aug 580°F58°F98°F 190040°F 195130%0%
Aug 680°F58°F96°F 190036°F 193430%0%
Aug 780°F58°F99°F 200137°F 192930%0%
Aug 880°F58°F94°F 190040°F 190430%0%
Aug 980°F58°F100°F 200135°F 192730%0%
Aug 1080°F58°F97°F 194439°F 192730%0%
Aug 1180°F58°F95°F 194440°F 198230%0%
Aug 1279°F57°F91°F 195940°F 190230%0%
Aug 1379°F57°F98°F 191839°F 193029%0%
Aug 1479°F57°F95°F 196542°F 194629%0%
Aug 1579°F57°F93°F 194738°F 192329%0%
Aug 1679°F57°F93°F 192236°F 192929%0%
Aug 1779°F57°F92°F 192240°F 196229%0%
Aug 1879°F57°F89°F 194739°F 196229%0%
Aug 1979°F57°F91°F 192537°F 193329%0%
Aug 2079°F56°F95°F 198333°F 192929%0%
Aug 2178°F56°F90°F 191624°F 193429%0%
Aug 2278°F56°F95°F 196838°F 192329%0%
Aug 2378°F56°F92°F 195433°F 193429%0%
Aug 2478°F56°F102°F 194836°F 197129%0%
Aug 2578°F56°F103°F 194836°F 197729%0%
Aug 2678°F55°F95°F 194835°F 191729%0%
Aug 2777°F55°F94°F 195337°F 191529%0%
Aug 2877°F55°F95°F 195334°F 198229%0%
Aug 2977°F55°F94°F 195331°F 198229%0%
Aug 3077°F54°F95°F 192529°F 193429%0%
Aug 3177°F54°F95°F 192534°F 193129%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Iosco County, 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 6:22 AM, sunset 8:59 PM
August 31
sunrise 6:56 AM, sunset 8:12 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00202423 (E Tawas), public domain. Records: NOAA GHCN-Daily, station USC00202423, 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.