McDonough County climate

McDonough County Weather in August

NOAA 1991-2020 normals for Prairie City 2S, 23.5 km from McDonough County

Average highs run from 85°F on August 1 to 82°F on August 31, and lows from 64°F to 60°F. Normal precipitation for the month is 3.21 in over about 8 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 McDonough County, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
84°F
Average low
63°F
Precipitation
3.21 in
Record high
102°FAug 27, 2003
Record low
46°FAug 13, 2004
Chance of a freeze
0%
Days of 90°F or more
5.7
Daylight
14 h 17 min to 13 h 07 min
Cloud cover
49%
Humidity
70%
Dew point
63°F
Wind
7.6 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 185°F64°F97°F 200657°F 200927%0%
Aug 285°F64°F96°F 200655°F 200927%0%
Aug 385°F64°F99°F 200655°F 200927%0%
Aug 485°F64°F98°F 201052°F 201727%0%
Aug 585°F64°F95°F 200552°F 201727%0%
Aug 685°F64°F95°F 200752°F 200427%0%
Aug 785°F64°F94°F 200652°F 200427%0%
Aug 884°F64°F98°F 201254°F 200427%0%
Aug 984°F64°F94°F 200555°F 202427%0%
Aug 1084°F64°F96°F 200552°F 202427%0%
Aug 1184°F63°F95°F 201050°F 200427%0%
Aug 1284°F63°F93°F 201050°F 200427%0%
Aug 1384°F63°F97°F 200746°F 200427%0%
Aug 1484°F63°F92°F 201046°F 200427%0%
Aug 1584°F63°F95°F 200749°F 201327%0%
Aug 1684°F63°F96°F 200751°F 200427%0%
Aug 1784°F63°F94°F 200351°F 200427%0%
Aug 1883°F63°F89°F 200352°F 201227%0%
Aug 1983°F62°F91°F 200552°F 201227%0%
Aug 2083°F62°F92°F 200754°F 201227%0%
Aug 2183°F62°F94°F 200354°F 201227%0%
Aug 2283°F62°F97°F 200352°F 202427%0%
Aug 2383°F62°F94°F 200752°F 202427%0%
Aug 2483°F62°F95°F 201250°F 201526%0%
Aug 2583°F61°F99°F 202349°F 201526%0%
Aug 2682°F61°F96°F 201449°F 201526%0%
Aug 2782°F61°F102°F 200352°F 201526%0%
Aug 2882°F61°F97°F 200352°F 201526%0%
Aug 2982°F60°F97°F 201348°F 200426%0%
Aug 3082°F60°F91°F 201048°F 200426%0%
Aug 3182°F60°F98°F 201347°F 200926%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at McDonough County, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

August 1
sunrise 6:00 AM, sunset 8:17 PM
August 31
sunrise 6:29 AM, sunset 7:36 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00116970 (Prairie City 2S), public domain. Records: NOAA GHCN-Daily, station USC00116970, 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.