Doon climate

Doon Weather in August

NOAA 1991-2020 normals for Rock Rapids, 17.6 km from Doon

Average highs run from 84°F on August 1 to 80°F on August 31, and lows from 61°F to 55°F. Normal precipitation for the month is 3.12 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 Doon, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
82°F
Average low
59°F
Precipitation
3.12 in
Record high
109°FAug 3, 1930
Record low
37°FAug 28, 1986
Chance of a freeze
0%
Days of 90°F or more
3.9
Daylight
14 h 32 min to 13 h 13 min
Cloud cover
50%
Humidity
66%
Dew point
58°F
Wind
9.2 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 184°F61°F100°F 195547°F 199526%0%
Aug 284°F61°F100°F 193046°F 190726%0%
Aug 384°F61°F109°F 193047°F 196627%0%
Aug 484°F61°F105°F 193442°F 197827%0%
Aug 584°F61°F102°F 193441°F 199427%0%
Aug 684°F61°F98°F 193844°F 199027%0%
Aug 784°F61°F96°F 198846°F 197627%0%
Aug 884°F61°F99°F 193045°F 190427%0%
Aug 983°F61°F96°F 192842°F 196627%0%
Aug 1083°F60°F97°F 197643°F 190427%0%
Aug 1183°F60°F97°F 193542°F 190227%0%
Aug 1283°F60°F94°F 198843°F 196427%0%
Aug 1383°F60°F99°F 193839°F 196427%0%
Aug 1483°F60°F98°F 198841°F 200427%0%
Aug 1583°F60°F103°F 193642°F 199227%0%
Aug 1682°F59°F101°F 198847°F 197027%0%
Aug 1782°F59°F99°F 192239°F 201227%0%
Aug 1882°F59°F99°F 198342°F 200227%0%
Aug 1982°F59°F98°F 198339°F 200426%0%
Aug 2082°F59°F98°F 193843°F 197026%0%
Aug 2182°F58°F95°F 193840°F 200426%0%
Aug 2282°F58°F99°F 191440°F 192326%0%
Aug 2381°F58°F98°F 193642°F 190426%0%
Aug 2481°F58°F108°F 193639°F 193426%0%
Aug 2581°F57°F102°F 193642°F 201526%0%
Aug 2681°F57°F101°F 195540°F 191026%0%
Aug 2781°F57°F100°F 195540°F 196726%0%
Aug 2880°F56°F98°F 195537°F 198626%0%
Aug 2980°F56°F100°F 201242°F 190926%0%
Aug 3080°F56°F102°F 201239°F 191525%0%
Aug 3180°F55°F102°F 201238°F 200925%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Doon, 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 6:15 AM, sunset 8:47 PM
August 31
sunrise 6:48 AM, sunset 8:01 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00137147 (Rock Rapids), public domain. Records: NOAA GHCN-Daily, station USC00137700, 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.