Runnells climate

Runnells Weather in August

NOAA 1991-2020 normals for Des Moines 17 E, 7.8 km from Runnells

Average highs run from 84°F on August 1 to 80°F on August 31, and lows from 64°F to 58°F. Normal precipitation for the month is 4.22 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 Runnells, 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
61°F
Precipitation
4.22 in
Record high
108°FAug 16, 1983
Record low
40°FAug 20, 1950
Chance of a freeze
0%
Days of 90°F or more
3.3
Daylight
14 h 23 min to 13 h 09 min
Cloud cover
51%
Humidity
70%
Dew point
62°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 184°F64°F101°F 198755°F 196833%0%
Aug 283°F64°F100°F 196453°F 195033%0%
Aug 383°F64°F102°F 194754°F 198634%0%
Aug 483°F64°F102°F 195451°F 197834%0%
Aug 583°F64°F100°F 194751°F 195734%0%
Aug 683°F63°F99°F 202253°F 198934%0%
Aug 783°F63°F100°F 198848°F 198934%0%
Aug 883°F63°F97°F 198853°F 197634%0%
Aug 983°F63°F100°F 194750°F 197234%0%
Aug 1083°F63°F101°F 198352°F 196734%0%
Aug 1183°F63°F98°F 194750°F 198634%0%
Aug 1283°F63°F99°F 197548°F 196434%0%
Aug 1383°F62°F99°F 196548°F 196434%0%
Aug 1482°F62°F104°F 198851°F 199434%0%
Aug 1582°F62°F104°F 198850°F 199234%0%
Aug 1682°F62°F108°F 198352°F 199234%0%
Aug 1782°F62°F104°F 198852°F 201234%0%
Aug 1882°F61°F104°F 198350°F 197734%0%
Aug 1982°F61°F101°F 198349°F 195034%0%
Aug 2082°F61°F100°F 194740°F 195033%0%
Aug 2182°F61°F99°F 194747°F 195033%0%
Aug 2281°F60°F98°F 194752°F 195133%0%
Aug 2381°F60°F100°F 202348°F 196633%0%
Aug 2481°F60°F100°F 200350°F 196633%0%
Aug 2581°F60°F101°F 198345°F 195833%0%
Aug 2681°F59°F104°F 198347°F 202532%0%
Aug 2781°F59°F99°F 195545°F 198632%0%
Aug 2880°F59°F100°F 198441°F 198632%0%
Aug 2980°F58°F99°F 198343°F 194632%0%
Aug 3080°F58°F104°F 201349°F 194632%0%
Aug 3180°F58°F97°F 200045°F 196731%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Runnells, 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 (CDT).

August 1
sunrise 6:08 AM, sunset 8:31 PM
August 31
sunrise 6:39 AM, sunset 7:48 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00054902 (Des Moines 17 E), public domain. Records: NOAA GHCN-Daily, station USW00014933, 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.