Granger climate

Granger Weather in August

NOAA 1991-2020 normals for Des Moines Wsfo-Johnston, 8.8 km from Granger

Average highs run from 85°F on August 1 to 81°F on August 31, and lows from 65°F to 61°F. Normal precipitation for the month is 3.97 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 Granger, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
83°F
Average low
64°F
Precipitation
3.97 in
Record high
106°FAug 16, 1983
Record low
39°FAug 20, 1950
Chance of a freeze
0%
Days of 90°F or more
4.3
Daylight
14 h 23 min to 13 h 10 min
Cloud cover
51%
Humidity
70%
Dew point
61°F
Wind
8.3 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 185°F65°F101°F 200653°F 196831%0%
Aug 285°F65°F105°F 201152°F 195032%0%
Aug 384°F65°F99°F 198849°F 199732%0%
Aug 484°F65°F98°F 200848°F 197832%0%
Aug 584°F65°F96°F 200848°F 195732%0%
Aug 684°F65°F97°F 197947°F 200832%0%
Aug 784°F65°F99°F 198848°F 198932%0%
Aug 884°F65°F96°F 200150°F 197632%0%
Aug 984°F65°F99°F 201048°F 197232%0%
Aug 1084°F65°F97°F 198349°F 196732%0%
Aug 1184°F65°F97°F 198847°F 198232%0%
Aug 1284°F65°F96°F 201047°F 196432%0%
Aug 1383°F64°F97°F 201046°F 196432%0%
Aug 1483°F64°F102°F 198849°F 199432%0%
Aug 1583°F64°F102°F 198846°F 199432%0%
Aug 1683°F64°F106°F 198347°F 199432%0%
Aug 1783°F64°F103°F 198850°F 201332%0%
Aug 1883°F64°F103°F 198342°F 200232%0%
Aug 1983°F63°F99°F 198346°F 200431%0%
Aug 2083°F63°F99°F 198339°F 195031%0%
Aug 2182°F63°F100°F 200347°F 195031%0%
Aug 2282°F63°F94°F 197547°F 199931%0%
Aug 2382°F63°F96°F 201046°F 196631%0%
Aug 2482°F62°F96°F 198346°F 196631%0%
Aug 2582°F62°F100°F 200344°F 195830%0%
Aug 2682°F62°F103°F 200346°F 196430%0%
Aug 2781°F62°F98°F 195545°F 197130%0%
Aug 2881°F61°F100°F 198442°F 198630%0%
Aug 2981°F61°F98°F 198445°F 198830%0%
Aug 3081°F61°F96°F 195348°F 197430%0%
Aug 3181°F61°F102°F 201343°F 199229%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Granger, 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 6:10 AM, sunset 8:33 PM
August 31
sunrise 6:40 AM, sunset 7:50 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00132209 (Des Moines Wsfo-Johnston), public domain. Records: NOAA GHCN-Daily, station USC00130241, 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.