Grimes climate

Grimes Weather in July

NOAA 1991-2020 normals for Des Moines Wsfo-Johnston, 7.8 km from Grimes

Average highs run from 84°F on July 1 to 85°F on July 31, and lows from 65°F to 66°F. Normal precipitation for the month is 4.27 in over about 9 wet days.

July day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Grimes, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

July at a glance

Average high
85°F
Average low
66°F
Precipitation
4.27 in
Record high
105°FJul 20, 2011
Record low
42°FJul 25, 2002
Chance of a freeze
0%
Days of 90°F or more
7.8
Daylight
15 h 08 min to 14 h 25 min
Cloud cover
49%
Humidity
71%
Dew point
65°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
Jul 184°F65°F101°F 201146°F 199533%0%
Jul 284°F65°F100°F 201148°F 196833%0%
Jul 384°F65°F96°F 197447°F 196733%0%
Jul 484°F65°F99°F 197746°F 196732%0%
Jul 584°F65°F100°F 197743°F 197232%0%
Jul 684°F65°F100°F 197749°F 197232%0%
Jul 785°F66°F101°F 197749°F 197232%0%
Jul 885°F66°F97°F 198951°F 195331%0%
Jul 985°F66°F98°F 198952°F 195331%0%
Jul 1085°F66°F98°F 198946°F 199631%0%
Jul 1185°F66°F98°F 195453°F 197831%0%
Jul 1285°F66°F101°F 195752°F 197531%0%
Jul 1385°F66°F101°F 199550°F 195031%0%
Jul 1485°F66°F102°F 198047°F 197530%0%
Jul 1585°F66°F101°F 197750°F 196730%0%
Jul 1685°F66°F98°F 195752°F 195830%0%
Jul 1785°F66°F99°F 200651°F 201430%0%
Jul 1885°F66°F102°F 201154°F 197930%0%
Jul 1985°F66°F104°F 201154°F 197930%0%
Jul 2085°F66°F105°F 201150°F 197030%0%
Jul 2185°F66°F103°F 201148°F 197030%0%
Jul 2285°F66°F100°F 197451°F 200030%0%
Jul 2385°F66°F100°F 200151°F 197031%0%
Jul 2485°F66°F99°F 200553°F 200031%0%
Jul 2585°F66°F98°F 199942°F 200231%0%
Jul 2685°F66°F102°F 195649°F 196231%0%
Jul 2785°F66°F99°F 195547°F 197131%0%
Jul 2885°F66°F99°F 201150°F 197131%0%
Jul 2985°F66°F98°F 195549°F 197131%0%
Jul 3085°F66°F103°F 199944°F 197131%0%
Jul 3185°F66°F101°F 198844°F 197131%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Grimes, 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).

July 1
sunrise 5:45 AM, sunset 8:53 PM
July 31
sunrise 6:09 AM, sunset 8:34 PM

Every day of July: 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.