Marshalltown climate

Marshalltown Weather in July

NOAA 1991-2020 normals for Marshalltown, 2.2 km from Marshalltown

Average highs run from 83°F on July 1 to 83°F on July 31, and lows from 62°F to 62°F. Normal precipitation for the month is 4.58 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 Marshalltown, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

July at a glance

Average high
84°F
Average low
63°F
Precipitation
4.58 in
Record high
102°FJul 25, 2012
Record low
44°FJul 12, 2008
Chance of a freeze
0%
Days of 90°F or more
5.6
Daylight
15 h 11 min to 14 h 27 min
Cloud cover
51%
Humidity
75%
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 183°F62°F94°F 201153°F 201333%0%
Jul 283°F62°F96°F 201252°F 200133%0%
Jul 383°F63°F97°F 201248°F 201433%0%
Jul 483°F63°F98°F 201250°F 201433%0%
Jul 584°F63°F97°F 201250°F 199732%0%
Jul 684°F63°F99°F 201252°F 199732%0%
Jul 784°F63°F93°F 201247°F 199732%0%
Jul 884°F63°F94°F 200251°F 200431%0%
Jul 984°F63°F91°F 201350°F 202331%0%
Jul 1084°F63°F89°F 202354°F 199731%0%
Jul 1184°F63°F90°F 201652°F 199931%0%
Jul 1284°F63°F92°F 201844°F 200831%0%
Jul 1384°F63°F93°F 201549°F 200730%0%
Jul 1484°F63°F93°F 201053°F 201430%0%
Jul 1584°F63°F92°F 201251°F 201430%0%
Jul 1684°F63°F94°F 201248°F 201430%0%
Jul 1784°F63°F96°F 201251°F 200930%0%
Jul 1884°F63°F97°F 201250°F 200930%0%
Jul 1984°F63°F95°F 201148°F 200930%0%
Jul 2084°F63°F95°F 199852°F 200930%0%
Jul 2184°F63°F93°F 200249°F 200029%0%
Jul 2284°F63°F99°F 201246°F 200029%0%
Jul 2384°F63°F100°F 201250°F 200329%0%
Jul 2484°F63°F94°F 201251°F 200329%0%
Jul 2583°F63°F102°F 201247°F 200429%0%
Jul 2683°F63°F94°F 202650°F 200429%0%
Jul 2783°F63°F93°F 202648°F 200429%0%
Jul 2883°F62°F96°F 202348°F 201329%0%
Jul 2983°F62°F96°F 199948°F 201329%0%
Jul 3083°F62°F96°F 200651°F 199729%0%
Jul 3183°F62°F97°F 200651°F 199729%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Marshalltown, 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 5:40 AM, sunset 8:51 PM
July 31
sunrise 6:04 AM, sunset 8:31 PM

Every day of July: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00135198 (Marshalltown), public domain. Records: NOAA GHCN-Daily, station USW00094988, 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.