McLean County climate

McLean County Weather in July

NOAA 1991-2020 normals for Calhoun Lock 2, 0.4 km from McLean County

Average highs run from 87°F on July 1 to 87°F on July 31, and lows from 67°F to 68°F. Normal precipitation for the month is 4.16 in over about 8 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 McLean County, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

July at a glance

Average high
87°F
Average low
68°F
Precipitation
4.16 in
Record high
105°FJul 13, 1966
Record low
47°FJul 27, 1962
Chance of a freeze
0%
Days of 90°F or more
11.3
Daylight
14 h 42 min to 14 h 06 min
Cloud cover
51%
Humidity
76%
Dew point
69°F
Wind
5.8 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 187°F67°F102°F 201254°F 197626%0%
Jul 287°F67°F101°F 201255°F 195926%0%
Jul 387°F68°F98°F 195454°F 195926%0%
Jul 487°F68°F98°F 200248°F 196826%0%
Jul 587°F68°F100°F 201249°F 196826%0%
Jul 687°F68°F100°F 201249°F 197226%0%
Jul 787°F68°F101°F 201251°F 197226%0%
Jul 887°F68°F102°F 198854°F 195026%0%
Jul 987°F68°F102°F 198855°F 196126%0%
Jul 1087°F68°F102°F 199052°F 196326%0%
Jul 1187°F68°F98°F 196650°F 196326%0%
Jul 1287°F68°F102°F 196653°F 195325%0%
Jul 1387°F68°F105°F 196655°F 195925%0%
Jul 1487°F68°F104°F 196650°F 197525%0%
Jul 1587°F68°F101°F 198853°F 197525%0%
Jul 1687°F68°F102°F 198253°F 196725%0%
Jul 1787°F68°F102°F 198854°F 197625%0%
Jul 1887°F68°F99°F 195455°F 197625%0%
Jul 1987°F68°F99°F 201255°F 197625%0%
Jul 2087°F68°F100°F 198356°F 200925%0%
Jul 2187°F68°F101°F 198352°F 201425%0%
Jul 2287°F68°F101°F 198352°F 196625%0%
Jul 2387°F68°F101°F 198354°F 200724%0%
Jul 2487°F68°F100°F 196554°F 201424%0%
Jul 2587°F68°F100°F 201253°F 195224%0%
Jul 2687°F68°F102°F 195257°F 195324%0%
Jul 2787°F68°F105°F 195247°F 196224%0%
Jul 2887°F68°F104°F 195250°F 196224%0%
Jul 2987°F68°F100°F 199954°F 201424%0%
Jul 3087°F68°F104°F 199949°F 196524%0%
Jul 3187°F68°F103°F 199949°F 197123%0%

Chance of rain

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

July 1
sunrise 5:32 AM, sunset 8:14 PM
July 31
sunrise 5:52 AM, sunset 7:58 PM

Every day of July: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00151227 (Calhoun Lock 2), public domain. Records: NOAA GHCN-Daily, station USC00155067, 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.