McLean County climate

McLean County Weather in June

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

Average highs run from 81°F on June 1 to 87°F on June 30, and lows from 61°F to 67°F. Normal precipitation for the month is 4.14 in over about 9 wet days.

June 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

June at a glance

Average high
84°F
Average low
65°F
Precipitation
4.14 in
Record high
105°FJun 28, 2012
Record low
41°FJun 2, 1956
Chance of a freeze
0%
Days of 90°F or more
6.3
Daylight
14 h 36 min to 14 h 43 min
Cloud cover
54%
Humidity
79%
Dew point
67°F
Wind
6.5 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
Jun 181°F61°F95°F 195142°F 196631%0%
Jun 281°F62°F95°F 195141°F 195631%0%
Jun 382°F62°F93°F 200246°F 195631%0%
Jun 482°F62°F94°F 201145°F 196431%0%
Jun 582°F62°F95°F 197744°F 195431%0%
Jun 682°F63°F93°F 197749°F 197630%0%
Jun 783°F63°F94°F 200848°F 200030%0%
Jun 883°F63°F95°F 196346°F 197730%0%
Jun 983°F63°F95°F 195348°F 198030%0%
Jun 1083°F64°F94°F 196345°F 197730%0%
Jun 1184°F64°F97°F 197746°F 197230%0%
Jun 1284°F64°F96°F 197745°F 198029%0%
Jun 1384°F64°F96°F 202247°F 198529%0%
Jun 1484°F65°F95°F 195248°F 196829%0%
Jun 1584°F65°F100°F 195249°F 195929%0%
Jun 1685°F65°F96°F 201651°F 196129%0%
Jun 1785°F65°F96°F 200750°F 196129%0%
Jun 1885°F66°F96°F 200747°F 196029%0%
Jun 1985°F66°F97°F 195252°F 196528%0%
Jun 2085°F66°F99°F 195348°F 198028%0%
Jun 2186°F66°F99°F 198849°F 199228%0%
Jun 2286°F66°F101°F 198845°F 199228%0%
Jun 2386°F66°F102°F 198845°F 197228%0%
Jun 2486°F67°F101°F 198847°F 197228%0%
Jun 2586°F67°F102°F 198846°F 197927%0%
Jun 2686°F67°F101°F 195448°F 197927%0%
Jun 2787°F67°F101°F 195453°F 196127%0%
Jun 2887°F67°F105°F 201251°F 196827%0%
Jun 2987°F67°F105°F 201254°F 197427%0%
Jun 3087°F67°F105°F 195251°F 195027%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.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

June 1
sunrise 5:29 AM, sunset 8:05 PM
June 30
sunrise 5:31 AM, sunset 8:14 PM

Every day of June: 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.