Mattoon climate

Mattoon Weather in July

NOAA 1991-2020 normals for Mattoon, 2 km from Mattoon

Average highs run from 86°F on July 1 to 86°F on July 31, and lows from 67°F to 67°F. Normal precipitation for the month is 4.26 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 Mattoon, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

July at a glance

Average high
86°F
Average low
67°F
Precipitation
4.26 in
Record high
106°FJul 7, 2012
Record low
46°FJul 2, 2001
Chance of a freeze
0%
Days of 90°F or more
7.8
Daylight
14 h 55 min to 14 h 15 min
Cloud cover
50%
Humidity
76%
Dew point
67°F
Wind
7.4 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 186°F67°F99°F 201248°F 202432%0%
Jul 286°F67°F100°F 201246°F 200132%0%
Jul 386°F67°F97°F 201254°F 202132%0%
Jul 486°F67°F102°F 201257°F 201331%0%
Jul 586°F67°F104°F 201254°F 201431%0%
Jul 686°F67°F103°F 201253°F 200131%0%
Jul 786°F67°F106°F 201256°F 200631%0%
Jul 886°F67°F94°F 201257°F 201530%0%
Jul 986°F67°F97°F 200255°F 200730%0%
Jul 1086°F67°F93°F 201256°F 199930%0%
Jul 1186°F67°F94°F 201253°F 199929%0%
Jul 1286°F67°F93°F 201255°F 199929%0%
Jul 1386°F67°F92°F 201254°F 200129%0%
Jul 1486°F67°F90°F 201554°F 200129%0%
Jul 1586°F67°F93°F 201253°F 201428%0%
Jul 1686°F67°F96°F 201250°F 201128%0%
Jul 1786°F67°F99°F 201252°F 201428%0%
Jul 1886°F67°F102°F 201255°F 200828%0%
Jul 1986°F67°F99°F 201254°F 201427%0%
Jul 2086°F67°F96°F 201155°F 200727%0%
Jul 2186°F67°F98°F 201153°F 200727%0%
Jul 2286°F67°F96°F 199954°F 200027%0%
Jul 2386°F67°F102°F 201252°F 202627%0%
Jul 2486°F67°F101°F 201251°F 201427%0%
Jul 2586°F67°F103°F 201254°F 201326%0%
Jul 2686°F67°F96°F 200555°F 200426%0%
Jul 2786°F67°F96°F 201250°F 200426%0%
Jul 2886°F67°F97°F 202353°F 201326%0%
Jul 2986°F67°F97°F 199953°F 201326%0%
Jul 3086°F67°F99°F 199956°F 201726%0%
Jul 3186°F67°F100°F 201258°F 201426%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Mattoon, 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 5:30 AM, sunset 8:25 PM
July 31
sunrise 5:52 AM, sunset 8:07 PM

Every day of July: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00115430 (Mattoon), public domain. Records: NOAA GHCN-Daily, station USW00053802, 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.