Williamson County climate

Williamson County Weather in July

NOAA 1991-2020 normals for Carbondale Sewage Plt, 20.7 km from Williamson County

Average highs run from 88°F on July 1 to 88°F on July 31, and lows from 67°F to 67°F. Normal precipitation for the month is 4.12 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 Williamson County, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

July at a glance

Average high
88°F
Average low
68°F
Precipitation
4.12 in
Record high
112°FJul 14, 1936
Record low
42°FJul 6, 1972
Chance of a freeze
0%
Days of 90°F or more
13.4
Daylight
14 h 43 min to 14 h 06 min
Cloud cover
50%
Humidity
76%
Dew point
69°F
Wind
5.6 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 188°F67°F106°F 193147°F 190431%0%
Jul 288°F67°F106°F 201247°F 190431%0%
Jul 388°F68°F105°F 192650°F 192431%0%
Jul 488°F68°F104°F 191148°F 192231%0%
Jul 588°F68°F105°F 201249°F 194030%0%
Jul 688°F68°F107°F 201242°F 197230%0%
Jul 788°F68°F108°F 201249°F 197230%0%
Jul 888°F68°F104°F 193949°F 190430%0%
Jul 988°F68°F102°F 191450°F 191830%0%
Jul 1088°F68°F103°F 190149°F 196130%0%
Jul 1188°F68°F109°F 190150°F 195330%0%
Jul 1288°F68°F106°F 191451°F 194030%0%
Jul 1388°F68°F111°F 193650°F 195930%0%
Jul 1488°F68°F112°F 193650°F 195029%0%
Jul 1588°F68°F105°F 193648°F 193029%0%
Jul 1688°F68°F102°F 191448°F 193029%0%
Jul 1788°F68°F105°F 190152°F 193029%0%
Jul 1888°F68°F104°F 191353°F 198429%0%
Jul 1988°F68°F105°F 193052°F 195929%0%
Jul 2088°F68°F106°F 190152°F 190429%0%
Jul 2188°F68°F110°F 190153°F 194429%0%
Jul 2288°F68°F112°F 190144°F 194729%0%
Jul 2388°F68°F112°F 190143°F 194729%0%
Jul 2488°F68°F112°F 193448°F 194729%0%
Jul 2588°F67°F112°F 193453°F 190429%0%
Jul 2688°F67°F106°F 193050°F 190429%0%
Jul 2788°F67°F110°F 193045°F 196229%0%
Jul 2888°F67°F112°F 193049°F 201329%0%
Jul 2988°F67°F102°F 192650°F 192529%0%
Jul 3088°F67°F105°F 194051°F 198429%0%
Jul 3188°F67°F106°F 194049°F 197129%0%

Chance of rain

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

July 1
sunrise 5:38 AM, sunset 8:21 PM
July 31
sunrise 5:59 AM, sunset 8:05 PM

Every day of July: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00111265 (Carbondale Sewage Plt), public domain. Records: NOAA GHCN-Daily, station USC00111265, 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.