Johnson County climate

Johnson County Weather in August

NOAA 1991-2020 normals for Dixon Springs Agric Ctr, 19 km from Johnson County

Average highs run from 88°F on August 1 to 86°F on August 31, and lows from 66°F to 63°F. Normal precipitation for the month is 3.65 in over about 6 wet days.

August day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Johnson County, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
87°F
Average low
65°F
Precipitation
3.65 in
Record high
103°FAug 15, 1965
Record low
42°FAug 29, 1986
Chance of a freeze
0%
Days of 90°F or more
13.3
Daylight
14 h 03 min to 13 h 01 min
Cloud cover
47%
Humidity
70%
Dew point
65°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
Aug 188°F66°F100°F 199953°F 197124%0%
Aug 288°F66°F99°F 201256°F 197724%0%
Aug 388°F66°F101°F 196454°F 196524%0%
Aug 488°F66°F102°F 196453°F 197223%0%
Aug 588°F66°F102°F 200254°F 198623%0%
Aug 688°F66°F97°F 196254°F 199423%0%
Aug 788°F66°F98°F 196253°F 199023%0%
Aug 888°F66°F99°F 198052°F 198923%0%
Aug 988°F66°F101°F 198053°F 197623%0%
Aug 1088°F66°F99°F 198052°F 197222%0%
Aug 1188°F66°F100°F 201054°F 196722%0%
Aug 1288°F65°F101°F 199952°F 196722%0%
Aug 1388°F65°F100°F 201047°F 200822%0%
Aug 1488°F65°F99°F 201052°F 196721%0%
Aug 1588°F65°F103°F 196549°F 200421%0%
Aug 1688°F65°F100°F 196550°F 200421%0%
Aug 1788°F65°F103°F 200752°F 196321%0%
Aug 1888°F65°F99°F 196554°F 200821%0%
Aug 1987°F65°F99°F 200556°F 198220%0%
Aug 2087°F65°F100°F 196254°F 196720%0%
Aug 2187°F64°F100°F 198354°F 196720%0%
Aug 2287°F64°F101°F 198354°F 197820%0%
Aug 2387°F64°F99°F 200754°F 199720%0%
Aug 2487°F64°F100°F 200754°F 199719%0%
Aug 2587°F64°F100°F 200749°F 199719%0%
Aug 2687°F64°F100°F 198354°F 196819%0%
Aug 2787°F63°F98°F 198351°F 196819%0%
Aug 2886°F63°F98°F 198349°F 196719%0%
Aug 2986°F63°F103°F 200042°F 198619%0%
Aug 3086°F63°F95°F 198343°F 198619%0%
Aug 3186°F63°F94°F 199548°F 199819%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Johnson County, in percent, and of at least 0.1 inch of snowfall.05101520251102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

August 1
sunrise 6:00 AM, sunset 8:03 PM
August 31
sunrise 6:25 AM, sunset 7:26 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00112353 (Dixon Springs Agric Ctr), public domain. Records: NOAA GHCN-Daily, station USC00110993, 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.