Jefferson County climate

Jefferson County Weather in August

NOAA 1991-2020 normals for Louisville 1 E, 5.3 km from Jefferson County

Average highs run from 91°F on August 1 to 88°F on August 31, and lows from 71°F to 68°F. Normal precipitation for the month is 4.93 in over about 11 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 Jefferson County, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
90°F
Average low
70°F
Precipitation
4.93 in
Record high
107°FAug 11, 2007
Record low
52°FAug 15, 1983
Chance of a freeze
0%
Days of 90°F or more
19.9
Daylight
13 h 46 min to 12 h 52 min
Cloud cover
56%
Humidity
71%
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
Aug 191°F71°F106°F 199959°F 196634%0%
Aug 291°F71°F101°F 198059°F 194634%0%
Aug 391°F71°F101°F 198060°F 196634%0%
Aug 491°F71°F104°F 195457°F 194634%0%
Aug 591°F71°F102°F 195457°F 194634%0%
Aug 691°F71°F102°F 195457°F 200434%0%
Aug 791°F70°F101°F 195355°F 200434%0%
Aug 891°F70°F103°F 200757°F 195734%0%
Aug 990°F70°F104°F 200759°F 195734%0%
Aug 1090°F70°F105°F 200760°F 200234%0%
Aug 1190°F70°F107°F 200762°F 194434%0%
Aug 1290°F70°F102°F 199962°F 198934%0%
Aug 1390°F70°F101°F 199960°F 197934%0%
Aug 1490°F70°F101°F 199956°F 196734%0%
Aug 1590°F70°F101°F 191852°F 198333%0%
Aug 1690°F70°F104°F 195454°F 198333%0%
Aug 1790°F70°F106°F 195456°F 198333%0%
Aug 1890°F70°F103°F 195456°F 197933%0%
Aug 1989°F70°F100°F 195456°F 197933%0%
Aug 2089°F70°F99°F 194658°F 199832%0%
Aug 2189°F69°F102°F 200752°F 194332%0%
Aug 2289°F69°F105°F 198356°F 191832%0%
Aug 2389°F69°F105°F 198355°F 196932%0%
Aug 2489°F69°F103°F 196855°F 196931%0%
Aug 2589°F69°F102°F 196855°F 196931%0%
Aug 2689°F69°F103°F 196856°F 194630%0%
Aug 2788°F69°F105°F 195459°F 190430%0%
Aug 2888°F69°F104°F 195460°F 192130%0%
Aug 2988°F68°F101°F 194854°F 196829%0%
Aug 3088°F68°F101°F 194855°F 196829%0%
Aug 3188°F68°F103°F 194853°F 199929%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Jefferson 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 (EDT).

August 1
sunrise 6:43 AM, sunset 8:29 PM
August 31
sunrise 7:04 AM, sunset 7:56 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00095314 (Louisville 1 E), public domain. Records: NOAA GHCN-Daily, station USC00099194, 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.