Knox County climate

Knox County Weather in August

NOAA 1991-2020 normals for Truscott 3 W, 20.2 km from Knox County

Average highs run from 99°F on August 1 to 93°F on August 31, and lows from 73°F to 69°F. Normal precipitation for the month is 2.05 in over about 5 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 Knox County, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
97°F
Average low
71°F
Precipitation
2.05 in
Record high
119°FAug 3, 1943
Record low
54°FAug 28, 1992
Chance of a freeze
0%
Days of 90°F or more
27.2
Daylight
13 h 48 min to 12 h 54 min
Cloud cover
42%
Humidity
51%
Dew point
64°F
Wind
9.2 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 199°F73°F110°F 194458°F 193615%0%
Aug 299°F73°F114°F 194457°F 197115%0%
Aug 399°F72°F119°F 194362°F 197115%0%
Aug 499°F72°F115°F 194460°F 197815%0%
Aug 599°F72°F110°F 194461°F 195315%0%
Aug 699°F72°F111°F 193762°F 199015%0%
Aug 799°F72°F113°F 196461°F 190415%0%
Aug 899°F72°F110°F 200358°F 198915%0%
Aug 999°F72°F110°F 194357°F 198915%0%
Aug 1098°F72°F112°F 193662°F 197415%0%
Aug 1198°F72°F113°F 193663°F 196815%0%
Aug 1298°F72°F114°F 193657°F 197915%0%
Aug 1398°F72°F110°F 194456°F 196715%0%
Aug 1498°F72°F110°F 195861°F 196015%0%
Aug 1598°F71°F109°F 194362°F 195515%0%
Aug 1697°F71°F112°F 194357°F 199415%0%
Aug 1797°F71°F109°F 195660°F 199415%0%
Aug 1897°F71°F109°F 194559°F 194315%0%
Aug 1997°F71°F108°F 194559°F 197815%0%
Aug 2097°F71°F109°F 194355°F 199215%0%
Aug 2196°F71°F107°F 193455°F 199216%0%
Aug 2296°F70°F108°F 198459°F 200716%0%
Aug 2396°F70°F105°F 193655°F 196116%0%
Aug 2495°F70°F107°F 196355°F 196616%0%
Aug 2595°F70°F108°F 193659°F 196616%0%
Aug 2695°F70°F108°F 195257°F 196616%0%
Aug 2794°F69°F108°F 195256°F 196216%0%
Aug 2894°F69°F106°F 195754°F 199217%0%
Aug 2994°F69°F108°F 195159°F 198717%0%
Aug 3094°F69°F108°F 194356°F 198817%0%
Aug 3193°F69°F107°F 195657°F 194417%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Knox County, in percent, and of at least 0.1 inch of snowfall.051015201102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

August 1
sunrise 6:51 AM, sunset 8:39 PM
August 31
sunrise 7:12 AM, sunset 8:06 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00419163 (Truscott 3 W), public domain. Records: NOAA GHCN-Daily, station USC00419346, 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.