Knox County climate

Knox County Weather in August

NOAA 1991-2020 normals for Tenants Harbor, 11.8 km from Knox County

Average highs run from 75°F on August 1 to 72°F on August 31, and lows from 57°F to 55°F. Normal precipitation for the month is 2.85 in over about 10 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.405060708090151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
74°F
Average low
57°F
Precipitation
2.85 in
Record high
89°FAug 27, 2018
Record low
45°FAug 27, 1989
Chance of a freeze
0%
Daylight
14 h 35 min to 13 h 15 min
Cloud cover
57%
Humidity
88%
Dew point
59°F
Wind
7.8 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 175°F57°F84°F 201752°F 200035%0%
Aug 275°F57°F88°F 200653°F 199235%0%
Aug 375°F57°F83°F 201852°F 201635%0%
Aug 475°F57°F79°F 199855°F 200535%0%
Aug 575°F57°F81°F 201854°F 200035%0%
Aug 675°F57°F87°F 201852°F 201334%0%
Aug 775°F57°F87°F 201850°F 199434%0%
Aug 875°F57°F83°F 199550°F 199534%0%
Aug 975°F57°F82°F 201849°F 198934%0%
Aug 1075°F57°F81°F 201852°F 198933%0%
Aug 1175°F57°F84°F 201652°F 199433%0%
Aug 1275°F57°F85°F 201650°F 199633%0%
Aug 1375°F57°F81°F 199547°F 199233%0%
Aug 1474°F57°F85°F 201650°F 199633%0%
Aug 1574°F57°F82°F 201651°F 199732%0%
Aug 1674°F57°F84°F 200353°F 201732%0%
Aug 1774°F57°F88°F 200250°F 201732%0%
Aug 1874°F57°F79°F 200951°F 200032%0%
Aug 1974°F57°F82°F 200250°F 199532%0%
Aug 2074°F57°F80°F 201747°F 200731%0%
Aug 2174°F56°F79°F 201747°F 199031%0%
Aug 2274°F56°F81°F 199248°F 199031%0%
Aug 2374°F56°F81°F 200950°F 199331%0%
Aug 2473°F56°F79°F 201650°F 200331%0%
Aug 2573°F56°F76°F 201646°F 198931%0%
Aug 2673°F56°F81°F 201647°F 201730%0%
Aug 2773°F56°F89°F 201845°F 198930%0%
Aug 2873°F56°F84°F 201846°F 201730%0%
Aug 2973°F55°F88°F 201846°F 201730%0%
Aug 3072°F55°F87°F 201048°F 200130%0%
Aug 3172°F55°F87°F 201046°F 201730%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.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

August 1
sunrise 5:25 AM, sunset 8:00 PM
August 31
sunrise 5:59 AM, sunset 7:14 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00176881 (Tenants Harbor), public domain. Records: NOAA GHCN-Daily, station USC00176881, 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.