Jackson weather in August: Jackson, Tennessee: normal highs, lows, rain and records for August

Jackson in August has a normal high of 90°F and a normal low of 67°F, a daily mean of 78°F, falling from 90°F on the 1st to 88°F by the 31st. Measurable precipitation falls on 8 days in a normal August, 3.53 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 32°C and low of 19°C, 90 mm of precipitation in August.

  • NOAA stationJackson McKellar Airport
  • Station IDUSW00003811
  • Location35.59°N 88.92°W
  • Elevation433 ft (132 m)
  • Population69,303
  1. Jan 49° 29°
  2. Feb 53° 33°
  3. Mar 62° 40°
  4. Apr 72° 48°
  5. May 80° 58°
  6. Jun 87° 66°
  7. Jul 90° 69°
  8. Aug 90° 67°
  9. Sep 84° 60°
  10. Oct 73° 48°
  11. Nov 61° 38°
  12. Dec 51° 32°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Jackson in August?

The normal high is 90°F and the normal low 67°F, for a daily mean of 78.3°F. August is 1.2°F cooler than July and 6.6°F warmer than September. August is the 2nd warmest month of the year in Jackson and the 12th wettest. Across the month the normal high falls 2°F, from 90°F on August 1 to 88°F on August 31. From one year to the next August's mean temperature typically moves about 2.5°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 76°F and 81°F.

Jackson in August, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 28%).

Normal high and low on five days of August, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
August 190°F69°F28%19%
August 890°F68°F27%19%
August 1590°F68°F25%17%
August 2289°F66°F24%16%
August 3188°F64°F23%15%
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 31)
Jackson: NOAA 1991-2020 daily normals for each day of August
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
August 190°F69°F28%19%14 h
August 290°F69°F28%19%14 h
August 390°F69°F28%19%13 h 50 min
August 490°F69°F28%19%13 h 50 min
August 590°F69°F28%19%13 h 50 min
August 690°F68°F27%19%13 h 50 min
August 790°F68°F27%19%13 h 50 min
August 890°F68°F27%19%13 h 50 min
August 990°F68°F27%18%13 h 40 min
August 1090°F68°F26%18%13 h 40 min
August 1190°F68°F26%18%13 h 40 min
August 1290°F68°F26%18%13 h 40 min
August 1390°F68°F26%18%13 h 40 min
August 1490°F68°F26%17%13 h 30 min
August 1590°F68°F25%17%13 h 30 min
August 1690°F67°F25%17%13 h 30 min
August 1790°F67°F25%17%13 h 30 min
August 1890°F67°F25%17%13 h 30 min
August 1990°F67°F24%16%13 h 20 min
August 2089°F67°F24%16%13 h 20 min
August 2189°F67°F24%16%13 h 20 min
August 2289°F66°F24%16%13 h 20 min
August 2389°F66°F24%16%13 h 20 min
August 2489°F66°F23%16%13 h 10 min
August 2589°F66°F23%15%13 h 10 min
August 2689°F66°F23%15%13 h 10 min
August 2789°F65°F23%15%13 h 10 min
August 2888°F65°F23%15%13 h 10 min
August 2988°F65°F23%15%13 h
August 3088°F65°F23%15%13 h
August 3188°F64°F23%15%13 h
Normal high
90°FAugust average
Normal low
67°FAugust average
Precipitation
3.53 inmonth total
Days with precipitation
80.01 inch or more
Days at 90°F or more
17
Daylight
14 h to 13 hAugust 1 to August 31
Days at 70°F or more
31
Days at 80°F or more
30
Sunshine
82%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00003811; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Jackson in August?

On a given August day the chance of 0.01 inch or more is 25% on average, highest around August 1 (28%). In all, 3.53 in falls on 8 days of a normal August, 1 of them with an inch or more.

In a normal August in Jackson, 17 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00003811.

How humid and windy is Jackson in August?

At 3 p.m. the normal temperature is 87°F with 52% relative humidity and a dew point of 67°F; at 6 a.m. it is 68°F with 92% humidity. The wind averages 4.4 mph, most often from the north-northeast in the afternoon. A dew point of 65°F or more feels muggy to most people.

A normal August day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.68°F65°F92%2.6 mph76%
9 a.m.79°F69°F71%5.8 mph75%
noon85°F68°F56%6.9 mph61%
3 p.m.87°F67°F52%6.8 mph67%
6 p.m.81°F69°F66%4.5 mph78%
9 p.m.73°F68°F84%2.8 mph87%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00003811. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).

What are the records for August in Jackson?

The warmest August temperature on this station's record (since 1948) is 106°F, on August 16, 2007; the coldest is 47°F, on August 14, 2004. The wettest August brought 10.24 in (1974).

The August mean against the 1991-2020 normal of 78.3°F: 2021 78.8°F (+0.5), 2022 78.0°F (−0.3), 2023 78.0°F (−0.3), 2024 79.7°F (+1.4), 2025 78.5°F (+0.2), 2026 79.9°F (+1.6). 4 of 6 ran warmer than normal.

Jackson: August in recent years against the 1991-2020 normal
AugustMeanAgainst normalPrecip.
202178.8°F+0.5°F7.10 in
202278.0°F−0.3°F7.31 in
202378.0°F−0.3°F5.70 in
202479.7°F+1.4°F0.62 in
202578.5°F+0.2°F0.49 in
202679.9°F+1.6°F2.30 in

Source: records: ACIS, station USW00003811; recent months: ACIS, station USW00003811. Records and recent months use complete months only.

How does August in Jackson compare across Tennessee?

Across the 116 places PlainClimate covers in Tennessee, August normal highs run from 78°F in Roan Mountain to 92°F in Memphis; Jackson's is 90°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places