Climateby Month

Lexington, KY weather in August

NOAA 1991-2020 normals and daily records · Lexington all year

Lexington is warm and often humid in August, with some rain: highs average 86°F and nights drop to about 65°F. Expect about 10 wet days. This is the peak of the warm season in Lexington.

Normal high
86°F
Normal low
65°F
Wet days
10
3.7 in total
Muggy days
16
dew point 65°F+

How August changes from start to finish

Normal values at the start and end of August
August 1August 31
Normal high87°F85°F
Normal low67°F63°F
Chance of a wet day33%28%
Sunrise / sunset6:40 am / 8:47 pm7:06 am / 8:09 pm
Daylight14.1 h13.0 h

Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).

A typical August day

  1. 6 am67°Fdew point 63°F
  2. 9 am75°Fdew point 66°F
  3. Noon81°Fdew point 65°F
  4. 3 pm83°Fdew point 64°F
  5. 6 pm81°Fdew point 64°F
  6. 9 pm74°Fdew point 65°F

NOAA hourly normals (local standard time) from Lexington Bluegrass Airport (8 mi away); average wind 6 mph; clear or few clouds in 61% of daytime hours, mostly cloudy or overcast in 25%.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F2 of 31
  • Hot dayshigh 90°F or more8 of 31
  • Muggy daysdaily mean dew point 65°F or more16 of 31
  • Wet daysat least 0.01 in of rain or melted snow10 of 31
  • Notable rainat least 0.10 in7 of 31
  • Freezing nightslow 32°F or below0 of 31
  • Snow on the groundsnow depth 1 in or more0 of 31

Average days per August, counted from daily records for each year 1991-2020.

Rain in August

Normal precipitation is 3.7 in; a dry August brings about 2.4 in and a wet one about 4.7 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more.

How August varies from year to year

  • Warmest August, 1991-20202007: average high 92°F
  • Coolest August1992: average high 80°F
  • Wettest August2014: 9.6 in
  • Driest August1998: 0.3 in
  • Highest reading102°F (August 16, 2007)
  • Lowest reading49°F (August 13, 2004)

From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.

August compared with July and September

JulyAugustSeptember
Normal high87°F86°F80°F
Normal low67°F65°F58°F
Wet days11108
Comfortable days2210
Daylight14.5 h13.6 h12.4 h

Highs change by -1°F from July and -6°F into September.

Nearby alternatives in August

How Lexington ranks in August

  • Normal high189th warmest of 378 cities; 3rd of 3 in Kentucky
  • Wet days234th driest of 378
  • Comfortable days169th most of 341

What to pack for Lexington in August

  • Light, breathable clothing – highs near 86°F and about 16 muggy days
  • A rain jacket or umbrella – rain on about 10 days

Heating and cooling

August has 1 heating degree days and 333 cooling degree days (base 65°F), 6% of the year's total heating and cooling demand.

Questions

How hot is Lexington in August?

The normal high is 86°F and the normal low is 65°F. From 1991 to 2020 the hottest August reading was 102°F (August 16, 2007).

Does it rain a lot in Lexington in August?

About 10 days in August have at least 0.01 in of precipitation, and the normal total is 3.7 in. The wettest August in 1991-2020 was in 2014 (9.6 in); the driest was in 1998 (0.3 in).

Is August a good time to visit Lexington?

August ranks 8th of 12 months on our comfort score for Lexington (49 out of 100). It has about 2 comfortable days and about 8 days at 90°F or hotter. The best months are April, May and October.

Where the numbers come from

  • Temperature, rain, snowfall, snow depth, frost dates, humidity and wind by hour and cloud cover: Lexington Bluegrass Airport (USW00093820), 8.0 mi W of the city center, 980 ft . NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Blue Grass Airport (724220-93820), 8.4 mi W of the city center, 962 ft . Hourly observations, 1991-2020.