Climateby Month

Topeka, KS weather in August

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

In August, Topeka sees highs around 89°F and lows around 67°F: hot and humid, with some rain. Rain falls on about 9 days. It is one of the warmest months in Topeka.

Normal high
89°F
Normal low
67°F
Wet days
9
4.5 in total
Muggy days
20
dew point 65°F+

How August changes from start to finish

Normal values at the start and end of August
August 1August 31
Normal high91°F86°F
Normal low69°F63°F
Chance of a wet day29%28%
Sunrise / sunset6:23 am / 8:34 pm6:50 am / 7:55 pm
Daylight14.2 h13.1 h

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

A typical August day

  1. 6 am68°Fdew point 64°F
  2. 9 am77°Fdew point 66°F
  3. Noon84°Fdew point 66°F
  4. 3 pm87°Fdew point 65°F
  5. 6 pm84°Fdew point 66°F
  6. 9 pm76°Fdew point 67°F

NOAA hourly normals (local standard time) from Topeka Muni Airport (3 mi away); average wind 6 mph; clear or few clouds in 78% of daytime hours, mostly cloudy or overcast in 14%.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F2 of 31
  • Hot dayshigh 90°F or more15 of 31
  • Muggy daysdaily mean dew point 65°F or more20 of 31
  • Wet daysat least 0.01 in of rain or melted snow9 of 31
  • Notable rainat least 0.10 in6 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 4.5 in; a dry August brings about 2.0 in and a wet one about 5.9 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 2 an inch or more.

How August varies from year to year

  • Warmest August, 1991-20202000: average high 98°F
  • Coolest August1992: average high 83°F
  • Wettest August2019: 12.0 in
  • Driest August2000: 0.6 in
  • Highest reading112°F (August 2, 2011)
  • Lowest reading48°F (August 31, 2009)

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 high90°F89°F81°F
Normal low69°F67°F58°F
Wet days998
Comfortable days1210
Daylight14.6 h13.7 h12.4 h

Highs change by -1°F from July and -8°F into September.

Nearby alternatives in August

How Topeka ranks in August

  • Normal high151st warmest of 378 cities; 2nd of 3 in Kansas
  • Wet days183rd driest of 378
  • Comfortable days182nd most of 341

What to pack for Topeka in August

  • Light, breathable clothing – highs near 89°F and about 20 muggy days
  • A rain jacket or umbrella – rain on about 9 days

Heating and cooling

August has 1 heating degree days and 399 cooling degree days (base 65°F), 6% of the year's total heating and cooling demand.

Questions

How hot is Topeka in August?

The normal high is 89°F and the normal low is 67°F. From 1991 to 2020 the hottest August reading was 112°F (August 2, 2011).

Does it rain a lot in Topeka in August?

About 9 days in August have at least 0.01 in of precipitation, and the normal total is 4.6 in. The wettest August in 1991-2020 was in 2019 (12.0 in); the driest was in 2000 (0.6 in).

Is August a good time to visit Topeka?

August ranks 9th of 12 months on our comfort score for Topeka (44 out of 100). It has about 2 comfortable days and about 15 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: Topeka Muni Airport (USW00013996), 3.2 mi ENE of the city center, 876 ft (72 ft lower than the city). NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Philip Billard Municipal Airport (724560-13996), 3.2 mi ENE of the city center, 880 ft (68 ft lower than the city). Hourly observations, 1991-2020.