Climate averages 1991–2020

Topeka weather
in August.

A hot, wet month: the 2nd warmest and the 9th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 30.4°C Daytime mean, August
Average low 20.9°C Night-time mean, August
Rainfall 102 mm 9 days with ≥1 mm
Daylight 14 h Sunrise to sunset, per day
Every month in Topeka · average highYear overview

August is a hot month in Topeka: daytime highs average 30.4°C and nights cool to about 20.9°C. By daytime temperature it is the 2nd warmest of the 12 months.

Expect about 102 mm of rain on roughly 9 days, which makes August a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 42 min on an average August day.

The nearest other city in this atlas is Lawrence (Kansas), United States (39 km away). In August its highs average 30.3°C, about as warm as Topeka, with 100 mm of rain.

Among the 498 cities listed in the United States, Topeka ranks joint 204th of 498 for the warmest August highs and joint 411th of 498 for the driest August (rainfall, lowest first). The mean August high of those 498 cities is 29.9°C; Topeka is 0.5°C warmer than that mean.

From August to September, average highs fall by 4.5°C to 25.9°C, and monthly rainfall falls from 102 mm to 87 mm.

The annual picture

August in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. -10-505101520253035 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 1500

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Topeka climate table

1991–2020
Monthly climate averages for Topeka, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 3.8°C-5.4°C-5.4°C295.29.810 h
February 6.5°C-3.5°C-3.5°C415.610.711 h
March 12.6°C2.0°C2.0°C738.311.912 h
April 18.3°C7.7°C7.7°C10811.013.213 h
May 23.5°C13.8°C13.8°C14412.914.314 h
June 28.7°C19.3°C19.3°C12411.514.915 h
July 31.3°C22.0°C22.0°C919.714.615 h
August, selected 30.4°C20.9°C20.9°C1029.213.714 h
September 25.9°C16.3°C16.3°C877.612.512 h
October 19.1°C9.7°C9.7°C787.711.211 h
November 11.7°C2.7°C2.7°C535.610.110 h
December 5.6°C-3.0°C-3.0°C414.79.59 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

August in nearby cities

Distance from Topeka

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Topeka) is explained once on the Topeka year overview and on the Sources, method and limits page.