August is one of the warmer months of the year in Topeka, with average highs near 31.8°C and lows around 19.5°C (mean 25.7°C). It is a relatively wet time of year, averaging 109 mm of rainfall and 67% relative humidity across the period.
August is one of the warmer months of the year in Topeka. Across 45 years of records, the warmest Augusts in Topeka were 1983 and 2000 — when the month averaged 30.8°C — while the coldest was 1992 at 21.6°C. Typical August days reach 31.8°C with nights near 19.5°C. The long-term trend is warming, about 0.2°C per decade.
August is a relatively wet time of year in Topeka, averaging 109 mm of rainfall. The wettest August on record was 2019 with 291 mm, while the driest was 2000 at 24 mm.
Relative humidity in Topeka during August averages 67%. The most humid August was 2019 at 85%, and the least humid was 2000 at 45%.
August receives about 5.7 kWh/m²/day of solar energy in Topeka. The sunniest August was 2010 at 6.4 kWh/m²/day, and the cloudiest was 1985 at 4.9.
Average wind speed in Topeka during August is 2.5 m/s. The windiest August was 2000 at 3.1 m/s, while the calmest was 1996 at 2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 25.4°C | 24.9°C | 26.2°C | 25.6°C | 26.5°C | +1.1°C |
| Avg High | 31.6°C | 30.8°C | 32.4°C | 31.6°C | 32.9°C | +1.3°C |
| Avg Low | 19.2°C | 19.0°C | 20.0°C | 19.6°C | 20.0°C | +0.8°C |
| Avg Rain | 115 mm | 95 mm | 119 mm | 130 mm | 73 mm | -42 mm |
August temperatures in Topeka have risen by about 1.1°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 9.6°C (1986) to a record high of 44.8°C (2011).
Rainfall in August is a relatively wet time of year, averaging 109 mm, with a wettest year of 291 mm.
One of the best times to visit Topeka
August is one of the best times to visit Topeka. Expect days averaging 31.8°C and nights around 19.5°C (mean 25.7°C) — warmer than Topeka's yearly average — with higher rainfall (109 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 31.5°C | 25.4°C | 19.3°C | 37.3°C | 13.9°C | 68 mm | 66% | 2.3 m/s | 5.5 |
| 2024 | 33.0°C | 26.3°C | 19.7°C | 40.1°C | 14.1°C | 92 mm | 61% | 2.3 m/s | 5.4 |
| 2023 | 35.0°C | 27.8°C | 20.6°C | 43.9°C | 14.5°C | 71 mm | 60% | 2.5 m/s | 5.9 |
| 2022 | 34.7°C | 27.7°C | 20.8°C | 39.0°C | 17.2°C | 58 mm | 60% | 2.3 m/s | 6.2 |
| 2021 | 32.8°C | 27.0°C | 21.2°C | 37.5°C | 16.0°C | 110 mm | 70% | 2.9 m/s | 5.9 |
| 2020 | 30.3°C | 24.5°C | 18.6°C | 35.9°C | 12.3°C | 38 mm | 72% | 2.3 m/s | 6.2 |
| 2019 🌧️ | 28.6°C | 24.2°C | 19.8°C | 32.9°C | 14.6°C | 291 mm | 85% | 2.2 m/s | 5.2 |
| 2018 | 32.2°C | 26.2°C | 20.3°C | 38.6°C | 16.1°C | 152 mm | 67% | 2.9 m/s | 5.5 |
| 2017 | 29.3°C | 23.1°C | 16.9°C | 36.3°C | 13.0°C | 156 mm | 70% | 2.2 m/s | 5.8 |
| 2016 | 30.4°C | 25.2°C | 20.0°C | 36.5°C | 12.7°C | 150 mm | 75% | 2.4 m/s | 5.5 |
| 2015 | 29.2°C | 23.6°C | 18.0°C | 33.0°C | 10.8°C | 71 mm | 74% | 2.3 m/s | 5.8 |
| 2014 | 33.7°C | 27.1°C | 20.5°C | 39.2°C | 14.1°C | 119 mm | 63% | 2.4 m/s | 5.7 |
| 2013 | 30.7°C | 25.0°C | 19.4°C | 38.7°C | 13.4°C | 106 mm | 72% | 2.2 m/s | 5.5 |
| 2012 | 33.9°C | 26.6°C | 19.3°C | 40.4°C | 13.5°C | 75 mm | 46% | 2.6 m/s | 5.7 |
| 2011 | 35.0°C | 28.1°C | 21.1°C | 44.8°C | 15.9°C | 100 mm | 61% | 2.3 m/s | 6 |
| 2010 | 33.0°C | 26.7°C | 20.4°C | 37.8°C | 12.9°C | 82 mm | 69% | 2.7 m/s | 6.4 |
| 2009 | 28.3°C | 22.9°C | 17.5°C | 34.9°C | 9.9°C | 148 mm | 77% | 2.8 m/s | 5.7 |
| 2008 | 29.6°C | 23.9°C | 18.2°C | 36.8°C | 14.3°C | 71 mm | 73% | 2.4 m/s | 5.8 |
| 2007 | 32.3°C | 27.2°C | 22.0°C | 37.6°C | 15.0°C | 72 mm | 75% | 2.9 m/s | 6 |
| 2006 | 33.1°C | 27.0°C | 20.9°C | 42.0°C | 14.3°C | 176 mm | 65% | 2.6 m/s | 5.6 |
| 2005 | 30.9°C | 25.4°C | 19.9°C | 37.6°C | 15.7°C | 204 mm | 72% | 2.2 m/s | 5.4 |
| 2004 | 28.1°C | 22.3°C | 16.6°C | 34.4°C | 10.1°C | 138 mm | 74% | 2.5 m/s | 5.9 |
| 2003 | 35.7°C | 29.0°C | 22.2°C | 42.6°C | 16.5°C | 162 mm | 48% | 2.4 m/s | 5.6 |
| 2002 | 33.6°C | 26.9°C | 20.2°C | 39.6°C | 13.4°C | 79 mm | 58% | 2.7 m/s | 5.5 |
| 2001 | 33.4°C | 26.6°C | 19.8°C | 39.9°C | 13.8°C | 115 mm | 60% | 2.4 m/s | 6.3 |
| 2000 | 38.7°C | 30.8°C | 22.9°C | 43.0°C | 17.4°C | 24 mm | 45% | 3.1 m/s | 5.7 |
| 1999 | 31.8°C | 25.2°C | 18.5°C | 37.1°C | 14.4°C | 55 mm | 65% | 2.5 m/s | 5.7 |
| 1998 | 32.5°C | 26.1°C | 19.8°C | 38.6°C | 16.2°C | 62 mm | 68% | 2.4 m/s | 5.9 |
| 1997 | 31.0°C | 24.9°C | 18.8°C | 36.6°C | 14.9°C | 118 mm | 68% | 2.3 m/s | 5.7 |
| 1996 | 29.3°C | 24.1°C | 19.0°C | 36.1°C | 14.9°C | 167 mm | 74% | 2 m/s | 5.3 |
| 1995 | 30.8°C | 25.7°C | 20.6°C | 34.9°C | 16.2°C | 117 mm | 78% | 2.5 m/s | 5.9 |
| 1994 | 31.8°C | 25.2°C | 18.5°C | 37.6°C | 11.9°C | 122 mm | 63% | 2.9 m/s | 5.7 |
| 1993 | 28.7°C | 24.1°C | 19.5°C | 33.3°C | 12.0°C | 85 mm | 83% | 2.5 m/s | 5.4 |
| 1992 ❄️ | 27.3°C | 21.6°C | 15.9°C | 32.2°C | 11.1°C | 59 mm | 75% | 2.4 m/s | 5.7 |
| 1991 | 34.0°C | 27.1°C | 20.2°C | 41.2°C | 14.2°C | 48 mm | 51% | 2.4 m/s | 5.7 |
| 1990 | 31.1°C | 25.0°C | 18.9°C | 39.6°C | 12.1°C | 118 mm | 71% | 2.7 m/s | 6.1 |
| 1989 | 31.0°C | 25.2°C | 19.4°C | 37.9°C | 12.4°C | 175 mm | 69% | 2.6 m/s | 5.6 |
| 1988 | 35.6°C | 28.3°C | 21.0°C | 40.3°C | 11.8°C | 48 mm | 51% | 2.9 m/s | 6 |
| 1987 | 30.5°C | 24.6°C | 18.6°C | 40.3°C | 13.2°C | 160 mm | 70% | 3 m/s | 5.3 |
| 1986 | 28.4°C | 22.5°C | 16.7°C | 32.3°C | 9.6°C | 131 mm | 72% | 2.5 m/s | 5.3 |
| 1985 | 27.9°C | 22.5°C | 17.0°C | 33.4°C | 12.3°C | 203 mm | 80% | 2.6 m/s | 4.9 |
| 1984 | 34.7°C | 27.2°C | 19.7°C | 42.4°C | 12.9°C | 25 mm | 54% | 2.7 m/s | 6 |
| 1983 🔥 | 38.0°C | 30.8°C | 23.6°C | 43.0°C | 18.4°C | 28 mm | 48% | 2.7 m/s | — |
| 1982 | 29.8°C | 24.5°C | 19.3°C | 35.5°C | 13.3°C | 135 mm | 78% | 2.7 m/s | — |
| 1981 | 28.7°C | 23.3°C | 17.8°C | 34.2°C | 12.4°C | 124 mm | 75% | 2.4 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 31.8°C with lows near 19.5°C (mean 25.7°C), based on 45 years of NASA POWER data.
August averages 109 mm of rainfall in Topeka, a relatively wet time of year. The wettest on record was 291 mm in 2019.
The hottest August reached 44.8°C in 2011. The coldest dipped to 9.6°C in 1986.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 1.1°C. Daytime highs moved from 31.8°C to 33.4°C and overnight lows from 19.5°C to 20.3°C over the same span.
August is one of the warmer months of the year in Topeka and a relatively wet time of year, so plan for around 31.8°C daytime highs and 19.5°C at night.
Not quite — August is the 11th coolest month in Topeka, averaging 25.7°C.
For August in Topeka, pack light, breathable clothing and sun protection, with typical highs of 31.8°C and lows of 19.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 67% — moderately humid.
Average wind speed in August is 2.5 m/s. The windiest August on record averaged 3.1 m/s (2000).
The wettest August on record was 2019 with 291 mm. On average, August sees 109 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Topeka behaves each August, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for August specifically, along with year-by-year records and how the month has changed over the decades.
