August is one of the warmer months of the year in Lenexa, with average highs near 31.6°C and lows around 19.4°C (mean 25.5°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 Lenexa. Across 45 years of records, the warmest August in Lenexa was 1983 — when the month averaged 30.9°C — while the coldest was 1992 at 21.6°C. Typical August days reach 31.6°C with nights near 19.4°C. The long-term August temperature trend is broadly flat.
August is a relatively wet time of year in Lenexa, averaging 109 mm of rainfall. The wettest August on record was 2019 with 270 mm, while the driest was 1983 at 23 mm.
Relative humidity in Lenexa during August averages 67%. The most humid August was 2019 at 84%, and the least humid was 2012 at 45%.
August receives about 5.7 kWh/m²/day of solar energy in Lenexa. The sunniest August was 2010 at 6.6 kWh/m²/day, and the cloudiest were 1985, 2005 and 2019 at 5.1.
Average wind speed in Lenexa during August is 2.4 m/s. The windiest August was 2000 at 3 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 | 25.3°C | 24.8°C | 26.1°C | 25.4°C | 26.2°C | +0.9°C |
| Avg High | 31.5°C | 30.7°C | 32.2°C | 31.3°C | 32.4°C | +0.9°C |
| Avg Low | 19.1°C | 18.9°C | 20.0°C | 19.5°C | 19.8°C | +0.7°C |
| Avg Rain | 113 mm | 88 mm | 120 mm | 134 mm | 75 mm | -38 mm |
August temperatures in Lenexa have risen by about 1.1°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 8.2°C (1986) to a record high of 44.6°C (2011).
Rainfall in August is a relatively wet time of year, averaging 109 mm, with a wettest year of 270 mm.
One of the best times to visit Lenexa
August is one of the best times to visit Lenexa. Expect days averaging 31.6°C and nights around 19.4°C (mean 25.5°C) — warmer than Lenexa'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 | 31.0°C | 25.0°C | 18.9°C | 37.0°C | 13.6°C | 45 mm | 66% | 2.1 m/s | 5.7 |
| 2024 | 33.3°C | 26.5°C | 19.6°C | 40.4°C | 13.9°C | 84 mm | 60% | 2.3 m/s | 5.5 |
| 2023 | 34.3°C | 27.4°C | 20.5°C | 42.7°C | 14.0°C | 80 mm | 63% | 2.5 m/s | 6 |
| 2022 | 34.4°C | 27.6°C | 20.8°C | 38.9°C | 16.9°C | 66 mm | 61% | 2.4 m/s | 6.2 |
| 2021 | 31.8°C | 26.4°C | 20.9°C | 36.3°C | 15.9°C | 123 mm | 73% | 2.8 m/s | 6 |
| 2020 | 29.9°C | 24.0°C | 18.2°C | 35.4°C | 11.8°C | 50 mm | 73% | 2.2 m/s | 5.9 |
| 2019 🌧️ | 28.5°C | 24.1°C | 19.7°C | 32.8°C | 14.2°C | 270 mm | 84% | 2.2 m/s | 5.1 |
| 2018 | 32.3°C | 26.4°C | 20.5°C | 37.8°C | 16.4°C | 138 mm | 66% | 2.8 m/s | 5.4 |
| 2017 | 28.3°C | 22.5°C | 16.6°C | 34.4°C | 12.6°C | 209 mm | 73% | 2.1 m/s | 5.7 |
| 2016 | 30.3°C | 25.2°C | 20.2°C | 36.4°C | 12.9°C | 162 mm | 76% | 2.3 m/s | 5.6 |
| 2015 | 28.8°C | 23.3°C | 17.9°C | 31.9°C | 10.5°C | 77 mm | 76% | 2.2 m/s | 5.8 |
| 2014 | 33.0°C | 26.6°C | 20.2°C | 38.7°C | 13.9°C | 124 mm | 65% | 2.2 m/s | 6 |
| 2013 | 30.9°C | 25.1°C | 19.3°C | 38.9°C | 13.0°C | 94 mm | 71% | 2.1 m/s | 5.6 |
| 2012 | 34.1°C | 26.7°C | 19.4°C | 40.1°C | 13.6°C | 70 mm | 45% | 2.5 m/s | 5.7 |
| 2011 | 34.6°C | 27.8°C | 20.9°C | 44.6°C | 15.4°C | 113 mm | 63% | 2.2 m/s | 5.9 |
| 2010 | 32.6°C | 26.6°C | 20.5°C | 37.2°C | 13.0°C | 87 mm | 70% | 2.6 m/s | 6.6 |
| 2009 | 28.1°C | 22.8°C | 17.5°C | 34.3°C | 9.7°C | 159 mm | 77% | 2.7 m/s | 5.5 |
| 2008 | 29.5°C | 23.8°C | 18.1°C | 35.5°C | 14.0°C | 47 mm | 74% | 2.3 m/s | 5.9 |
| 2007 | 32.3°C | 27.2°C | 22.1°C | 37.2°C | 14.7°C | 72 mm | 75% | 2.8 m/s | 6.1 |
| 2006 | 33.0°C | 27.0°C | 21.0°C | 41.3°C | 14.3°C | 176 mm | 66% | 2.5 m/s | 5.7 |
| 2005 | 30.8°C | 25.3°C | 19.9°C | 38.2°C | 15.6°C | 226 mm | 72% | 2.1 m/s | 5.1 |
| 2004 | 27.8°C | 22.2°C | 16.6°C | 33.8°C | 9.9°C | 152 mm | 75% | 2.5 m/s | 5.6 |
| 2003 | 35.8°C | 28.9°C | 22.1°C | 42.9°C | 16.7°C | 166 mm | 47% | 2.3 m/s | 5.7 |
| 2002 | 33.6°C | 26.9°C | 20.2°C | 39.5°C | 13.3°C | 63 mm | 58% | 2.6 m/s | 5.6 |
| 2001 | 33.2°C | 26.4°C | 19.6°C | 39.8°C | 14.2°C | 110 mm | 61% | 2.4 m/s | 6.1 |
| 2000 | 38.3°C | 30.4°C | 22.4°C | 43.1°C | 17.9°C | 26 mm | 48% | 3 m/s | 5.9 |
| 1999 | 32.4°C | 25.5°C | 18.5°C | 37.2°C | 14.1°C | 51 mm | 62% | 2.5 m/s | 5.8 |
| 1998 | 32.2°C | 26.0°C | 19.8°C | 38.2°C | 16.7°C | 65 mm | 70% | 2.3 m/s | 6.1 |
| 1997 | 31.1°C | 25.0°C | 18.8°C | 36.5°C | 14.6°C | 109 mm | 67% | 2.3 m/s | 5.5 |
| 1996 | 29.1°C | 24.0°C | 18.8°C | 34.6°C | 15.0°C | 145 mm | 74% | 2 m/s | 5.2 |
| 1995 | 30.9°C | 25.8°C | 20.7°C | 35.3°C | 15.9°C | 106 mm | 78% | 2.4 m/s | 6 |
| 1994 | 31.0°C | 24.6°C | 18.2°C | 37.4°C | 11.2°C | 127 mm | 66% | 2.7 m/s | 5.8 |
| 1993 | 28.7°C | 24.1°C | 19.5°C | 33.0°C | 12.3°C | 72 mm | 83% | 2.5 m/s | 5.7 |
| 1992 ❄️ | 27.4°C | 21.6°C | 15.8°C | 32.0°C | 10.8°C | 63 mm | 73% | 2.3 m/s | 5.4 |
| 1991 | 34.0°C | 27.1°C | 20.3°C | 40.9°C | 13.4°C | 43 mm | 50% | 2.3 m/s | 5.8 |
| 1990 | 30.5°C | 24.6°C | 18.8°C | 38.3°C | 11.9°C | 103 mm | 73% | 2.6 m/s | 6 |
| 1989 | 31.2°C | 25.3°C | 19.4°C | 37.9°C | 12.2°C | 169 mm | 69% | 2.6 m/s | 5.4 |
| 1988 | 35.1°C | 28.0°C | 20.9°C | 40.0°C | 12.3°C | 54 mm | 53% | 2.8 m/s | 5.9 |
| 1987 | 30.5°C | 24.6°C | 18.7°C | 39.3°C | 13.3°C | 146 mm | 70% | 2.9 m/s | 5.6 |
| 1986 | 28.8°C | 22.6°C | 16.5°C | 32.4°C | 8.2°C | 113 mm | 70% | 2.4 m/s | 5.5 |
| 1985 | 27.9°C | 22.4°C | 17.0°C | 32.9°C | 11.9°C | 204 mm | 80% | 2.5 m/s | 5.1 |
| 1984 | 34.5°C | 27.0°C | 19.4°C | 42.2°C | 12.5°C | 23 mm | 55% | 2.6 m/s | 6.1 |
| 1983 🔥 | 38.2°C | 30.9°C | 23.6°C | 43.2°C | 18.0°C | 23 mm | 47% | 2.6 m/s | — |
| 1982 | 29.3°C | 24.2°C | 19.0°C | 35.0°C | 13.0°C | 176 mm | 79% | 2.7 m/s | — |
| 1981 | 28.3°C | 23.0°C | 17.6°C | 33.5°C | 12.1°C | 107 mm | 77% | 2.3 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 31.6°C with lows near 19.4°C (mean 25.5°C), based on 45 years of NASA POWER data.
August averages 109 mm of rainfall in Lenexa, a relatively wet time of year. The wettest on record was 270 mm in 2019.
The hottest August reached 44.6°C in 2011. The coldest dipped to 8.2°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 31.6°C to 33°C and overnight lows from 19.3°C to 20.1°C over the same span.
August is one of the warmer months of the year in Lenexa and a relatively wet time of year, so plan for around 31.6°C daytime highs and 19.4°C at night.
Not quite — August is the 11th coolest month in Lenexa, averaging 25.5°C.
For August in Lenexa, pack light, breathable clothing and sun protection, with typical highs of 31.6°C and lows of 19.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 67% — moderately humid.
Average wind speed in August is 2.4 m/s. The windiest August on record averaged 3 m/s (2000).
The wettest August on record was 2019 with 270 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 Lenexa 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.
