June is one of the warmer months of the year in Olathe, with average highs near 28.6°C and lows around 17.9°C (mean 23.3°C). It is a relatively wet time of year, averaging 134 mm of rainfall and 75% relative humidity across the period.
June is one of the warmer months of the year in Olathe. Across 45 years of records, the warmest June in Olathe was 2018 — when the month averaged 26.8°C — while the coldest was 1982 at 19.8°C. Typical June days reach 28.6°C with nights near 17.9°C. The long-term trend is warming, about 0.6°C per decade.
June is a relatively wet time of year in Olathe, averaging 134 mm of rainfall. The wettest June on record was 1981 with 241 mm, while the driest was 2016 at 48 mm.
Relative humidity in Olathe during June averages 75%. The most humid June was 1999 at 83%, and the least humid was 1988 at 51%.
June receives about 6.4 kWh/m²/day of solar energy in Olathe. The sunniest June was 2012 at 7.4 kWh/m²/day, and the cloudiest was 1992 at 5.5.
Average wind speed in Olathe during June is 2.8 m/s. The windiest June was 1998 at 3.7 m/s, while the calmest was 2023 at 2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 22.4°C | 22.6°C | 22.8°C | 24.4°C | 24.6°C | +2.2°C |
| Avg High | 27.7°C | 27.8°C | 28.2°C | 29.8°C | 30.0°C | +2.3°C |
| Avg Low | 17.0°C | 17.4°C | 17.4°C | 18.9°C | 19.1°C | +2.1°C |
| Avg Rain | 142 mm | 130 mm | 160 mm | 123 mm | 106 mm | -36 mm |
June temperatures in Olathe have risen by about 3.1°C between 1981–1985 and 2021–2025.
June has ranged from a record low of 6.3°C (1982) to a record high of 41.8°C (2012).
Rainfall in June is a relatively wet time of year, averaging 134 mm, with a wettest year of 241 mm.
One of the best times to visit Olathe
June is one of the best times to visit Olathe. Expect days averaging 28.6°C and nights around 17.9°C (mean 23.3°C) — warmer than Olathe's yearly average — with higher rainfall (134 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 | 29.6°C | 24.4°C | 19.1°C | 34.3°C | 12.4°C | 125 mm | 77% | 2.7 m/s | 6.1 |
| 2024 | 30.7°C | 25.2°C | 19.7°C | 37.7°C | 13.4°C | 124 mm | 72% | 3 m/s | 6.7 |
| 2023 | 31.9°C | 25.0°C | 18.1°C | 39.6°C | 10.7°C | 51 mm | 59% | 2 m/s | 6.9 |
| 2022 | 29.2°C | 24.0°C | 18.8°C | 34.2°C | 11.0°C | 83 mm | 75% | 2.7 m/s | 6.7 |
| 2021 | 29.3°C | 24.3°C | 19.3°C | 34.8°C | 12.8°C | 156 mm | 76% | 2.4 m/s | 6.3 |
| 2020 | 29.4°C | 24.4°C | 19.4°C | 31.9°C | 13.2°C | 95 mm | 79% | 3 m/s | 7.1 |
| 2019 | 27.0°C | 22.4°C | 17.8°C | 31.3°C | 9.9°C | 169 mm | 82% | 2.5 m/s | 6.6 |
| 2018 🔥 | 32.7°C | 26.8°C | 20.8°C | 38.7°C | 13.7°C | 83 mm | 67% | 3 m/s | 6.8 |
| 2017 | 29.3°C | 23.6°C | 17.8°C | 33.6°C | 12.6°C | 150 mm | 73% | 3.1 m/s | 7.1 |
| 2016 | 30.5°C | 25.1°C | 19.7°C | 35.3°C | 13.4°C | 48 mm | 74% | 2.4 m/s | 7.2 |
| 2015 | 28.3°C | 23.6°C | 18.9°C | 32.7°C | 10.5°C | 165 mm | 83% | 2.6 m/s | 5.8 |
| 2014 | 27.9°C | 23.3°C | 18.8°C | 31.7°C | 10.1°C | 200 mm | 80% | 3.2 m/s | 5.7 |
| 2013 | 28.2°C | 22.9°C | 17.6°C | 36.3°C | 8.4°C | 80 mm | 76% | 3.3 m/s | 6.3 |
| 2012 | 33.4°C | 26.0°C | 18.5°C | 41.8°C | 8.1°C | 58 mm | 57% | 3.4 m/s | 7.4 |
| 2011 | 31.4°C | 25.3°C | 19.3°C | 38.2°C | 15.0°C | 101 mm | 71% | 3.4 m/s | 6.8 |
| 2010 | 29.5°C | 24.7°C | 19.8°C | 32.4°C | 15.0°C | 179 mm | 81% | 2.8 m/s | 6.6 |
| 2009 | 28.4°C | 23.5°C | 18.5°C | 34.9°C | 12.0°C | 172 mm | 80% | 2.7 m/s | 6.7 |
| 2008 | 27.3°C | 22.7°C | 18.1°C | 29.9°C | 13.3°C | 183 mm | 79% | 3.1 m/s | 6.3 |
| 2007 | 26.9°C | 22.2°C | 17.6°C | 30.3°C | 11.0°C | 217 mm | 81% | 2.8 m/s | 6 |
| 2006 | 31.4°C | 24.7°C | 17.9°C | 36.4°C | 13.8°C | 50 mm | 61% | 2.9 m/s | 6.9 |
| 2005 | 28.7°C | 23.5°C | 18.3°C | 32.8°C | 13.6°C | 230 mm | 78% | 2.9 m/s | 6.8 |
| 2004 | 26.2°C | 21.3°C | 16.3°C | 30.7°C | 11.6°C | 149 mm | 78% | 2.7 m/s | 5.9 |
| 2003 | 27.8°C | 21.9°C | 16.0°C | 32.3°C | 9.8°C | 132 mm | 70% | 2.7 m/s | 6.2 |
| 2002 | 30.1°C | 24.2°C | 18.4°C | 34.7°C | 12.3°C | 70 mm | 72% | 3.2 m/s | 6.7 |
| 2001 | 27.4°C | 21.8°C | 16.2°C | 30.7°C | 7.6°C | 215 mm | 79% | 2.9 m/s | 6.7 |
| 2000 | 28.1°C | 22.3°C | 16.5°C | 33.7°C | 9.9°C | 182 mm | 70% | 3.3 m/s | 5.7 |
| 1999 | 26.2°C | 21.6°C | 17.0°C | 30.1°C | 9.3°C | 164 mm | 83% | 2.9 m/s | 5.7 |
| 1998 | 28.9°C | 23.0°C | 17.0°C | 34.0°C | 8.6°C | 192 mm | 71% | 3.7 m/s | 6.4 |
| 1997 | 28.3°C | 22.7°C | 17.1°C | 33.2°C | 10.7°C | 85 mm | 75% | 2.4 m/s | 6.5 |
| 1996 | 28.0°C | 22.7°C | 17.4°C | 33.4°C | 8.6°C | 179 mm | 77% | 2.5 m/s | 6.4 |
| 1995 | 25.7°C | 21.3°C | 17.0°C | 30.4°C | 10.4°C | 130 mm | 82% | 2.4 m/s | 6.1 |
| 1994 | 28.2°C | 23.5°C | 18.8°C | 32.6°C | 14.4°C | 103 mm | 80% | 2.6 m/s | 6.4 |
| 1993 | 26.7°C | 21.9°C | 17.1°C | 31.2°C | 9.2°C | 127 mm | 83% | 2.9 m/s | 6 |
| 1992 | 26.9°C | 21.1°C | 15.3°C | 32.4°C | 9.6°C | 97 mm | 71% | 2.6 m/s | 5.5 |
| 1991 | 30.3°C | 24.7°C | 19.1°C | 36.5°C | 13.2°C | 65 mm | 72% | 2.9 m/s | 6.7 |
| 1990 | 28.6°C | 23.6°C | 18.5°C | 32.0°C | 8.1°C | 159 mm | 80% | 3.6 m/s | 6.5 |
| 1989 | 27.1°C | 21.6°C | 16.1°C | 33.0°C | 9.8°C | 97 mm | 71% | 2.4 m/s | 6 |
| 1988 | 33.3°C | 25.7°C | 18.0°C | 40.3°C | 10.4°C | 65 mm | 51% | 3 m/s | 6.8 |
| 1987 | 27.9°C | 23.0°C | 18.2°C | 34.2°C | 10.9°C | 121 mm | 79% | 2.1 m/s | 6.6 |
| 1986 | 28.2°C | 23.5°C | 18.7°C | 31.9°C | 12.8°C | 102 mm | 81% | 2.4 m/s | 6.2 |
| 1985 | 25.6°C | 20.3°C | 15.0°C | 31.3°C | 8.4°C | 151 mm | 79% | 2.9 m/s | 5.8 |
| 1984 | 27.5°C | 22.8°C | 18.1°C | 31.7°C | 11.7°C | 219 mm | 81% | 3.1 m/s | 6 |
| 1983 | 26.5°C | 21.4°C | 16.2°C | 31.1°C | 7.7°C | 129 mm | 79% | 2.8 m/s | — |
| 1982 ❄️ | 24.8°C | 19.8°C | 14.8°C | 31.6°C | 6.3°C | 150 mm | 81% | 2.4 m/s | — |
| 1981 🌧️ | 28.2°C | 23.2°C | 18.1°C | 34.0°C | 11.3°C | 241 mm | 79% | 3.1 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 28.6°C with lows near 17.9°C (mean 23.3°C), based on 45 years of NASA POWER data.
June averages 134 mm of rainfall in Olathe, a relatively wet time of year. The wettest on record was 241 mm in 1981.
The hottest June reached 41.8°C in 2012. The coldest dipped to 6.3°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 3.1°C. Daytime highs moved from 26.5°C to 30.1°C and overnight lows from 16.4°C to 19°C over the same span.
June is one of the warmer months of the year in Olathe and a relatively wet time of year, so plan for around 28.6°C daytime highs and 17.9°C at night.
Not quite — June is the 10th coolest month in Olathe, averaging 23.3°C.
For June in Olathe, pack light layers you can adjust through the day, with typical highs of 28.6°C and lows of 17.9°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 75% — quite humid.
Average wind speed in June is 2.8 m/s. The windiest June on record averaged 3.7 m/s (1998).
The wettest June on record was 1981 with 241 mm. On average, June sees 134 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 Olathe behaves each June, 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 June specifically, along with year-by-year records and how the month has changed over the decades.
