October is one of the warmer months of the year in Olathe, with average highs near 20°C and lows around 7.5°C (mean 13.8°C). It is about average for rainfall, averaging 86 mm of rainfall and 70% relative humidity across the period.
October is one of the warmer months of the year in Olathe. Across 45 years of records, the warmest October in Olathe was 2024 — when the month averaged 17.9°C — while the coldest was 2009 at 10°C. Typical October days reach 20°C with nights near 7.5°C. The long-term trend is warming, about 0.5°C per decade.
October is about average for rainfall in Olathe, averaging 86 mm of rainfall. The wettest October on record was 2018 with 230 mm, while the driest was 2011 at 9 mm.
Relative humidity in Olathe during October averages 70%. The most humid October was 1986 at 85%, and the least humid was 2024 at 49%.
October receives about 3.5 kWh/m²/day of solar energy in Olathe. The sunniest October was 2024 at 4.5 kWh/m²/day, and the cloudiest was 1984 at 2.7.
Average wind speed in Olathe during October is 3.2 m/s. The windiest October was 1990 at 3.8 m/s, while the calmest was 1986 at 2.7 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 12.9°C | 13.6°C | 13.3°C | 14.0°C | 15.7°C | +2.8°C |
| Avg High | 19.0°C | 20.1°C | 19.2°C | 20.3°C | 22.4°C | +3.4°C |
| Avg Low | 6.9°C | 7.2°C | 7.3°C | 7.8°C | 9.0°C | +2.1°C |
| Avg Rain | 104 mm | 72 mm | 99 mm | 85 mm | 65 mm | -39 mm |
October temperatures in Olathe have risen by about 2.9°C between 1981–1985 and 2021–2025.
October has ranged from a record low of -6.2°C (2019) to a record high of 33.9°C (2006).
Rainfall in October is about average for rainfall, averaging 86 mm, with a wettest year of 230 mm.
A good time to visit Olathe
October is a good time to visit Olathe, with days averaging 20°C and nights around 7.5°C (mean 13.8°C, warmer than Olathe's yearly average) and higher rainfall. September and June are marginally more temperate, but October still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 23.6°C | 17.7°C | 11.8°C | 32.6°C | 3.4°C | 47 mm | 66% | 3 m/s | 3.4 |
| 2024 🔥 | 25.8°C | 17.9°C | 10.0°C | 33.8°C | 2.5°C | 37 mm | 49% | 3.2 m/s | 4.5 |
| 2023 | 21.5°C | 15.3°C | 9.2°C | 33.9°C | -5.1°C | 110 mm | 64% | 3.4 m/s | 3.5 |
| 2022 | 22.7°C | 15.1°C | 7.5°C | 29.9°C | -4.6°C | 42 mm | 51% | 3.1 m/s | 4.1 |
| 2021 | 22.1°C | 16.0°C | 9.9°C | 32.4°C | 2.1°C | 128 mm | 72% | 3.1 m/s | 3.1 |
| 2020 | 18.5°C | 12.2°C | 5.9°C | 32.3°C | -4.6°C | 25 mm | 66% | 3.3 m/s | 3.4 |
| 2019 | 16.2°C | 10.6°C | 4.9°C | 29.5°C | -6.2°C | 63 mm | 78% | 3.3 m/s | 3.3 |
| 2018 🌧️ | 18.6°C | 12.9°C | 7.2°C | 32.1°C | -2.1°C | 230 mm | 79% | 2.8 m/s | 3.2 |
| 2017 | 20.6°C | 14.4°C | 8.2°C | 29.9°C | -4.5°C | 115 mm | 71% | 3.7 m/s | 3.6 |
| 2016 | 21.9°C | 16.1°C | 10.3°C | 28.5°C | 1.6°C | 56 mm | 80% | 3.2 m/s | 3.5 |
| 2015 | 21.6°C | 15.1°C | 8.6°C | 29.8°C | 0.7°C | 33 mm | 64% | 2.8 m/s | 3.7 |
| 2014 | 20.0°C | 14.2°C | 8.4°C | 28.1°C | -0.3°C | 158 mm | 75% | 3.1 m/s | 3.6 |
| 2013 | 20.0°C | 13.4°C | 6.8°C | 29.8°C | -2.2°C | 118 mm | 68% | 3.2 m/s | 3.8 |
| 2012 | 19.4°C | 13.1°C | 6.9°C | 28.2°C | -3.1°C | 36 mm | 64% | 3.4 m/s | 3.2 |
| 2011 | 22.7°C | 15.4°C | 8.2°C | 31.0°C | -0.6°C | 9 mm | 54% | 3.3 m/s | 4.1 |
| 2010 | 21.7°C | 14.8°C | 8.0°C | 29.4°C | 0.7°C | 33 mm | 67% | 2.9 m/s | 4.2 |
| 2009 ❄️ | 15.0°C | 10.0°C | 5.0°C | 23.1°C | -0.3°C | 134 mm | 80% | 3.4 m/s | 2.8 |
| 2008 | 18.5°C | 12.7°C | 6.8°C | 25.7°C | -2.9°C | 108 mm | 79% | 3.2 m/s | 3.6 |
| 2007 | 20.9°C | 15.0°C | 9.0°C | 30.4°C | 0.5°C | 169 mm | 75% | 3.5 m/s | 3.6 |
| 2006 | 18.3°C | 12.1°C | 5.9°C | 33.9°C | -3.3°C | 88 mm | 68% | 3.3 m/s | 3.4 |
| 2005 | 19.0°C | 13.2°C | 7.4°C | 28.8°C | -1.4°C | 92 mm | 77% | 2.9 m/s | 3.6 |
| 2004 | 20.6°C | 14.7°C | 8.9°C | 27.1°C | 1.7°C | 98 mm | 72% | 3.2 m/s | 3 |
| 2003 | 21.3°C | 14.4°C | 7.5°C | 29.1°C | 0.1°C | 25 mm | 70% | 2.8 m/s | 3.8 |
| 2002 | 16.8°C | 11.2°C | 5.5°C | 32.9°C | -1.7°C | 108 mm | 72% | 2.8 m/s | 2.9 |
| 2001 | 19.6°C | 13.3°C | 7.0°C | 27.3°C | -2.2°C | 67 mm | 70% | 3.4 m/s | 3.7 |
| 2000 | 22.3°C | 16.0°C | 9.7°C | 32.8°C | -3.3°C | 102 mm | 69% | 3.1 m/s | 3.2 |
| 1999 | 20.9°C | 13.7°C | 6.5°C | 28.6°C | -1.8°C | 18 mm | 65% | 3 m/s | 3.9 |
| 1998 | 19.7°C | 14.1°C | 8.5°C | 24.8°C | 2.8°C | 178 mm | 80% | 3.1 m/s | 3.5 |
| 1997 | 20.9°C | 14.6°C | 8.4°C | 32.5°C | -5.6°C | 98 mm | 73% | 3.5 m/s | 3.6 |
| 1996 | 18.5°C | 12.6°C | 6.7°C | 26.3°C | -1.4°C | 90 mm | 73% | 3.7 m/s | 3.6 |
| 1995 | 21.3°C | 14.4°C | 7.5°C | 30.0°C | 0.8°C | 19 mm | 61% | 3.5 m/s | 3.8 |
| 1994 | 20.8°C | 14.6°C | 8.4°C | 30.8°C | -1.2°C | 69 mm | 70% | 2.8 m/s | 3.2 |
| 1993 | 16.4°C | 10.9°C | 5.4°C | 25.5°C | -5.7°C | 48 mm | 81% | 2.9 m/s | 3.2 |
| 1992 | 20.3°C | 13.6°C | 7.0°C | 27.9°C | -0.7°C | 57 mm | 71% | 2.9 m/s | 3.5 |
| 1991 | 21.5°C | 14.4°C | 7.4°C | 30.4°C | -2.8°C | 86 mm | 62% | 3.6 m/s | 3.7 |
| 1990 | 20.8°C | 13.6°C | 6.3°C | 30.9°C | -0.4°C | 59 mm | 63% | 3.8 m/s | 3.8 |
| 1989 | 19.3°C | 13.1°C | 6.8°C | 26.6°C | -4.1°C | 98 mm | 74% | 3.1 m/s | 3.6 |
| 1988 | 18.2°C | 11.6°C | 5.0°C | 27.0°C | -2.3°C | 15 mm | 62% | 2.8 m/s | 3.4 |
| 1987 | 18.0°C | 11.0°C | 4.1°C | 27.7°C | -3.8°C | 52 mm | 64% | 3.1 m/s | 3.7 |
| 1986 | 18.2°C | 13.1°C | 8.0°C | 24.6°C | -1.0°C | 133 mm | 85% | 2.7 m/s | 2.8 |
| 1985 | 18.1°C | 12.9°C | 7.7°C | 23.5°C | 0.2°C | 155 mm | 82% | 3 m/s | 2.9 |
| 1984 | 19.7°C | 13.8°C | 8.0°C | 28.0°C | 0.1°C | 165 mm | 76% | 2.9 m/s | 2.7 |
| 1983 | 20.2°C | 14.6°C | 8.9°C | 31.0°C | 0.4°C | 130 mm | 71% | 3.3 m/s | — |
| 1982 | 20.6°C | 13.6°C | 6.6°C | 30.6°C | -1.5°C | 62 mm | 65% | 3.3 m/s | — |
| 1981 | 18.4°C | 12.8°C | 7.1°C | 30.1°C | -4.6°C | 122 mm | 73% | 3.4 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 20°C with lows near 7.5°C (mean 13.8°C), based on 45 years of NASA POWER data.
October averages 86 mm of rainfall in Olathe, about average for rainfall. The wettest on record was 230 mm in 2018.
The hottest October reached 33.9°C in 2006. The coldest dipped to -6.2°C in 2019.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 2.9°C. Daytime highs moved from 19.4°C to 23.1°C and overnight lows from 7.7°C to 9.7°C over the same span.
October is one of the warmer months of the year in Olathe and about average for rainfall, so plan for around 20°C daytime highs and 7.5°C at night.
Not quite — October is the 7th coolest month in Olathe, averaging 13.8°C.
For October in Olathe, pack warm layers and a jacket for chilly mornings, with typical highs of 20°C and lows of 7.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 70% — moderately humid.
Average wind speed in October is 3.2 m/s. The windiest October on record averaged 3.8 m/s (1990).
The wettest October on record was 2018 with 230 mm. On average, October sees 86 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 October, 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 October specifically, along with year-by-year records and how the month has changed over the decades.
