July is one of the warmer months of the year in Olathe, with average highs near 31.6°C and lows around 20.4°C (mean 26°C). It is a relatively wet time of year, averaging 108 mm of rainfall and 71% relative humidity across the period.
July is one of the warmer months of the year in Olathe. Across 45 years of records, the warmest July in Olathe was 2012 — when the month averaged 31.5°C — while the coldest was 2009 at 22.7°C. Typical July days reach 31.6°C with nights near 20.4°C. The long-term trend is warming, about 0.3°C per decade.
July is a relatively wet time of year in Olathe, averaging 108 mm of rainfall. The wettest July on record was 1993 with 358 mm, while the driest was 1983 at 16 mm.
Relative humidity in Olathe during July averages 71%. The most humid July was 1993 at 87%, and the least humid was 2012 at 41%.
July receives about 6.4 kWh/m²/day of solar energy in Olathe. The sunniest July was 2003 at 7.2 kWh/m²/day, and the cloudiest was 1993 at 5.5.
Average wind speed in Olathe during July is 2.5 m/s. The windiest Julys were 1983, 1986 and 1990 at 3.1 m/s, while the calmest was 2018 at 1.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 25.5°C | 25.4°C | 25.9°C | 26.8°C | 26.5°C | +1°C |
| Avg High | 31.2°C | 30.7°C | 31.8°C | 32.5°C | 32.0°C | +0.8°C |
| Avg Low | 19.9°C | 20.0°C | 20.1°C | 21.2°C | 21.0°C | +1.1°C |
| Avg Rain | 89 mm | 137 mm | 94 mm | 98 mm | 131 mm | +41 mm |
July temperatures in Olathe have risen by about 1.4°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 11.7°C (2014) to a record high of 43.5°C (2012).
Rainfall in July is a relatively wet time of year, averaging 108 mm, with a wettest year of 358 mm.
One of the best times to visit Olathe
July is one of the best times to visit Olathe. Expect days averaging 31.6°C and nights around 20.4°C (mean 26°C) — warmer than Olathe's yearly average — with higher rainfall (108 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 | 32.0°C | 27.1°C | 22.3°C | 34.7°C | 18.1°C | 176 mm | 76% | 2.3 m/s | 6.4 |
| 2024 | 31.8°C | 26.0°C | 20.1°C | 38.7°C | 15.6°C | 113 mm | 68% | 2.4 m/s | 6.2 |
| 2023 | 34.2°C | 27.5°C | 20.7°C | 41.2°C | 16.1°C | 115 mm | 62% | 2.3 m/s | 6.1 |
| 2022 | 33.4°C | 27.3°C | 21.1°C | 39.6°C | 15.7°C | 103 mm | 66% | 2.3 m/s | 6.4 |
| 2021 | 30.4°C | 25.3°C | 20.2°C | 36.8°C | 16.3°C | 77 mm | 77% | 2.2 m/s | 6.1 |
| 2020 | 30.2°C | 25.9°C | 21.6°C | 33.1°C | 17.4°C | 201 mm | 81% | 2.1 m/s | 6 |
| 2019 | 28.9°C | 24.8°C | 20.7°C | 32.2°C | 15.1°C | 97 mm | 82% | 2.4 m/s | 6.7 |
| 2018 | 34.2°C | 27.7°C | 21.2°C | 39.0°C | 16.0°C | 64 mm | 60% | 1.9 m/s | 6.6 |
| 2017 | 32.4°C | 26.6°C | 20.8°C | 40.2°C | 15.7°C | 124 mm | 68% | 2.3 m/s | 6.9 |
| 2016 | 30.8°C | 26.1°C | 21.4°C | 35.6°C | 17.0°C | 165 mm | 78% | 2.4 m/s | 6.1 |
| 2015 | 29.4°C | 25.0°C | 20.6°C | 34.3°C | 15.4°C | 159 mm | 82% | 2.3 m/s | 5.8 |
| 2014 | 30.5°C | 24.2°C | 17.9°C | 38.5°C | 11.7°C | 55 mm | 65% | 2.6 m/s | 6.6 |
| 2013 | 32.5°C | 26.0°C | 19.6°C | 38.2°C | 13.7°C | 53 mm | 62% | 2.6 m/s | 6.3 |
| 2012 🔥 | 38.9°C | 31.5°C | 24.0°C | 43.5°C | 19.9°C | 23 mm | 41% | 2.7 m/s | 7 |
| 2011 | 37.1°C | 30.5°C | 23.8°C | 41.5°C | 17.9°C | 69 mm | 59% | 2.5 m/s | 7 |
| 2010 | 30.2°C | 26.0°C | 21.7°C | 33.5°C | 15.8°C | 175 mm | 83% | 2.5 m/s | 6.4 |
| 2009 ❄️ | 27.7°C | 22.7°C | 17.7°C | 31.9°C | 12.7°C | 129 mm | 77% | 2.3 m/s | 6 |
| 2008 | 29.6°C | 24.6°C | 19.7°C | 34.2°C | 12.8°C | 133 mm | 81% | 2.7 m/s | 6.2 |
| 2007 | 29.0°C | 24.3°C | 19.5°C | 32.5°C | 14.7°C | 59 mm | 79% | 2.2 m/s | 6.4 |
| 2006 | 34.3°C | 27.8°C | 21.4°C | 41.0°C | 15.0°C | 96 mm | 60% | 2.8 m/s | 6.8 |
| 2005 | 31.5°C | 25.5°C | 19.6°C | 37.6°C | 12.7°C | 67 mm | 66% | 2.3 m/s | 6.9 |
| 2004 | 28.3°C | 23.5°C | 18.8°C | 34.2°C | 12.6°C | 184 mm | 82% | 2.4 m/s | 5.9 |
| 2003 | 36.2°C | 28.5°C | 20.9°C | 41.3°C | 15.7°C | 19 mm | 52% | 3 m/s | 7.2 |
| 2002 | 35.1°C | 28.3°C | 21.5°C | 40.3°C | 16.2°C | 47 mm | 59% | 2.6 m/s | 6.6 |
| 2001 | 33.0°C | 27.4°C | 21.8°C | 38.9°C | 16.1°C | 113 mm | 71% | 2.6 m/s | 6.5 |
| 2000 | 32.8°C | 26.5°C | 20.2°C | 38.8°C | 15.5°C | 92 mm | 67% | 2.5 m/s | 6.3 |
| 1999 | 30.9°C | 25.8°C | 20.6°C | 37.6°C | 13.8°C | 37 mm | 78% | 3 m/s | 6.8 |
| 1998 | 31.5°C | 26.4°C | 21.2°C | 39.3°C | 16.7°C | 179 mm | 74% | 2.4 m/s | 5.6 |
| 1997 | 32.4°C | 26.4°C | 20.4°C | 38.1°C | 12.5°C | 74 mm | 67% | 2.7 m/s | 6.8 |
| 1996 | 29.9°C | 24.4°C | 18.9°C | 37.6°C | 12.2°C | 133 mm | 72% | 2.3 m/s | 6.1 |
| 1995 | 29.3°C | 24.7°C | 20.0°C | 33.4°C | 12.0°C | 113 mm | 82% | 2.3 m/s | 6.6 |
| 1994 | 30.0°C | 24.3°C | 18.6°C | 33.9°C | 13.6°C | 93 mm | 71% | 2.3 m/s | 6.5 |
| 1993 🌧️ | 29.0°C | 25.1°C | 21.3°C | 31.2°C | 16.0°C | 358 mm | 87% | 3 m/s | 5.5 |
| 1992 | 29.3°C | 24.2°C | 19.2°C | 33.6°C | 14.1°C | 239 mm | 78% | 2.8 m/s | 5.9 |
| 1991 | 35.7°C | 28.2°C | 20.7°C | 40.5°C | 15.7°C | 40 mm | 52% | 2.8 m/s | 7 |
| 1990 | 29.1°C | 24.0°C | 19.0°C | 33.3°C | 11.8°C | 103 mm | 77% | 3.1 m/s | 6.3 |
| 1989 | 32.0°C | 26.1°C | 20.3°C | 37.5°C | 14.8°C | 92 mm | 66% | 2.4 m/s | 6.2 |
| 1988 | 33.6°C | 26.9°C | 20.2°C | 39.0°C | 13.2°C | 60 mm | 60% | 2.6 m/s | 6.1 |
| 1987 | 30.7°C | 25.4°C | 20.0°C | 36.9°C | 12.7°C | 75 mm | 76% | 2.9 m/s | 6.5 |
| 1986 | 30.9°C | 25.7°C | 20.6°C | 37.7°C | 16.1°C | 163 mm | 78% | 3.1 m/s | 6.8 |
| 1985 | 31.2°C | 25.0°C | 18.8°C | 36.5°C | 14.9°C | 81 mm | 69% | 2.6 m/s | 6.8 |
| 1984 | 29.4°C | 23.5°C | 17.6°C | 32.9°C | 14.1°C | 57 mm | 72% | 2.4 m/s | 6.6 |
| 1983 | 33.2°C | 26.9°C | 20.6°C | 39.8°C | 15.5°C | 16 mm | 67% | 3.1 m/s | — |
| 1982 | 29.4°C | 24.8°C | 20.2°C | 32.4°C | 16.8°C | 85 mm | 80% | 2.7 m/s | — |
| 1981 | 30.2°C | 25.6°C | 20.9°C | 35.2°C | 14.8°C | 175 mm | 81% | 2.7 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 31.6°C with lows near 20.4°C (mean 26°C), based on 45 years of NASA POWER data.
July averages 108 mm of rainfall in Olathe, a relatively wet time of year. The wettest on record was 358 mm in 1993.
The hottest July reached 43.5°C in 2012. The coldest dipped to 11.7°C in 2014.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 1.4°C. Daytime highs moved from 30.7°C to 32.4°C and overnight lows from 19.6°C to 20.9°C over the same span.
July is one of the warmer months of the year in Olathe and a relatively wet time of year, so plan for around 31.6°C daytime highs and 20.4°C at night.
Not quite — July is the 12th coolest month in Olathe, averaging 26°C.
For July in Olathe, pack light, breathable clothing and sun protection, with typical highs of 31.6°C and lows of 20.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 71% — moderately humid.
Average wind speed in July is 2.5 m/s. The windiest July on record averaged 3.1 m/s (1983).
The wettest July on record was 1993 with 358 mm. On average, July sees 108 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 July, 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 July specifically, along with year-by-year records and how the month has changed over the decades.
