Olathe weather in August: Olathe, Kansas: normal highs, lows, rain and records for August
Olathe in August has a normal high of 87°F and a normal low of 67°F, a daily mean of 77°F, falling from 88°F on the 1st to 84°F by the 31st. Measurable precipitation falls on 9 days in a normal August, 4.38 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 30°C and low of 20°C, 111 mm of precipitation in August.
- NOAA stationOlathe Johnson County Exec Airport
- Station IDUSW00003967
- Location38.85°N 94.74°W
- Elevation1,070 ft (326 m)
- Population149,035
- Jan 39° 21°
- Feb 44° 25°
- Mar 55° 35°
- Apr 65° 45°
- May 74° 55°
- Jun 83° 65°
- Jul 88° 69°
- Aug 87° 67°
- Sep 78° 59°
- Oct 67° 47°
- Nov 53° 35°
- Dec 42° 25°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Olathe in August?
The normal high is 87°F and the normal low 67°F, for a daily mean of 77.0°F. August is 1.2°F cooler than July and 8.6°F warmer than September. August is the 2nd warmest month of the year in Olathe and the 3rd wettest. Across the month the normal high falls 4°F, from 88°F on August 1 to 84°F on August 31. From one year to the next August's mean temperature typically moves about 2.9°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 74°F and 80°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 30%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| August 1 | 88°F | 69°F | 29% | 16% |
| August 8 | 88°F | 69°F | 30% | 17% |
| August 15 | 87°F | 68°F | 30% | 17% |
| August 22 | 86°F | 66°F | 30% | 18% |
| August 31 | 84°F | 64°F | 29% | 18% |
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| August 1 | 88°F | 69°F | 29% | 16% | 14 h 10 min |
| August 2 | 88°F | 69°F | 29% | 17% | 14 h 10 min |
| August 3 | 88°F | 69°F | 29% | 17% | 14 h 10 min |
| August 4 | 88°F | 69°F | 29% | 17% | 14 h 10 min |
| August 5 | 88°F | 69°F | 29% | 17% | 14 h |
| August 6 | 88°F | 69°F | 30% | 17% | 14 h |
| August 7 | 88°F | 69°F | 30% | 17% | 14 h |
| August 8 | 88°F | 69°F | 30% | 17% | 14 h |
| August 9 | 88°F | 69°F | 30% | 17% | 14 h |
| August 10 | 88°F | 69°F | 30% | 17% | 13 h 50 min |
| August 11 | 88°F | 68°F | 30% | 17% | 13 h 50 min |
| August 12 | 88°F | 68°F | 30% | 17% | 13 h 50 min |
| August 13 | 88°F | 68°F | 30% | 17% | 13 h 50 min |
| August 14 | 87°F | 68°F | 30% | 17% | 13 h 50 min |
| August 15 | 87°F | 68°F | 30% | 17% | 13 h 40 min |
| August 16 | 87°F | 68°F | 30% | 17% | 13 h 40 min |
| August 17 | 87°F | 68°F | 30% | 17% | 13 h 40 min |
| August 18 | 87°F | 67°F | 30% | 17% | 13 h 40 min |
| August 19 | 87°F | 67°F | 30% | 17% | 13 h 30 min |
| August 20 | 86°F | 67°F | 30% | 17% | 13 h 30 min |
| August 21 | 86°F | 67°F | 30% | 17% | 13 h 30 min |
| August 22 | 86°F | 66°F | 30% | 18% | 13 h 30 min |
| August 23 | 86°F | 66°F | 30% | 18% | 13 h 30 min |
| August 24 | 86°F | 66°F | 30% | 18% | 13 h 20 min |
| August 25 | 85°F | 66°F | 29% | 18% | 13 h 20 min |
| August 26 | 85°F | 65°F | 29% | 18% | 13 h 20 min |
| August 27 | 85°F | 65°F | 29% | 18% | 13 h 20 min |
| August 28 | 84°F | 65°F | 29% | 18% | 13 h 10 min |
| August 29 | 84°F | 65°F | 29% | 18% | 13 h 10 min |
| August 30 | 84°F | 64°F | 29% | 18% | 13 h 10 min |
| August 31 | 84°F | 64°F | 29% | 18% | 13 h 10 min |
- Normal high
- 87°FAugust average
- Normal low
- 67°FAugust average
- Precipitation
- 4.38 inmonth total
- Days with precipitation
- 90.01 inch or more
- Days at 90°F or more
- 12
- Daylight
- 14 h 10 min to 13 h 10 minAugust 1 to August 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 27
- Sunshine
- 82%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00003967; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Olathe in August?
On a given August day the chance of 0.01 inch or more is 29% on average, highest around August 15 (30%). In all, 4.38 in falls on 9 days of a normal August, 2 of them with an inch or more.
In a normal August in Olathe, 12 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00003967.
What are the records for August in Olathe?
The warmest August temperature on this station's record (since 1996) is 110°F, on August 2, 2011; the coldest is 51°F, on August 24, 2015. The wettest August brought 9.57 in (2017).
The August mean against the 1991-2020 normal of 77.0°F: 2021 78.5°F (+1.5), 2022 78.7°F (+1.7), 2023 79.8°F (+2.8), 2024 76.9°F (−0.1), 2025 75.5°F (−1.5), 2026 79.2°F (+2.2). 4 of 6 ran warmer than normal.
| August | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 78.5°F | +1.5°F | 8.71 in |
| 2022 | 78.7°F | +1.7°F | 3.46 in |
| 2023 | 79.8°F | +2.8°F | 2.28 in |
| 2024 | 76.9°F | −0.1°F | 3.62 in |
| 2025 | 75.5°F | −1.5°F | 1.40 in |
| 2026 | 79.2°F | +2.2°F | 2.77 in |
Source: records: ACIS, station USW00003967; recent months: ACIS, station USW00003967. Records and recent months use complete months only.
How does August in Olathe compare across Kansas?
Across the 137 places PlainClimate covers in Kansas, August normal highs run from 85°F in Baileyville to 93°F in Ashland; Olathe's is 87°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.