Olathe, KS weather in August
August in Olathe: warm and humid, with some rain. Highs 87°F, lows 67°F, about 8 wet days. This is the peak of the warm season in Olathe.
- Normal high
- 87°F
- Normal low
- 67°F
- Wet days
- 8
- 4.5 in total
- Muggy days
- 19
- dew point 65°F+
How August changes from start to finish
| August 1 | August 31 | |
|---|---|---|
| Normal high | 88°F | 84°F |
| Normal low | 69°F | 64°F |
| Chance of a wet day | 25% | 25% |
| Sunrise / sunset | 6:20 am / 8:30 pm | 6:47 am / 7:51 pm |
| Daylight | 14.2 h | 13.1 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Central Time).
A typical August day
- 6 am71°Fdew point 65°F
- 9 am78°Fdew point 66°F
- Noon84°Fdew point 66°F
- 3 pm87°Fdew point 65°F
- 6 pm84°Fdew point 65°F
- 9 pm79°Fdew point 66°F
NOAA hourly normals (local standard time) from Kansas City Downtown Airport (20 mi away); average wind 7 mph; clear or few clouds in 75% of daytime hours, mostly cloudy or overcast in 18%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F2 of 31
- Hot dayshigh 90°F or more12 of 31
- Muggy daysdaily mean dew point 65°F or more19 of 31
- Wet daysat least 0.01 in of rain or melted snow8 of 31
- Notable rainat least 0.10 in6 of 31
- Freezing nightslow 32°F or below0 of 31
- Snow on the groundsnow depth 1 in or more0 of 31
Average days per August, counted from daily records for each year 1991-2020.
Rain in August
Normal precipitation is 4.5 in; a dry August brings about 1.9 in and a wet one about 6.5 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 2 an inch or more.
How August varies from year to year
- Warmest August, 1991-20202000: average high 95°F
- Coolest August2017: average high 81°F
- Wettest August2004: 11.2 in
- Driest August2012: 0.8 in
- Highest reading110°F (August 2, 2011)
- Lowest reading51°F (August 24, 2015)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
August compared with July and September
| July | August | September | |
|---|---|---|---|
| Normal high | 88°F | 87°F | 78°F |
| Normal low | 69°F | 67°F | 59°F |
| Wet days | 8 | 8 | 8 |
| Comfortable days | 1 | 2 | 12 |
| Daylight | 14.6 h | 13.6 h | 12.4 h |
Highs change by -1°F from July and -9°F into September.
Nearby alternatives in August
- Warmer: Tulsa, OK199 mi · high 93°F · 7 wet days
How Olathe ranks in August
- Normal high179th warmest of 378 cities; 3rd of 3 in Kansas
- Wet days149th driest of 378
- Comfortable days171st most of 341
What to pack for Olathe in August
- Light, breathable clothing – highs near 87°F and about 19 muggy days
Heating and cooling
August has 1 heating degree days and 373 cooling degree days (base 65°F), 6% of the year's total heating and cooling demand.
Questions
How hot is Olathe in August?
The normal high is 87°F and the normal low is 67°F. From 1991 to 2020 the hottest August reading was 110°F (August 2, 2011).
Does it rain a lot in Olathe in August?
About 8 days in August have at least 0.01 in of precipitation, and the normal total is 4.5 in. The wettest August in 1991-2020 was in 2004 (11.2 in); the driest was in 2012 (0.8 in).
Is August a good time to visit Olathe?
August ranks 9th of 12 months on our comfort score for Olathe (47 out of 100). It has about 2 comfortable days and about 12 days at 90°F or hotter. The best months are April and May.
Where the numbers come from
- Temperature and frost dates: Olathe Johnson Co Exec Airport (USW00003967), 4.8 mi ESE of the city center, 1,070 ft . NOAA normals and daily records, 1991-2020.
- Rain, snowfall and snow depth: Bonner Springs (USC00140957), 13 mi NNW of the city center, 850 ft (185 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour and cloud cover: Kansas City Downtown Airport (USW00013988), 20 mi NE of the city center, 742 ft (293 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: New Century Aircenter Arpt (724475-93909), 5.6 mi SW of the city center, 1,055 ft . Hourly observations, 1991-2020.