Kansas City, MO weather in August
August in Kansas City: hot and often humid, with some rain. Highs 89°F, lows 70°F, rain on about 8 days. This is the peak of the warm season in Kansas City.
- Normal high
- 89°F
- Normal low
- 70°F
- Wet days
- 8
- 4.7 in total
- Muggy days
- 19
- dew point 65°F+
How August changes from start to finish
| August 1 | August 31 | |
|---|---|---|
| Normal high | 91°F | 86°F |
| Normal low | 72°F | 67°F |
| Chance of a wet day | 25% | 26% |
| Sunrise / sunset | 6:18 am / 8:30 pm | 6:46 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 (2 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 more14 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 4.7 in; a dry August brings about 1.9 in and a wet one about 6.4 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 1 an inch or more.
How August varies from year to year
- Warmest August, 1991-20202000: average high 96°F
- Coolest August1992: average high 82°F
- Wettest August2017: 11.3 in
- Driest August2000: 0.7 in
- Highest reading109°F (August 2, 2011)
- Lowest reading54°F (August 12, 2004)
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 | 90°F | 89°F | 80°F |
| Normal low | 72°F | 70°F | 61°F |
| Wet days | 8 | 8 | 8 |
| Comfortable days | 1 | 2 | 11 |
| Daylight | 14.6 h | 13.7 h | 12.4 h |
Highs change by -1°F from July and -9°F into September.
Nearby alternatives in August
- Cooler: Des Moines, IA180 mi · high 84°F · 9 wet days
How Kansas City ranks in August
- Normal high158th warmest of 378 cities; 3rd of 7 in Missouri
- Wet days151st driest of 378
- Comfortable days174th most of 341
What to pack for Kansas City in August
- Light, breathable clothing – highs near 89°F and about 19 muggy days
Heating and cooling
August has 1 heating degree days and 442 cooling degree days (base 65°F), 7% of the year's total heating and cooling demand.
Questions
How hot is Kansas City in August?
The normal high is 89°F and the normal low is 70°F. From 1991 to 2020 the hottest August reading was 109°F (August 2, 2011).
Does it rain a lot in Kansas City in August?
About 8 days in August have at least 0.01 in of precipitation, and the normal total is 4.7 in. The wettest August in 1991-2020 was in 2017 (11.3 in); the driest was in 2000 (0.7 in).
Is August a good time to visit Kansas City?
August ranks 8th of 12 months on our comfort score for Kansas City (45 out of 100). It has about 2 comfortable days and about 14 days at 90°F or hotter. The best months are April and May.
Where the numbers come from
- Temperature, rain, frost dates, humidity and wind by hour and cloud cover: Kansas City Downtown Airport (USW00013988), 1.8 mi NW of the city center, 742 ft (156 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Snowfall and snow depth: Kansas City Intl Airport (USW00003947), 16 mi NNW of the city center, 1,005 ft (107 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: C.r. Wheeler Downtown Arpt (724463-13988), 2.0 mi NNW of the city center, 742 ft (156 ft lower than the city). Hourly observations, 1991-2020.