Lee's Summit, MO weather in August
August in Lee's Summit: warm and often humid, with some rain. Highs 86°F, lows 66°F, about 7 days with rain. This is the peak of the warm season in Lee's Summit.
- Normal high
- 86°F
- Normal low
- 66°F
- Wet days
- 7
- 4.7 in total
- Muggy days
- 19
- dew point 65°F+
How August changes from start to finish
| August 1 | August 31 | |
|---|---|---|
| Normal high | 88°F | 83°F |
| Normal low | 68°F | 62°F |
| Chance of a wet day | 24% | 23% |
| Sunrise / sunset | 6:18 am / 8:29 pm | 6:45 am / 7:50 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 (19 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°F3 of 31
- Hot dayshigh 90°F or more10 of 31
- Muggy daysdaily mean dew point 65°F or more19 of 31
- Wet daysat least 0.01 in of rain or melted snow7 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 2.2 in and a wet one about 5.9 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, 1991-20202003: average high 94°F
- Coolest August1992: average high 80°F
- Wettest August2017: 13.2 in
- Driest August2012: 0.8 in
- Highest reading107°F (August 3, 2011)
- Lowest reading49°F (August 21, 1991)
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 | 87°F | 86°F | 78°F |
| Normal low | 68°F | 66°F | 57°F |
| Wet days | 8 | 7 | 7 |
| Comfortable days | 2 | 3 | 10 |
| Daylight | 14.6 h | 13.6 h | 12.4 h |
Highs change by -1°F from July and -8°F into September.
Nearby alternatives in August
- Warmer: Wichita, KS181 mi · high 91°F · 8 wet days
How Lee's Summit ranks in August
- Normal high192nd warmest of 378 cities; 7th of 7 in Missouri
- Wet days140th driest of 378
- Comfortable days160th most of 341
What to pack for Lee's Summit in August
- Light, breathable clothing – highs near 86°F and about 19 muggy days
Heating and cooling
August has 2 heating degree days and 338 cooling degree days (base 65°F), 5% of the year's total heating and cooling demand.
Questions
How hot is Lee's Summit in August?
The normal high is 86°F and the normal low is 66°F. From 1991 to 2020 the hottest August reading was 107°F (most recently on August 3, 2011).
Does it rain a lot in Lee's Summit in August?
About 7 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 (13.2 in); the driest was in 2012 (0.8 in).
Is August a good time to visit Lee's Summit?
August ranks 7th of 12 months on our comfort score for Lee's Summit (49 out of 100). It has about 3 comfortable days and about 10 days at 90°F or hotter. The best months are April and May.
Where the numbers come from
- Temperature: Independence (USC00234154), 11 mi N of the city center, 985 ft (54 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Rain and snowfall: Unity Village (USC00238524), 2.7 mi NNW of the city center, 942 ft (97 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Snow depth: Pleasant Hill WFO (USC00236745), 9.4 mi SE of the city center, 1,000 ft . NOAA normals and daily records, 1991-2020.
- Frost dates: Lees Summit Muni Airport (USW00053879), 3.4 mi N of the city center, 997 ft . NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour and cloud cover: Kansas City Downtown Airport (USW00013988), 19 mi NW of the city center, 742 ft (297 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: C.r. Wheeler Downtown Arpt (724463-13988), 19 mi NW of the city center, 742 ft (297 ft lower than the city). Hourly observations, 1991-2020.