Missouri weather in August: Statewide normals and every place, NOAA 1991-2020
In August, Missouri's statewide normal high is 87°F and normal low 65°F; normal highs run from 83°F in Canton to 91°F in Malden (NOAA 1991-2020 normals).
- Statewide normal high
- 87°FAugust, 1991-2020
- Statewide normal low
- 65°FAugust, 1991-2020
- Statewide normal precipitation
- 3.81 inAugust
- Warmest place
- 91°Fnormal high, Malden
- Coolest place
- 83°Fnormal high, Canton
Where is Missouri warmest and wettest in August?
Malden has the warmest August afternoons (91°F) and Canton the coolest (83°F). Unionville gets the most precipitation (5.29 in) and New Madrid the least (2.58 in).
Statewide, August averaged 77.4°F in 2021, 76.4°F in 2022, 76.5°F in 2023, 75.8°F in 2024, 75.0°F in 2025, 78.0°F in 2026, against a 1991-2020 normal of 75.9°F.
| Place | High | Low | Precip. | Snow |
|---|---|---|---|---|
| Kansas City | 87°F | 66°F | 4.24 | 0.0 |
| St. Louis | 88°F | 69°F | 3.38 | 0.0 |
| Springfield | 89°F | 67°F | 3.59 | 0.0 |
| Columbia | 88°F | 67°F | 4.14 | 0.0 |
| Independence | 86°F | 66°F | 5.06 | 0.0 |
| Lee's Summit | 87°F | 68°F | 4.54 | – |
| St. Charles | 88°F | 66°F | 3.68 | – |
| St. Joseph | 86°F | 65°F | 3.84 | – |
| St. Peters | 87°F | 65°F | 3.76 | 0.0 |
| Joplin | 90°F | 68°F | 3.36 | – |
| Jefferson City | 88°F | 66°F | 3.61 | – |
| Cape Girardeau | 88°F | 66°F | 3.23 | – |
| Ozark | 89°F | 65°F | 3.16 | 0.0 |
| Sedalia | 87°F | 65°F | 2.84 | – |
| Rolla | 88°F | 67°F | 4.52 | 0.0 |
| Warrensburg | 89°F | 65°F | 4.08 | – |
| Farmington | 88°F | 65°F | 3.82 | 0.0 |
| Kirksville | 84°F | 63°F | 3.94 | – |
| Hannibal | 84°F | 65°F | 3.92 | – |
| Poplar Bluff | 88°F | 67°F | 3.44 | – |
| Sikeston | 90°F | 68°F | 3.32 | 0.0 |
| Jackson | 89°F | 67°F | 3.61 | 0.0 |
| Carthage | 91°F | 68°F | – | – |
| Lebanon | 88°F | 65°F | 4.36 | 0.0 |
| Washington | 87°F | 65°F | 3.75 | 0.0 |
| Fort Leonard Wood | 87°F | 64°F | 4.17 | – |
| Marshall | 86°F | 65°F | 3.88 | 0.0 |
| Neosho | 89°F | 68°F | 3.65 | 0.0 |
| Festus | 87°F | 65°F | 3.59 | 0.0 |
| Moberly | 86°F | 66°F | 3.94 | 0.0 |
| Union | 89°F | 66°F | 3.84 | 0.0 |
| Branson | 88°F | 67°F | 4.15 | – |
| West Plains | 88°F | 66°F | 3.36 | – |
| Fulton | 85°F | 64°F | 4.03 | 0.0 |
| Bolivar | 88°F | 65°F | 3.71 | – |
| Mexico | 87°F | 65°F | 3.90 | – |
| Kearney | 87°F | 64°F | 4.03 | 0.0 |
| Smithville | 85°F | 66°F | 4.36 | – |
| Maryville | 85°F | 63°F | 4.22 | 0.0 |
| Kennett | 91°F | 67°F | – | – |
| Monett | 88°F | 66°F | 3.14 | 0.0 |
| Clinton | 89°F | 65°F | 4.03 | 0.0 |
| Warrenton | 87°F | 65°F | 3.54 | – |
| Chillicothe | 86°F | 65°F | 4.76 | – |
| Pleasant Hill | 87°F | 67°F | 4.38 | 0.0 |
| Perryville | 87°F | 64°F | 3.33 | 0.0 |
| Nevada | 88°F | 67°F | 3.83 | 0.0 |
| Marshfield | 87°F | 66°F | 3.35 | 0.0 |
| Boonville | 87°F | 66°F | 4.05 | – |
| Cameron | 86°F | 65°F | 4.22 | – |
| Richmond | 86°F | 63°F | 4.18 | – |
| Trenton | 87°F | 64°F | 4.27 | 0.0 |
| Waynesville | 89°F | 65°F | 4.61 | 0.0 |
| Weldon Spring | 87°F | 65°F | 3.58 | 0.0 |
| Caruthersville | 89°F | 70°F | 3.14 | – |
| Higginsville | 86°F | 65°F | 3.94 | 0.0 |
| Salem | 87°F | 63°F | 4.33 | 0.0 |
| Eldon | 88°F | 67°F | 4.05 | – |
| Mount Vernon | 89°F | 65°F | 3.03 | – |
| Mountain Grove | 87°F | 65°F | 3.42 | 0.0 |
| Lexington | 87°F | 66°F | 4.32 | 0.0 |
| Fredericktown | 87°F | 62°F | 3.90 | 0.0 |
| California | 87°F | 66°F | 3.88 | 0.0 |
| Bowling Green | 85°F | 65°F | 3.57 | 0.0 |
| Lamar | 88°F | 66°F | 3.78 | 0.0 |
| Butler | 88°F | 66°F | 3.75 | 0.0 |
| Brookfield | 86°F | 65°F | 4.37 | 0.0 |
| Malden | 91°F | 69°F | 3.03 | – |
| Buffalo | 88°F | 64°F | 4.20 | 0.0 |
| Carrollton | 87°F | 65°F | 4.39 | 0.0 |
| Cassville | 87°F | 65°F | 3.27 | – |
| Ava | 88°F | 63°F | 3.91 | – |
| Licking | 87°F | 65°F | 4.04 | 0.0 |
| Vandalia | 85°F | 64°F | 3.37 | – |
| Bethany | 85°F | 64°F | 4.20 | 0.0 |
| Windsor | 88°F | 67°F | – | – |
| Canton | 83°F | 64°F | 4.11 | – |
| Portageville | 87°F | 69°F | 2.64 | 0.0 |
| Monroe City | 85°F | 64°F | 3.77 | – |
| Versailles | 87°F | 67°F | 3.62 | – |
| New Madrid | 89°F | 68°F | 2.58 | – |
| Potosi | 85°F | 65°F | 4.00 | 0.0 |
| Houston | 86°F | 65°F | 4.27 | 0.0 |
| Anderson | 87°F | 66°F | 3.73 | 0.0 |
| Elsberry | 85°F | 64°F | 3.16 | 0.0 |
| Gallatin | 84°F | 63°F | 4.22 | 0.0 |
| Stockton | 90°F | 68°F | 3.63 | 0.0 |
| Doniphan | 89°F | 66°F | 3.77 | 0.0 |
| Hamilton | 86°F | 64°F | 4.27 | 0.0 |
| Memphis | 84°F | 62°F | 3.78 | 0.0 |
| Albany | 87°F | 64°F | 3.95 | – |
| Unionville | 84°F | 64°F | 5.29 | 0.0 |
| Salisbury | 87°F | 65°F | 3.64 | – |
| Shelbina | 85°F | 63°F | 4.22 | 0.0 |
| Ash Grove | 90°F | 66°F | 3.46 | 0.0 |
| Tarkio | 84°F | 63°F | – | – |
| Steelville | 87°F | 60°F | – | – |
| Marble Hill | 89°F | 66°F | 3.90 | – |
| Advance | 88°F | 66°F | – | – |
| Sweet Springs | 87°F | 65°F | 4.36 | 0.0 |
| Mansfield | 87°F | 66°F | 3.35 | 0.0 |
| Billings | 89°F | 65°F | 3.52 | 0.0 |
| Cole Camp | 87°F | 65°F | 4.10 | 0.0 |
| Appleton City | 87°F | 67°F | 4.13 | 0.0 |
| New Franklin | 86°F | 65°F | 4.03 | 0.0 |
| Winona | 87°F | 62°F | 3.81 | – |
| Princeton | 84°F | 63°F | 4.25 | – |
| Osceola | 89°F | 66°F | 3.82 | 0.0 |
| Seligman | 88°F | 64°F | – | – |
| Diamond | 90°F | 65°F | 3.48 | – |
| Lockwood | 89°F | 66°F | 3.72 | 0.0 |
| Oregon | 86°F | 65°F | – | – |
| Waverly | 86°F | 66°F | 4.24 | – |
| Brunswick | 85°F | 67°F | 3.85 | 0.0 |
| Grant City | 84°F | 63°F | – | – |
| Iberia | 87°F | 66°F | 3.69 | 0.0 |
| Alton | 88°F | 64°F | 3.92 | 0.0 |
| Vienna | 90°F | 66°F | 3.81 | – |
| Green City | 84°F | 61°F | 4.75 | – |
| Eminence | 91°F | 64°F | 3.79 | 0.0 |
| Galena | 89°F | 65°F | 2.98 | 0.0 |
| Summersville | 87°F | 65°F | – | – |
| Washburn | 89°F | 67°F | 3.39 | – |
| Rosebud | 87°F | 61°F | 3.94 | 0.0 |
| Clarksville | 86°F | 67°F | 3.53 | 0.0 |
| Linneus | 84°F | 64°F | 3.21 | – |
| Spickard | 85°F | 64°F | 4.50 | – |
| Conception | 85°F | 64°F | 4.05 | 0.0 |
| Cosby | 85°F | 64°F | 3.95 | – |
| Saverton | 87°F | 67°F | 3.52 | – |
| Wasola | 87°F | 65°F | 3.24 | – |
| Amity | 85°F | 63°F | 4.41 | 0.0 |
| Grovespring | 87°F | 64°F | 3.47 | – |
| Clearwater Dam | 88°F | 66°F | 3.25 | – |
| Dora (3 mi SE) | 88°F | 65°F | 3.73 | 0.0 |
| Eldorado Springs | 88°F | 66°F | 3.93 | 0.0 |
| Elm | 87°F | 65°F | 4.43 | 0.0 |
| Freedom | 87°F | 64°F | 4.31 | 0.0 |
| Gentryville | 89°F | 65°F | – | – |
| Kansas City Downtown Airport | 89°F | 70°F | 4.68 | 0.0 |
| Lakeside | 88°F | 68°F | 4.20 | 0.0 |
| Lees Summit Reed Wildlife Refuge | 85°F | 65°F | – | – |
| Long Branch Reservoir | 86°F | 66°F | 3.82 | – |
| Oldfield | 85°F | 59°F | 4.29 | 0.0 |
| Ozark Beach | 91°F | 65°F | 3.11 | 0.0 |
| Pomme De Terre Dam | 88°F | 67°F | 3.99 | – |
| Round Spring (2 mi SW) | 88°F | 63°F | 4.35 | 0.0 |
| Springfield Wbo | 88°F | 67°F | 3.57 | – |
| St Louis Science Center | 89°F | 70°F | 3.75 | – |
| St Louis Spirit of St. Louis Airport | 88°F | 66°F | 3.44 | – |
| Steffenville | 84°F | 64°F | 3.88 | 0.0 |
| Truman Dam & Reservoir | 89°F | 67°F | 3.96 | – |
| Vichy Rolla National Airport | 87°F | 66°F | 3.66 | – |
| Wappapello Dam | 87°F | 67°F | 3.55 | – |
Source: NOAA NCEI nClimDiv statewide normals; NOAA NCEI 1991-2020 monthly normals for each station.