Southwest City, MO
Climate overview — based on NOAA 1991-2020 normals from GRAVETTE, AR US.
Year-round temperatures (°F)
Climate summary
Southwest City has an annual average temperature of 60.5°F with about 48.6 inches of precipitation per year and 12.5 inches of snow. The warmest month is July (average high 92.5°F), and the coldest is January (average low 28.7°F). May is typically the wettest month (6.21 in) and February the driest (2.66 in). Snow typically falls from November through March.
Best time to visit Southwest City
Full guide →Climate change signal
All-time records →39 of 366 (10.7%) of Southwest City's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.
| 1890s | 2 | |
| 1900s | 37 | |
| 1910s | 25 | |
| 1920s | 17 | |
| 1930s | 83 | |
| 1940s | 18 | |
| 1950s | 44 | |
| 1960s | 15 | |
| 1970s | 10 | |
| 1980s | 16 | |
| 1990s | 16 | |
| 2000s | 22 | |
| 2010s | 28 | |
| 2020s | 33 |
Bars: number of all-time daily heat records still standing that were set in each decade.
Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | 48.8°F | 28.7°F | 38.7°F | 2.81 in | 3.6 in | 8 |
| February | 53.9°F | 32.5°F | 43.2°F | 2.66 in | 2.9 in | 7 |
| March | 63.4°F | 40.8°F | 52.1°F | 3.92 in | 3.6 in | 9 |
| April | 72.5°F | 49.0°F | 60.7°F | 4.82 in | 0.1 in | 9 |
| May | 79.5°F | 57.5°F | 68.5°F | 6.21 in | — | 10 |
| June | 87.4°F | 65.8°F | 76.6°F | 4.65 in | — | 9 |
| July | 92.5°F | 69.2°F | 80.9°F | 3.93 in | — | 8 |
| August | 92.1°F | 67.8°F | 80.0°F | 3.47 in | — | 7 |
| September | 84.2°F | 60.4°F | 72.3°F | 4.45 in | — | 8 |
| October | 72.9°F | 49.9°F | 61.4°F | 4.56 in | 0.1 in | 9 |
| November | 60.7°F | 39.8°F | 50.3°F | 3.93 in | 0.5 in | 8 |
| December | 51.1°F | 31.9°F | 41.5°F | 3.17 in | 1.7 in | 8 |
Climate twins of Southwest City
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).