Black Jack, MO
Climate overview — based on NOAA 1991-2020 normals from ST LOUIS LAMBERT INTL AP, MO US.
Year-round temperatures (°F)
Climate summary
Black Jack has an annual average temperature of 57.4°F with about 41.7 inches of precipitation per year and 16.6 inches of snow. The warmest month is July (average high 89.6°F), and the coldest is January (average low 23.8°F). May is typically the wettest month (4.82 in) and February the driest (2.23 in). Snow typically falls from November through April.
Best time to visit Black Jack
Full guide →Climate change signal
All-time records →58 of 366 (15.8%) of Black Jack'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.
| 1930s | 17 | |
| 1940s | 47 | |
| 1950s | 65 | |
| 1960s | 30 | |
| 1970s | 25 | |
| 1980s | 36 | |
| 1990s | 22 | |
| 2000s | 24 | |
| 2010s | 68 | |
| 2020s | 32 |
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 | 40.4°F | 23.8°F | 32.1°F | 2.59 in | 5.7 in | 9 |
| February | 45.8°F | 27.6°F | 36.7°F | 2.23 in | 4.3 in | 9 |
| March | 56.6°F | 36.7°F | 46.6°F | 3.50 in | 2.3 in | 11 |
| April | 68.0°F | 47.0°F | 57.5°F | 4.73 in | 0.2 in | 12 |
| May | 77.1°F | 57.9°F | 67.5°F | 4.82 in | — | 13 |
| June | 85.9°F | 67.2°F | 76.5°F | 4.49 in | — | 10 |
| July | 89.6°F | 71.1°F | 80.4°F | 3.93 in | — | 9 |
| August | 88.3°F | 69.3°F | 78.8°F | 3.38 in | — | 8 |
| September | 81.1°F | 60.9°F | 71.0°F | 2.96 in | — | 7 |
| October | 69.2°F | 49.1°F | 59.1°F | 3.15 in | — | 9 |
| November | 55.5°F | 37.4°F | 46.5°F | 3.42 in | 0.9 in | 9 |
| December | 44.5°F | 28.5°F | 36.5°F | 2.50 in | 3.2 in | 9 |
Climate twins of Black Jack
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).