Longtown, MO
Climate overview — based on NOAA 1991-2020 normals from PERRYVILLE WTP, MO US.
Year-round temperatures (°F)
Climate summary
Longtown has an annual average temperature of 55°F with about 46.2 inches of precipitation per year and 4.7 inches of snow. The warmest month is July (average high 88.3°F), and the coldest is January (average low 21.3°F). May is typically the wettest month (5.71 in) and January the driest (2.74 in). Snow typically falls from December through March.
Best time to visit Longtown
Full guide →Climate change signal
All-time records →28 of 366 (7.7%) of Longtown'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.
| 1900s | 7 | |
| 1910s | 19 | |
| 1940s | 0 | |
| 1950s | 104 | |
| 1960s | 40 | |
| 1970s | 31 | |
| 1980s | 69 | |
| 1990s | 23 | |
| 2000s | 22 | |
| 2010s | 35 | |
| 2020s | 16 |
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 | 41.0°F | 21.3°F | 31.2°F | 2.74 in | 1.3 in | 6 |
| February | 46.2°F | 24.6°F | 35.4°F | 2.77 in | 1.7 in | 6 |
| March | 56.1°F | 32.7°F | 44.4°F | 3.82 in | 0.5 in | 9 |
| April | 67.5°F | 42.1°F | 54.8°F | 5.53 in | — | 9 |
| May | 76.5°F | 52.8°F | 64.7°F | 5.71 in | — | 11 |
| June | 85.2°F | 62.3°F | 73.8°F | 4.34 in | — | 8 |
| July | 88.3°F | 66.1°F | 77.2°F | 3.93 in | — | 8 |
| August | 87.2°F | 63.5°F | 75.3°F | 3.33 in | — | 7 |
| September | 80.7°F | 54.8°F | 67.8°F | 3.33 in | — | 6 |
| October | 69.6°F | 43.3°F | 56.4°F | 3.39 in | — | 7 |
| November | 55.6°F | 32.9°F | 44.2°F | 4.18 in | 0.1 in | 8 |
| December | 44.8°F | 25.4°F | 35.1°F | 3.16 in | 1.1 in | 7 |
Climate twins of Longtown
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).