Mount Vernon, IN
Climate overview — based on NOAA 1991-2020 normals from MT VERNON, IN US.
Year-round temperatures (°F)
Climate summary
Mount Vernon has an annual average temperature of 56°F with about 46.6 inches of precipitation per year and 8.4 inches of snow. The warmest month is July (average high 87.9°F), and the coldest is January (average low 22.9°F). April is typically the wettest month (5.06 in) and February the driest (2.93 in). Snow typically falls from October through March.
Best time to visit Mount Vernon
Full guide →Climate change signal
All-time records →11 of 366 (3%) of Mount Vernon'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.
| 1880s | 0 | |
| 1890s | 42 | |
| 1900s | 78 | |
| 1910s | 45 | |
| 1920s | 34 | |
| 1930s | 20 | |
| 1940s | 12 | |
| 1950s | 32 | |
| 1960s | 28 | |
| 1970s | 13 | |
| 1980s | 27 | |
| 1990s | 7 | |
| 2000s | 6 | |
| 2010s | 18 | |
| 2020s | 4 |
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 | 41.6°F | 22.9°F | 32.3°F | 3.53 in | 2.4 in | 9 |
| February | 46.0°F | 25.7°F | 35.9°F | 2.93 in | 3.1 in | 8 |
| March | 55.5°F | 33.8°F | 44.7°F | 4.53 in | 1.5 in | 10 |
| April | 67.4°F | 43.7°F | 55.5°F | 5.06 in | — | 11 |
| May | 76.7°F | 54.4°F | 65.6°F | 4.98 in | — | 11 |
| June | 85.0°F | 63.7°F | 74.4°F | 4.63 in | — | 9 |
| July | 87.9°F | 66.6°F | 77.3°F | 3.64 in | — | 8 |
| August | 87.3°F | 64.7°F | 76.0°F | 2.95 in | — | 6 |
| September | 81.6°F | 57.3°F | 69.4°F | 3.20 in | — | 7 |
| October | 70.3°F | 45.4°F | 57.9°F | 3.49 in | 0.2 in | 7 |
| November | 56.6°F | 35.3°F | 45.9°F | 3.89 in | 0.1 in | 9 |
| December | 45.9°F | 27.3°F | 36.6°F | 3.79 in | 1.1 in | 10 |
Climate twins of Mount Vernon
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).