Mount Vernon, TX
Climate overview — based on NOAA 1991-2020 normals from MT VERNON, TX US.
Year-round temperatures (°F)
Climate summary
Mount Vernon has an annual average temperature of 64.6°F with about 48.2 inches of precipitation per year and 1.6 inches of snow. The warmest month is August (average high 94.6°F), and the coldest is January (average low 34.2°F). May is typically the wettest month (5.07 in) and August the driest (3.10 in). Snow typically falls from January through February.
Best time to visit Mount Vernon
Full guide →Climate change signal
All-time records →74 of 366 (20.2%) 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.
| 1960s | 14 | |
| 1970s | 42 | |
| 1980s | 36 | |
| 1990s | 38 | |
| 2000s | 98 | |
| 2010s | 98 | |
| 2020s | 40 |
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 | 55.6°F | 34.2°F | 44.9°F | 3.41 in | 0.5 in | 8 |
| February | 60.2°F | 37.7°F | 49.0°F | 3.73 in | 0.9 in | 8 |
| March | 68.1°F | 44.5°F | 56.3°F | 4.52 in | 0.1 in | 9 |
| April | 75.5°F | 51.8°F | 63.6°F | 4.13 in | — | 8 |
| May | 82.2°F | 61.4°F | 71.8°F | 5.07 in | — | 9 |
| June | 90.0°F | 69.4°F | 79.7°F | 4.17 in | — | 8 |
| July | 94.3°F | 72.8°F | 83.5°F | 3.18 in | — | 6 |
| August | 94.6°F | 71.9°F | 83.3°F | 3.10 in | — | 6 |
| September | 88.2°F | 64.7°F | 76.4°F | 3.58 in | — | 6 |
| October | 77.3°F | 53.8°F | 65.6°F | 4.74 in | — | 7 |
| November | 65.8°F | 43.8°F | 54.8°F | 3.86 in | — | 7 |
| December | 57.6°F | 36.1°F | 46.8°F | 4.70 in | 0.1 in | 8 |
Climate twins of Mount Vernon
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).