Alton, TX
Climate overview — based on NOAA 1991-2020 normals from LA JOYA, TX US.
Year-round temperatures (°F)
Climate summary
Alton has an annual average temperature of 73.4°F with about 20.2 inches of precipitation per year and 0.2 inches of snow. The warmest month is August (average high 96.7°F), and the coldest is January (average low 46.8°F). September is typically the wettest month (3.50 in) and January the driest (0.82 in). Snow typically falls from December through December.
Best time to visit Alton
Full guide →Climate change signal
All-time records →31 of 366 (8.5%) of Alton'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.
| 1990s | 141 | |
| 2000s | 129 | |
| 2010s | 88 | |
| 2020s | 8 |
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 | 69.1°F | 46.8°F | 58.0°F | 0.82 in | — | 3 |
| February | 74.0°F | 51.2°F | 62.6°F | 0.86 in | — | 3 |
| March | 79.3°F | 57.4°F | 68.4°F | 1.40 in | — | 3 |
| April | 84.9°F | 62.7°F | 73.8°F | 1.66 in | — | 3 |
| May | 89.9°F | 69.8°F | 79.8°F | 1.87 in | — | 3 |
| June | 94.6°F | 74.2°F | 84.4°F | 1.95 in | — | 3 |
| July | 95.1°F | 75.0°F | 85.1°F | 2.23 in | — | 4 |
| August | 96.7°F | 75.1°F | 85.9°F | 1.20 in | — | 3 |
| September | 92.1°F | 71.1°F | 81.6°F | 3.50 in | — | 6 |
| October | 86.5°F | 63.6°F | 75.0°F | 2.20 in | — | 3 |
| November | 78.0°F | 55.3°F | 66.7°F | 1.05 in | — | 3 |
| December | 70.7°F | 48.1°F | 59.4°F | 1.42 in | 0.2 in | 3 |
Climate twins of Alton
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).