Dayton, TX
Climate overview — based on NOAA 1991-2020 normals from BAYTOWN, TX US.
Year-round temperatures (°F)
Climate summary
Dayton has an annual average temperature of 68.7°F with about 64.7 inches of precipitation per year. The warmest month is August (average high 92.3°F), and the coldest is January (average low 41.4°F). June is typically the wettest month (7.08 in) and February the driest (3.78 in).
Best time to visit Dayton
Full guide →Climate change signal
All-time records →65 of 366 (17.8%) of Dayton'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.
| 1940s | 23 | |
| 1950s | 72 | |
| 1960s | 46 | |
| 1970s | 6 | |
| 1980s | 38 | |
| 1990s | 49 | |
| 2000s | 49 | |
| 2010s | 31 | |
| 2020s | 52 |
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 | 62.9°F | 41.4°F | 52.1°F | 4.85 in | — | 11 |
| February | 66.4°F | 45.3°F | 55.8°F | 3.78 in | — | 9 |
| March | 72.1°F | 52.0°F | 62.0°F | 3.94 in | — | 9 |
| April | 77.5°F | 58.5°F | 68.0°F | 4.51 in | — | 8 |
| May | 84.2°F | 66.7°F | 75.4°F | 6.01 in | — | 8 |
| June | 89.2°F | 72.7°F | 80.9°F | 7.08 in | — | 10 |
| July | 91.5°F | 74.6°F | 83.1°F | 5.49 in | — | 10 |
| August | 92.3°F | 74.3°F | 83.3°F | 6.82 in | — | 11 |
| September | 88.5°F | 69.0°F | 78.8°F | 6.41 in | — | 10 |
| October | 81.6°F | 59.6°F | 70.6°F | 6.13 in | — | 7 |
| November | 71.4°F | 50.1°F | 60.7°F | 4.94 in | — | 8 |
| December | 64.5°F | 43.6°F | 54.1°F | 4.77 in | — | 11 |
Climate twins of Dayton
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).