Dayton, TN
Climate overview — based on NOAA 1991-2020 normals from DAYTON 2SE, TN US.
Year-round temperatures (°F)
Climate summary
Dayton has an annual average temperature of 58.4°F with about 58.7 inches of precipitation per year and 1.6 inches of snow. The warmest month is July (average high 87.6°F), and the coldest is January (average low 28.3°F). December is typically the wettest month (6.04 in) and October the driest (3.62 in). Snow typically falls from December through March.
Best time to visit Dayton
Full guide →Climate change signal
All-time records →63 of 366 (17.2%) 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.
| 1950s | 25 | |
| 1960s | 74 | |
| 1970s | 46 | |
| 1980s | 82 | |
| 1990s | 18 | |
| 2000s | 33 | |
| 2010s | 68 | |
| 2020s | 20 |
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 | 47.4°F | 28.3°F | 37.8°F | 5.21 in | 0.3 in | 11 |
| February | 52.0°F | 31.4°F | 41.7°F | 5.09 in | 0.6 in | 11 |
| March | 60.9°F | 37.6°F | 49.2°F | 5.33 in | 0.4 in | 11 |
| April | 70.5°F | 46.1°F | 58.3°F | 5.38 in | — | 10 |
| May | 78.0°F | 55.0°F | 66.5°F | 4.79 in | — | 11 |
| June | 84.7°F | 63.4°F | 74.0°F | 4.50 in | — | 12 |
| July | 87.6°F | 67.0°F | 77.3°F | 5.29 in | — | 13 |
| August | 87.4°F | 65.9°F | 76.7°F | 3.88 in | — | 11 |
| September | 82.1°F | 59.6°F | 70.8°F | 4.82 in | — | 9 |
| October | 71.2°F | 47.5°F | 59.3°F | 3.62 in | — | 8 |
| November | 59.4°F | 37.0°F | 48.2°F | 4.79 in | — | 9 |
| December | 50.3°F | 31.3°F | 40.8°F | 6.04 in | 0.3 in | 11 |
Climate twins of Dayton
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).