Smyrna, TN
Climate overview — based on NOAA 1991-2020 normals from SMYRNA 6S, TN US.
Year-round temperatures (°F)
Avg high
Avg low
Climate summary
Smyrna has an annual average temperature of 57.9°F with about 0 inches of precipitation per year. The warmest month is August (average high 90.0°F), and the coldest is January (average low 26.4°F).
Pleasant months
1 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
40.4°F
warmest to coldest month
Best time to visit Smyrna
Full guide →Climate change signal
All-time records →0 of 366 (0%) of Smyrna'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 | 0 | |
| 1950s | 0 | |
| 1990s | 52 | |
| 2000s | 184 | |
| 2010s | 130 |
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 | 48.1°F | 26.4°F | 37.3°F | in | — | — |
| February | 52.3°F | 28.8°F | 40.5°F | in | — | — |
| March | 61.3°F | 35.0°F | 48.2°F | in | — | — |
| April | 71.3°F | 43.8°F | 57.5°F | in | — | — |
| May | 79.0°F | 52.8°F | 65.9°F | in | — | — |
| June | 86.2°F | 61.3°F | 73.8°F | in | — | — |
| July | 89.7°F | 65.7°F | 77.7°F | in | — | — |
| August | 90.0°F | 64.0°F | 77.0°F | in | — | — |
| September | 84.6°F | 56.4°F | 70.5°F | in | — | — |
| October | 73.3°F | 44.0°F | 58.6°F | in | — | — |
| November | 60.8°F | 33.4°F | 47.1°F | in | — | — |
| December | 51.5°F | 29.6°F | 40.5°F | in | — | — |
Last spring / first fall frost
All-time recordsHottest, coldest, wettest
Planting calendarWhat to plant, and when