Sweetwater, TN
Climate overview — based on NOAA 1991-2020 normals from DECATUR 7NE, TN US.
Year-round temperatures (°F)
Climate summary
Sweetwater has an annual average temperature of 58.4°F with about 57.6 inches of precipitation per year and 3.3 inches of snow. The warmest month is July (average high 89.1°F), and the coldest is January (average low 27.6°F). December is typically the wettest month (5.72 in) and October the driest (3.24 in). Snow typically falls from December through February.
Best time to visit Sweetwater
Full guide →Climate change signal
All-time records →144 of 366 (39.3%) of Sweetwater'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 | 42 | |
| 2000s | 121 | |
| 2010s | 145 | |
| 2020s | 58 |
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 | 48.2°F | 27.6°F | 37.9°F | 5.62 in | 0.9 in | 11 |
| February | 52.6°F | 30.3°F | 41.4°F | 5.24 in | 1.7 in | 11 |
| March | 61.5°F | 35.9°F | 48.7°F | 5.32 in | 0.1 in | 11 |
| April | 71.2°F | 43.7°F | 57.5°F | 5.42 in | — | 11 |
| May | 79.0°F | 53.8°F | 66.4°F | 4.60 in | — | 12 |
| June | 85.7°F | 62.9°F | 74.3°F | 4.79 in | — | 11 |
| July | 89.1°F | 67.0°F | 78.0°F | 5.36 in | — | 13 |
| August | 88.8°F | 65.6°F | 77.2°F | 3.28 in | — | 10 |
| September | 83.7°F | 58.9°F | 71.3°F | 4.35 in | — | 7 |
| October | 72.9°F | 45.5°F | 59.2°F | 3.24 in | — | 8 |
| November | 60.6°F | 34.6°F | 47.6°F | 4.65 in | — | 9 |
| December | 51.1°F | 30.4°F | 40.7°F | 5.72 in | 0.6 in | 11 |
Climate twins of Sweetwater
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).