Sweetwater city, Tennessee

Official LSAD Designation: Sweetwater city • Census GEOID: 4772540 • McMinn County / Monroe County

Climate Normals & Weather Observations

30-year climate normals (1991–2020) and weather observations for Sweetwater city.

Reference Weather Station: DECATUR 7NE, TN US (ID: USC00402388) • Located 11.1 miles from community center • Elevation: 228.6 m

Month	Average High (°F)	Average Low (°F)	Mean Temp (°F)	Precipitation (in)
January	48.2°	27.6°	37.9°	5.62"
February	52.6°	30.3°	41.4°	5.24"
March	61.5°	35.9°	48.7°	5.32"
April	71.2°	43.7°	57.5°	5.42"
May	79.0°	53.8°	66.4°	4.60"
June	85.7°	62.9°	74.3°	4.79"
July	89.1°	67.0°	78.0°	5.36"
August	88.8°	65.6°	77.2°	3.28"
September	83.7°	58.9°	71.3°	4.35"
October	72.9°	45.5°	59.2°	3.24"
November	60.6°	34.6°	47.6°	4.65"
December	51.1°	30.4°	40.7°	5.72"

2010–2025, completed calendar years only.

NOAA station DECATUR 7NE, TN US (ID: USC00402388) • 11.1 miles from community center .

This is the same reference station used for monthly normals.

Show annual mean of daily highs and lows

Annual mean Annual mean of daily highs Annual mean of daily lows

Annual temperature data table (°F)

Annual station temperatures, 2010–2025. Unavailable means no reported value.
Year	Annual mean (°F)	Annual mean of daily highs (°F)	Annual mean of daily lows (°F)
2010	56.8	69.7	43.9
2011	Unavailable	Unavailable	Unavailable
2012	59.0	72.3	45.6
2013	56.1	67.9	44.3
2014	55.5	67.9	43.1
2015	58.0	69.8	46.2
2016	59.6	73.4	45.8
2017	59.4	71.9	46.9
2018	58.9	69.8	47.9
2019	60.2	72.2	48.1
2020	59.2	70.9	47.5
2021	59.1	70.7	47.4
2022	58.5	71.2	45.9
2023	59.3	71.7	46.9
2024	Unavailable	Unavailable	Unavailable
2025	58.9	70.9	46.9

Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.