Decaturville weather by month
What a typical year looks like in Decaturville, Tennessee: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Parsons Water Plant, 3 km from Decaturville; records cover 1998–2026.
The year at a glance
- Precipitation a year
- 57.1 in1450 mm
- Snow a year
- 1.6 in4.1 cm
- Last spring freeze
- Apr 8
- First fall freeze
- Oct 29
- Heating degree days
- 3,442
- Cooling degree days
- 1,744
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 12°−11° (heating, 99%) and 98°37° (cooling, 1%).
Month by month
Decaturville in January
Highs average 50°10° and lows 28°−2°, with 4.4 in113 mm of precipitation and 0.8 in2 cm of snow in a typical January.
- Record high
- 75°24° (2022)
- Record low
- 1°−17° (2003)
- Heating degree days
- 794
- Cooling degree days
- 0
Decaturville in February
Highs average 55°13° and lows 31°0°, with 5 in128 mm of precipitation and 0.4 in1 cm of snow in a typical February.
- Record high
- 82°28° (2012)
- Record low
- 3°−16° (2025)
- Heating degree days
- 615
- Cooling degree days
- 1
Decaturville in March
Highs average 64°18° and lows 39°4°, with 5.6 in142 mm of precipitation and 0.4 in1 cm of snow in a typical March.
- Record high
- 88°31° (2007)
- Record low
- 8°−13° (2015)
- Heating degree days
- 436
- Cooling degree days
- 9
Decaturville in April
Highs average 74°23° and lows 47°8°, with 5.3 in134 mm of precipitation in a typical April.
- Record high
- 92°33° (2002)
- Record low
- 21°−6° (2007)
- Heating degree days
- 193
- Cooling degree days
- 46
Decaturville in May
Highs average 81°27° and lows 57°14°, with 5.5 in140 mm of precipitation in a typical May.
- Record high
- 95°35° (2012)
- Record low
- 35°2° (2008)
- Heating degree days
- 42
- Cooling degree days
- 158
Decaturville in June
Highs average 87°31° and lows 65°18°, with 4 in103 mm of precipitation in a typical June.
- Record high
- 106°41° (2012)
- Record low
- 45°7° (2000)
- Heating degree days
- 1
- Cooling degree days
- 339
Decaturville in July
Highs average 91°33° and lows 69°21°, with 5 in126 mm of precipitation in a typical July.
- Record high
- 105°41° (2012)
- Record low
- 53°12° (2023)
- Heating degree days
- 0
- Cooling degree days
- 463
Decaturville in August
Highs average 91°33° and lows 67°20°, with 4.1 in103 mm of precipitation in a typical August.
- Record high
- 109°43° (2007)
- Record low
- 48°9° (2004)
- Heating degree days
- 0
- Cooling degree days
- 431
Decaturville in September
Highs average 85°30° and lows 60°15°, with 4.4 in110 mm of precipitation in a typical September.
- Record high
- 103°39° (1999)
- Record low
- 36°2° (2001)
- Heating degree days
- 17
- Cooling degree days
- 238
Decaturville in OctoberThis month
Highs average 75°24° and lows 47°8°, with 4.2 in107 mm of precipitation in a typical October.
- Record high
- 97°36° (2019)
- Record low
- 21°−6° (2006)
- Heating degree days
- 178
- Cooling degree days
- 54
Decaturville in November
Highs average 63°17° and lows 37°3°, with 4.1 in104 mm of precipitation in a typical November.
- Record high
- 88°31° (2016)
- Record low
- 14°−10° (2019)
- Heating degree days
- 457
- Cooling degree days
- 4
Decaturville in December
Highs average 53°12° and lows 31°0°, with 5.5 in140 mm of precipitation in a typical December.
- Record high
- 78°26° (1998)
- Record low
- −1°−18° (2022)
- Heating degree days
- 709
- Cooling degree days
- 1