Huntsville weather by month
What a typical year looks like in Huntsville, Tennessee: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Oneida, 10 km from Huntsville; records cover 1959–2026.
The year at a glance
- Precipitation a year
- 58.1 in1476 mm
- Snow a year
- 6 in14 cm
- Last spring freeze
- Apr 25
- First fall freeze
- Oct 18
- Heating degree days
- 4,548
- Cooling degree days
- 958
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 6°−14° (heating, 99%) and 92°33° (cooling, 1%).
Month by month
Huntsville in January
Highs average 45°7° and lows 25°−4°, with 5.2 in131 mm of precipitation and 2.2 in5.6 cm of snow in a typical January.
- Record high
- 74°23° (1970)
- Record low
- −26°−32° (1985)
- Heating degree days
- 938
- Cooling degree days
- 0
Huntsville in February
Highs average 49°10° and lows 27°−3°, with 5.1 in129 mm of precipitation and 1.5 in3.8 cm of snow in a typical February.
- Record high
- 79°26° (2023)
- Record low
- −11°−24° (2015)
- Heating degree days
- 752
- Cooling degree days
- 0
Huntsville in March
Highs average 58°14° and lows 33°0°, with 5.7 in145 mm of precipitation and 0.8 in2 cm of snow in a typical March.
- Record high
- 86°30° (2012)
- Record low
- −11°−24° (1980)
- Heating degree days
- 614
- Cooling degree days
- 2
Huntsville in April
Highs average 68°20° and lows 41°5°, with 5.3 in133 mm of precipitation in a typical April.
- Record high
- 90°32° (1976)
- Record low
- 16°−9° (2007)
- Heating degree days
- 317
- Cooling degree days
- 13
Huntsville in May
Highs average 76°24° and lows 50°10°, with 4.9 in124 mm of precipitation in a typical May.
- Record high
- 92°33° (2012)
- Record low
- 25°−4° (1976)
- Heating degree days
- 121
- Cooling degree days
- 62
Huntsville in June
Highs average 82°28° and lows 59°15°, with 4.8 in122 mm of precipitation in a typical June.
- Record high
- 95°35° (2022)
- Record low
- 33°1° (1966)
- Heating degree days
- 14
- Cooling degree days
- 187
Huntsville in July
Highs average 85°30° and lows 64°18°, with 5.6 in143 mm of precipitation in a typical July.
- Record high
- 103°39° (2012)
- Record low
- 43°6° (1972)
- Heating degree days
- 1
- Cooling degree days
- 300
Huntsville in August
Highs average 85°29° and lows 62°17°, with 4.5 in115 mm of precipitation in a typical August.
- Record high
- 101°38° (1980)
- Record low
- 42°6° (1986)
- Heating degree days
- 3
- Cooling degree days
- 260
Huntsville in September
Highs average 80°26° and lows 55°13°, with 4 in101 mm of precipitation in a typical September.
- Record high
- 98°37° (2011)
- Record low
- 30°−1° (1983)
- Heating degree days
- 53
- Cooling degree days
- 119
Huntsville in OctoberThis month
Highs average 69°21° and lows 42°5°, with 3.3 in84 mm of precipitation in a typical October.
- Record high
- 92°33° (2019)
- Record low
- 17°−8° (1962)
- Heating degree days
- 308
- Cooling degree days
- 15
Huntsville in November
Highs average 58°14° and lows 32°0°, with 3.8 in97 mm of precipitation in a typical November.
- Record high
- 85°29° (1984)
- Record low
- 1°−17° (1976)
- Heating degree days
- 596
- Cooling degree days
- 0
Huntsville in December
Highs average 49°9° and lows 28°−2°, with 6 in153 mm of precipitation and 1 in2.5 cm of snow in a typical December.
- Record high
- 77°25° (1982)
- Record low
- −18°−28° (1962)
- Heating degree days
- 831
- Cooling degree days
- 0