Kennesaw weather by month
What a typical year looks like in Kennesaw, Georgia: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Allatoona Dam 2, 19 km from Kennesaw; records cover 1946–2026.
The year at a glance
- Precipitation a year
- 51.8 in1315 mm
- Snow a year
- Rare
- Last spring freeze
- Mar 30
- First fall freeze
- Nov 6
- Heating degree days
- 3,408
- Cooling degree days
- 1,480
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 17°−9° (heating, 99%) and 96°36° (cooling, 1%).
Month by month
Kennesaw in January
Highs average 51°11° and lows 29°−2°, with 4.9 in125 mm of precipitation in a typical January.
- Record high
- 78°26° (1949)
- Record low
- −6°−21° (1963)
- Heating degree days
- 776
- Cooling degree days
- 0
Kennesaw in February
Highs average 55°13° and lows 32°0°, with 4.4 in113 mm of precipitation in a typical February.
- Record high
- 82°28° (2018)
- Record low
- 2°−17° (1958)
- Heating degree days
- 604
- Cooling degree days
- 0
Kennesaw in March
Highs average 63°17° and lows 39°4°, with 5 in126 mm of precipitation in a typical March.
- Record high
- 88°31° (2016)
- Record low
- 7°−14° (1960)
- Heating degree days
- 439
- Cooling degree days
- 5
Kennesaw in April
Highs average 72°22° and lows 46°8°, with 4.5 in115 mm of precipitation in a typical April.
- Record high
- 92°33° (1955)
- Record low
- 24°−4° (1950)
- Heating degree days
- 202
- Cooling degree days
- 31
Kennesaw in May
Highs average 79°26° and lows 56°13°, with 3.9 in99 mm of precipitation in a typical May.
- Record high
- 95°35° (1962)
- Record low
- 31°−1° (1947)
- Heating degree days
- 54
- Cooling degree days
- 129
Kennesaw in June
Highs average 85°29° and lows 64°18°, with 4 in102 mm of precipitation in a typical June.
- Record high
- 104°40° (1952)
- Record low
- 43°6° (1956)
- Heating degree days
- 4
- Cooling degree days
- 286
Kennesaw in July
Highs average 88°31° and lows 67°20°, with 4.9 in124 mm of precipitation in a typical July.
- Record high
- 106°41° (2012)
- Record low
- 50°10° (1950)
- Heating degree days
- 0
- Cooling degree days
- 392
Kennesaw in August
Highs average 87°31° and lows 67°19°, with 4.1 in105 mm of precipitation in a typical August.
- Record high
- 103°39° (1954)
- Record low
- 51°11° (1948)
- Heating degree days
- 0
- Cooling degree days
- 378
Kennesaw in September
Highs average 82°28° and lows 61°16°, with 3.9 in100 mm of precipitation in a typical September.
- Record high
- 102°39° (1957)
- Record low
- 34°1° (1967)
- Heating degree days
- 16
- Cooling degree days
- 214
Kennesaw in OctoberThis month
Highs average 73°23° and lows 49°10°, with 3.4 in87 mm of precipitation in a typical October.
- Record high
- 99°37° (2019)
- Record low
- 17°−8° (2003)
- Heating degree days
- 171
- Cooling degree days
- 42
Kennesaw in November
Highs average 62°16° and lows 38°3°, with 3.9 in100 mm of precipitation in a typical November.
- Record high
- 85°29° (1961)
- Record low
- 2°−17° (1950)
- Heating degree days
- 459
- Cooling degree days
- 2
Kennesaw in December
Highs average 54°12° and lows 32°0°, with 4.7 in119 mm of precipitation in a typical December.
- Record high
- 79°26° (2007)
- Record low
- −2°−19° (1962)
- Heating degree days
- 683
- Cooling degree days
- 1