Dunwoody weather by month
What a typical year looks like in Dunwoody, Georgia: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Atlanta Dekalb Peachtree Airport, 7 km from Dunwoody; records cover 1998–2026.
The year at a glance
- Precipitation a year
- 51.4 in1306 mm
- Snow a year
- Rare
- Last spring freeze
- Mar 25
- First fall freeze
- Nov 11
- Heating degree days
- 2,979
- Cooling degree days
- 1,727
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 20°−7° (heating, 99%) and 97°36° (cooling, 1%).
Month by month
Dunwoody in January
Highs average 52°11° and lows 33°0°, with 4.6 in116 mm of precipitation in a typical January.
- Record high
- 78°26° (2002)
- Record low
- 5°−15° (2014)
- Heating degree days
- 704
- Cooling degree days
- 0
Dunwoody in February
Highs average 56°14° and lows 36°2°, with 4.5 in114 mm of precipitation in a typical February.
- Record high
- 80°27° (2018)
- Record low
- 12°−11° (2015)
- Heating degree days
- 528
- Cooling degree days
- 1
Dunwoody in March
Highs average 64°18° and lows 42°6°, with 4.7 in119 mm of precipitation in a typical March.
- Record high
- 90°32° (2007)
- Record low
- 20°−7° (2002)
- Heating degree days
- 370
- Cooling degree days
- 7
Dunwoody in April
Highs average 73°23° and lows 49°10°, with 3.9 in98 mm of precipitation in a typical April.
- Record high
- 89°32° (2002)
- Record low
- 28°−2° (2011)
- Heating degree days
- 160
- Cooling degree days
- 38
Dunwoody in May
Highs average 80°27° and lows 59°15°, with 3.8 in97 mm of precipitation in a typical May.
- Record high
- 94°34° (2006)
- Record low
- 37°3° (2020)
- Heating degree days
- 33
- Cooling degree days
- 169
Dunwoody in June
Highs average 86°30° and lows 66°19°, with 4.7 in119 mm of precipitation in a typical June.
- Record high
- 105°41° (2012)
- Record low
- 51°11° (2000)
- Heating degree days
- 0
- Cooling degree days
- 338
Dunwoody in July
Highs average 89°32° and lows 70°21°, with 4.7 in120 mm of precipitation in a typical July.
- Record high
- 105°41° (2012)
- Record low
- 56°13° (2014)
- Heating degree days
- 0
- Cooling degree days
- 454
Dunwoody in August
Highs average 88°31° and lows 69°21°, with 4.5 in115 mm of precipitation in a typical August.
- Record high
- 102°39° (2007)
- Record low
- 54°12° (2025)
- Heating degree days
- 0
- Cooling degree days
- 423
Dunwoody in September
Highs average 83°28° and lows 63°17°, with 4.1 in105 mm of precipitation in a typical September.
- Record high
- 100°38° (2026)
- Record low
- 42°6° (2022)
- Heating degree days
- 10
- Cooling degree days
- 245
Dunwoody in OctoberThis month
Highs average 73°23° and lows 51°11°, with 3.4 in86 mm of precipitation in a typical October.
- Record high
- 97°36° (2019)
- Record low
- 27°−3° (2001)
- Heating degree days
- 146
- Cooling degree days
- 48
Dunwoody in November
Highs average 63°17° and lows 41°5°, with 4.2 in107 mm of precipitation in a typical November.
- Record high
- 83°28° (2003)
- Record low
- 18°−8° (2008)
- Heating degree days
- 406
- Cooling degree days
- 3
Dunwoody in December
Highs average 54°12° and lows 36°2°, with 4.4 in111 mm of precipitation in a typical December.
- Record high
- 78°26° (2025)
- Record low
- 7°−14° (2022)
- Heating degree days
- 622
- Cooling degree days
- 1