Sugar Hill weather by month
What a typical year looks like in Sugar Hill, Georgia: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Cumming 2n, 18 km from Sugar Hill; records cover 2001–2026.
The year at a glance
- Precipitation a year
- 56.4 in1432 mm
- Snow a year
- 0.6 in1.5 cm
- Last spring freeze
- Mar 30
- First fall freeze
- Nov 7
- Heating degree days
- 3,241
- Cooling degree days
- 1,481
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 16°−9° (heating, 99%) and 95°35° (cooling, 1%).
Month by month
Sugar Hill in January
Highs average 51°11° and lows 31°0°, with 5.4 in137 mm of precipitation and 0.1 in0.3 cm of snow in a typical January.
- Record high
- 77°25° (2002)
- Record low
- 4°−16° (2014)
- Heating degree days
- 739
- Cooling degree days
- 0
Sugar Hill in February
Highs average 56°13° and lows 33°1°, with 5.2 in131 mm of precipitation and 0.2 in0.5 cm of snow in a typical February.
- Record high
- 78°26° (2018)
- Record low
- 8°−13° (2015)
- Heating degree days
- 572
- Cooling degree days
- 0
Sugar Hill in March
Highs average 63°17° and lows 40°4°, with 5.2 in131 mm of precipitation and 0.3 in0.8 cm of snow in a typical March.
- Record high
- 88°31° (2007)
- Record low
- 16°−9° (2002)
- Heating degree days
- 425
- Cooling degree days
- 4
Sugar Hill in April
Highs average 72°22° and lows 46°8°, with 4.3 in110 mm of precipitation in a typical April.
- Record high
- 87°31° (2002)
- Record low
- 25°−4° (2007)
- Heating degree days
- 200
- Cooling degree days
- 26
Sugar Hill in May
Highs average 79°26° and lows 56°13°, with 4.2 in107 mm of precipitation in a typical May.
- Record high
- 92°33° (2019)
- Record low
- 34°1° (2011)
- Heating degree days
- 51
- Cooling degree days
- 125
Sugar Hill in June
Highs average 85°30° and lows 64°18°, with 4.7 in119 mm of precipitation in a typical June.
- Record high
- 100°38° (2012)
- Record low
- 46°8° (2019)
- Heating degree days
- 2
- Cooling degree days
- 290
Sugar Hill in July
Highs average 89°32° and lows 67°20°, with 4.9 in124 mm of precipitation in a typical July.
- Record high
- 101°38° (2012)
- Record low
- 54°12° (2009)
- Heating degree days
- 0
- Cooling degree days
- 406
Sugar Hill in August
Highs average 88°31° and lows 67°19°, with 4.9 in125 mm of precipitation in a typical August.
- Record high
- 100°38° (2007)
- Record low
- 53°12° (2004)
- Heating degree days
- 0
- Cooling degree days
- 386
Sugar Hill in September
Highs average 82°28° and lows 60°16°, with 4 in102 mm of precipitation in a typical September.
- Record high
- 97°36° (2026)
- Record low
- 41°5° (2003)
- Heating degree days
- 15
- Cooling degree days
- 200
Sugar Hill in OctoberThis month
Highs average 73°23° and lows 49°9°, with 4 in101 mm of precipitation in a typical October.
- Record high
- 96°36° (2019)
- Record low
- 29°−2° (2001)
- Heating degree days
- 163
- Cooling degree days
- 41
Sugar Hill in November
Highs average 63°17° and lows 39°4°, with 4.4 in112 mm of precipitation in a typical November.
- Record high
- 83°28° (2016)
- Record low
- 15°−9° (2008)
- Heating degree days
- 426
- Cooling degree days
- 3
Sugar Hill in December
Highs average 54°12° and lows 34°1°, with 5.2 in132 mm of precipitation in a typical December.
- Record high
- 77°25° (2007)
- Record low
- 4°−16° (2022)
- Heating degree days
- 648
- Cooling degree days
- 0