Snellville weather by month
What a typical year looks like in Snellville, Georgia: average highs and lows, rain and snow, and the warmest and coldest days on record. No nearby active station has official 1991–2020 normals, so these are forecast.blue’s own averages computed from daily observations at Lawrenceville Gwinnet County Briscoe Field Airport, 14 km from Snellville, over its available record (2017–2026) — not an NCEI normal; records cover 2017–2026.
The year at a glance
- Precipitation a year
- 36.2 in919 mm
- Snow a year
- Rare
- Last spring freeze
- Mar 21
- First fall freeze
- Nov 14
- Heating degree days
- —
- Cooling degree days
- —
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 95°35° (cooling, 1%).
Month by month
Snellville in January
Highs average 53°11° and lows 33°1°, with 4.1 in104 mm of precipitation in a typical January.
- Record high
- 76°24° (2022)
- Record low
- 10°−12° (2025)
- Heating degree days
- —
- Cooling degree days
- —
Snellville in February
Highs average 61°16° and lows 39°4°, with 4.6 in117 mm of precipitation in a typical February.
- Record high
- 81°27° (2023)
- Record low
- 13°−11° (2026)
- Heating degree days
- —
- Cooling degree days
- —
Snellville in March
Highs average 67°19° and lows 45°7°, with 3.1 in79 mm of precipitation in a typical March.
- Record high
- 86°30° (2020)
- Record low
- 22°−6° (2022)
- Heating degree days
- —
- Cooling degree days
- —
Snellville in April
Highs average 73°23° and lows 50°10°, with 2.8 in71 mm of precipitation in a typical April.
- Record high
- 87°31° (2026)
- Record low
- 29°−2° (2022)
- Heating degree days
- —
- Cooling degree days
- —
Snellville in May
Highs average 80°27° and lows 59°15°, with 2.7 in69 mm of precipitation in a typical May.
- Record high
- 94°34° (2019)
- Record low
- 38°3° (2020)
- Heating degree days
- —
- Cooling degree days
- —
Snellville in June
Highs average 86°30° and lows 67°19°, with 2.9 in74 mm of precipitation in a typical June.
- Record high
- 99°37° (2022)
- Record low
- 51°11° (2019)
- Heating degree days
- —
- Cooling degree days
- —
Snellville in July
Highs average 90°32° and lows 71°22°, with 2.8 in71 mm of precipitation in a typical July.
- Record high
- 98°37° (2024)
- Record low
- 61°16° (2021)
- Heating degree days
- —
- Cooling degree days
- —
Snellville in August
Highs average 88°31° and lows 70°21°, with 2.6 in66 mm of precipitation in a typical August.
- Record high
- 99°37° (2023)
- Record low
- 60°16° (2019)
- Heating degree days
- —
- Cooling degree days
- —
Snellville in September
Highs average 84°29° and lows 64°18°, with 2.2 in56 mm of precipitation in a typical September.
- Record high
- 99°37° (2026)
- Record low
- 44°7° (2022)
- Heating degree days
- —
- Cooling degree days
- —
Snellville in OctoberThis month
Highs average 74°24° and lows 53°11°, with 2.6 in66 mm of precipitation in a typical October.
- Record high
- 98°37° (2019)
- Record low
- 29°−2° (2022)
- Heating degree days
- —
- Cooling degree days
- —
Snellville in November
Highs average 64°18° and lows 43°6°, with 2.3 in58 mm of precipitation in a typical November.
- Record high
- 83°28° (2022)
- Record low
- 19°−7° (2019)
- Heating degree days
- —
- Cooling degree days
- —
Snellville in December
Highs average 57°14° and lows 38°3°, with 3.5 in89 mm of precipitation in a typical December.
- Record high
- 76°24° (2021)
- Record low
- 6°−14° (2022)
- Heating degree days
- —
- Cooling degree days
- —
Covington station, 1893–2013: records and averages
This station is no longer reporting, but its 1893–2013 record is the longest and most local history available. These are its own averages over its own period of record — not NCEI normals, and not the same station as the computed averages above.
January
Average high 54°12°, low 33°1°, 4.6 in117 mm precipitation.
Record high 81°27° (1949); record low −7°−22° (1985).
February
Average high 58°14°, low 35°1°, 4.8 in122 mm precipitation.
Record high 88°31° (1927); record low −10°−23° (1899).
March
Average high 67°19°, low 42°5°, 5.4 in137 mm precipitation.
Record high 90°32° (1907); record low 9°−13° (1943).
April
Average high 75°24°, low 49°9°, 3.8 in97 mm precipitation.
Record high 95°35° (1986); record low 24°−4° (2007).
May
Average high 82°28°, low 57°14°, 3.6 in91 mm precipitation.
Record high 100°38° (1941); record low 31°−1° (1897).
June
Average high 89°31°, low 65°18°, 3.9 in99 mm precipitation.
Record high 105°41° (1930); record low 44°7° (1972).
July
Average high 91°33°, low 68°20°, 4.9 in124 mm precipitation.
Record high 110°43° (1927); record low 52°11° (1967).
August
Average high 89°32°, low 68°20°, 4.2 in107 mm precipitation.
Record high 105°41° (1899); record low 51°11° (1927).
September
Average high 84°29°, low 62°17°, 3.1 in79 mm precipitation.
Record high 103°39° (1931); record low 34°1° (1967).
October
Average high 75°24°, low 50°10°, 2.9 in74 mm precipitation.
Record high 98°37° (1941); record low 23°−5° (1952).
November
Average high 65°18°, low 40°5°, 3.3 in84 mm precipitation.
Record high 87°31° (1974); record low 5°−15° (1950).
December
Average high 56°13°, low 34°1°, 4.3 in109 mm precipitation.
Record high 79°26° (1933); record low 0°−18° (1962).