Lawrenceville weather by month
What a typical year looks like in Lawrenceville, 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, 4 km from Lawrenceville, 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
Lawrenceville 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
- —
Lawrenceville 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
- —
Lawrenceville 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
- —
Lawrenceville 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
- —
Lawrenceville 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
- —
Lawrenceville 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
- —
Lawrenceville 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
- —
Lawrenceville 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
- —
Lawrenceville 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
- —
Lawrenceville 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
- —
Lawrenceville 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
- —
Lawrenceville 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
- —
Alpharetta 4 Ssw station, 1901–2011: records and averages
This station is no longer reporting, but its 1901–2011 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 50°10°, low 28°−2°, 4.7 in119 mm precipitation.
Record high 75°24° (1975); record low −10°−23° (1985).
February
Average high 53°12°, low 30°−1°, 5 in127 mm precipitation.
Record high 80°27° (1989); record low 1°−17° (1958).
March
Average high 63°17°, low 37°3°, 5.8 in147 mm precipitation.
Record high 88°31° (2007); record low 6°−14° (1960).
April
Average high 72°22°, low 45°7°, 4.2 in107 mm precipitation.
Record high 91°33° (1960); record low 24°−4° (1987).
May
Average high 78°26°, low 54°12°, 4.3 in109 mm precipitation.
Record high 95°35° (1962); record low 31°−1° (1971).
June
Average high 85°29°, low 62°17°, 4 in102 mm precipitation.
Record high 101°38° (1969); record low 40°4° (1984).
July
Average high 87°31°, low 66°19°, 4.6 in117 mm precipitation.
Record high 102°39° (1986); record low 48°9° (1967).
August
Average high 87°31°, low 65°19°, 4.1 in104 mm precipitation.
Record high 101°38° (2007); record low 50°10° (1968).
September
Average high 81°27°, low 59°15°, 3.9 in99 mm precipitation.
Record high 98°37° (1957); record low 28°−2° (1967).
October
Average high 72°22°, low 47°8°, 3.5 in89 mm precipitation.
Record high 88°31° (1959); record low 25°−4° (1962).
November
Average high 62°17°, low 37°3°, 3.8 in97 mm precipitation.
Record high 84°29° (1961); record low 10°−12° (1970).
December
Average high 53°11°, low 31°−1°, 4.6 in117 mm precipitation.
Record high 76°24° (1991); record low −1°−18° (1962).