Manassas weather by month
What a typical year looks like in Manassas, Georgia: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Glennville 3nw, 20 km from Manassas; records cover 1904–2026.
The year at a glance
- Precipitation a year
- 49.8 in1264 mm
- Snow a year
- Rare
- Last spring freeze
- Mar 7
- First fall freeze
- Nov 22
- Heating degree days
- 1,911
- Cooling degree days
- 2,350
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 23°−5° (heating, 99%) and 100°38° (cooling, 1%).
Month by month
Manassas in January
Highs average 61°16° and lows 38°3°, with 3.8 in97 mm of precipitation in a typical January.
- Record high
- 84°29° (1916)
- Record low
- 1°−17° (1985)
- Heating degree days
- 499
- Cooling degree days
- 4
Manassas in February
Highs average 65°18° and lows 40°5°, with 3.8 in96 mm of precipitation in a typical February.
- Record high
- 87°31° (2022)
- Record low
- 11°−12° (1917)
- Heating degree days
- 355
- Cooling degree days
- 6
Manassas in March
Highs average 71°22° and lows 46°8°, with 3.9 in98 mm of precipitation in a typical March.
- Record high
- 94°34° (1921)
- Record low
- 17°−8° (1980)
- Heating degree days
- 229
- Cooling degree days
- 32
Manassas in April
Highs average 79°26° and lows 52°11°, with 3 in76 mm of precipitation in a typical April.
- Record high
- 97°36° (1986)
- Record low
- 28°−2° (2007)
- Heating degree days
- 80
- Cooling degree days
- 95
Manassas in May
Highs average 85°30° and lows 61°16°, with 3.5 in89 mm of precipitation in a typical May.
- Record high
- 103°39° (1941)
- Record low
- 40°4° (1971)
- Heating degree days
- 11
- Cooling degree days
- 257
Manassas in June
Highs average 90°32° and lows 69°20°, with 6 in151 mm of precipitation in a typical June.
- Record high
- 110°43° (2001)
- Record low
- 52°11° (1930)
- Heating degree days
- 0
- Cooling degree days
- 429
Manassas in July
Highs average 92°34° and lows 72°22°, with 5.3 in135 mm of precipitation in a typical July.
- Record high
- 113°45° (2001)
- Record low
- 59°15° (1918)
- Heating degree days
- 0
- Cooling degree days
- 524
Manassas in August
Highs average 91°33° and lows 71°22°, with 7.5 in190 mm of precipitation in a typical August.
- Record high
- 105°41° (1925)
- Record low
- 52°11° (1986)
- Heating degree days
- 0
- Cooling degree days
- 499
Manassas in September
Highs average 87°30° and lows 66°19°, with 3.3 in85 mm of precipitation in a typical September.
- Record high
- 106°41° (1925)
- Record low
- 40°4° (2006)
- Heating degree days
- 2
- Cooling degree days
- 344
Manassas in OctoberThis month
Highs average 79°26° and lows 55°13°, with 3.6 in91 mm of precipitation in a typical October.
- Record high
- 98°37° (1919)
- Record low
- 28°−2° (1952)
- Heating degree days
- 63
- Cooling degree days
- 126
Manassas in November
Highs average 70°21° and lows 46°8°, with 2.6 in65 mm of precipitation in a typical November.
- Record high
- 89°32° (1935)
- Record low
- 13°−11° (1950)
- Heating degree days
- 245
- Cooling degree days
- 27
Manassas in December
Highs average 63°17° and lows 40°5°, with 3.6 in90 mm of precipitation in a typical December.
- Record high
- 87°31° (2023)
- Record low
- 9°−13° (1962)
- Heating degree days
- 427
- Cooling degree days
- 7