Gretna weather by month
What a typical year looks like in Gretna, Virginia: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Chatham, 15 km from Gretna; records cover 1922–2026.
The year at a glance
- Precipitation a year
- 47.7 in1212 mm
- Snow a year
- 6 in15 cm
- Last spring freeze
- Apr 29
- First fall freeze
- Oct 19
- Heating degree days
- 4,450
- Cooling degree days
- 1,043
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 10°−12° (heating, 99%) and 94°34° (cooling, 1%).
Month by month
Gretna in January
Highs average 47°8° and lows 24°−4°, with 4.2 in106 mm of precipitation and 1.9 in4.8 cm of snow in a typical January.
- Record high
- 78°26° (2002)
- Record low
- −9°−23° (1985)
- Heating degree days
- 907
- Cooling degree days
- 0
Gretna in February
Highs average 51°11° and lows 26°−4°, with 2.8 in71 mm of precipitation and 1.6 in4.1 cm of snow in a typical February.
- Record high
- 82°28° (1930)
- Record low
- −7°−22° (2015)
- Heating degree days
- 746
- Cooling degree days
- 0
Gretna in March
Highs average 59°15° and lows 32°0°, with 4 in101 mm of precipitation and 1 in2.5 cm of snow in a typical March.
- Record high
- 88°31° (1945)
- Record low
- 0°−18° (1993)
- Heating degree days
- 606
- Cooling degree days
- 1
Gretna in April
Highs average 69°21° and lows 41°5°, with 3.9 in98 mm of precipitation in a typical April.
- Record high
- 94°34° (1925)
- Record low
- 17°−8° (1985)
- Heating degree days
- 314
- Cooling degree days
- 14
Gretna in May
Highs average 76°24° and lows 51°10°, with 4.5 in115 mm of precipitation in a typical May.
- Record high
- 99°37° (1941)
- Record low
- 25°−4° (1986)
- Heating degree days
- 122
- Cooling degree days
- 71
Gretna in June
Highs average 83°28° and lows 60°16°, with 4.2 in108 mm of precipitation in a typical June.
- Record high
- 103°39° (1930)
- Record low
- 33°1° (1977)
- Heating degree days
- 16
- Cooling degree days
- 207
Gretna in July
Highs average 86°30° and lows 65°18°, with 4.2 in107 mm of precipitation in a typical July.
- Record high
- 105°41° (1926)
- Record low
- 35°2° (1983)
- Heating degree days
- 0
- Cooling degree days
- 326
Gretna in August
Highs average 85°29° and lows 63°17°, with 4.1 in105 mm of precipitation in a typical August.
- Record high
- 105°41° (1930)
- Record low
- 38°3° (1976)
- Heating degree days
- 2
- Cooling degree days
- 283
Gretna in September
Highs average 79°26° and lows 56°13°, with 5 in127 mm of precipitation in a typical September.
- Record high
- 104°40° (1954)
- Record low
- 26°−3° (1983)
- Heating degree days
- 51
- Cooling degree days
- 124
Gretna in OctoberThis month
Highs average 70°21° and lows 43°6°, with 3.5 in88 mm of precipitation in a typical October.
- Record high
- 99°37° (2019)
- Record low
- 19°−7° (1992)
- Heating degree days
- 288
- Cooling degree days
- 17
Gretna in November
Highs average 59°15° and lows 32°0°, with 3.5 in89 mm of precipitation in a typical November.
- Record high
- 86°30° (2024)
- Record low
- 10°−12° (1929)
- Heating degree days
- 581
- Cooling degree days
- 0
Gretna in December
Highs average 50°10° and lows 27°−3°, with 3.8 in98 mm of precipitation and 1.3 in3.3 cm of snow in a typical December.
- Record high
- 79°26° (1998)
- Record low
- −3°−19° (1983)
- Heating degree days
- 817
- Cooling degree days
- 0