Horntown weather by month
What a typical year looks like in Horntown, Virginia: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Wallops Island Nasa Test Facility, 3 km from Horntown; records cover 1966–2026.
The year at a glance
- Precipitation a year
- 43.3 in1099 mm
- Snow a year
- 8 in21 cm
- Last spring freeze
- Apr 1
- First fall freeze
- Nov 10
- Heating degree days
- 3,959
- Cooling degree days
- 1,358
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 15°−9° (heating, 99%) and 94°34° (cooling, 1%).
Month by month
Horntown in January
Highs average 46°8° and lows 30°−1°, with 3.2 in80 mm of precipitation and 4 in9 cm of snow in a typical January.
- Record high
- 79°26° (2002)
- Record low
- 0°−18° (1982)
- Heating degree days
- 842
- Cooling degree days
- 0
Horntown in February
Highs average 49°9° and lows 31°0°, with 2.8 in71 mm of precipitation and 2.3 in5.8 cm of snow in a typical February.
- Record high
- 79°26° (1976)
- Record low
- −1°−18° (2015)
- Heating degree days
- 706
- Cooling degree days
- 0
Horntown in March
Highs average 55°13° and lows 37°3°, with 3.9 in99 mm of precipitation and 0.7 in1.8 cm of snow in a typical March.
- Record high
- 86°30° (1990)
- Record low
- 14°−10° (1980)
- Heating degree days
- 598
- Cooling degree days
- 1
Horntown in April
Highs average 64°18° and lows 46°8°, with 3.1 in79 mm of precipitation and 0.2 in0.5 cm of snow in a typical April.
- Record high
- 93°34° (1990)
- Record low
- 26°−3° (2016)
- Heating degree days
- 311
- Cooling degree days
- 14
Horntown in May
Highs average 73°23° and lows 56°13°, with 3.2 in81 mm of precipitation in a typical May.
- Record high
- 97°36° (1991)
- Record low
- 33°1° (2020)
- Heating degree days
- 110
- Cooling degree days
- 82
Horntown in June
Highs average 81°27° and lows 65°18°, with 3.4 in86 mm of precipitation in a typical June.
- Record high
- 100°38° (2012)
- Record low
- 43°6° (1967)
- Heating degree days
- 11
- Cooling degree days
- 257
Horntown in July
Highs average 86°30° and lows 70°21°, with 4.4 in111 mm of precipitation in a typical July.
- Record high
- 102°39° (2012)
- Record low
- 53°12° (1988)
- Heating degree days
- 0
- Cooling degree days
- 411
Horntown in August
Highs average 84°29° and lows 69°20°, with 4.3 in110 mm of precipitation in a typical August.
- Record high
- 100°38° (1977)
- Record low
- 48°9° (1986)
- Heating degree days
- 0
- Cooling degree days
- 355
Horntown in September
Highs average 79°26° and lows 63°17°, with 4.3 in110 mm of precipitation in a typical September.
- Record high
- 96°36° (1983)
- Record low
- 43°6° (1989)
- Heating degree days
- 19
- Cooling degree days
- 194
Horntown in OctoberThis month
Highs average 69°21° and lows 51°11°, with 4 in102 mm of precipitation in a typical October.
- Record high
- 93°34° (2019)
- Record low
- 29°−2° (1974)
- Heating degree days
- 189
- Cooling degree days
- 42
Horntown in November
Highs average 59°15° and lows 41°5°, with 2.9 in73 mm of precipitation in a typical November.
- Record high
- 82°28° (1993)
- Record low
- 19°−7° (2014)
- Heating degree days
- 460
- Cooling degree days
- 2
Horntown in December
Highs average 51°10° and lows 34°1°, with 3.8 in95 mm of precipitation and 1.7 in4.3 cm of snow in a typical December.
- Record high
- 78°26° (1971)
- Record low
- 4°−16° (1989)
- Heating degree days
- 713
- Cooling degree days
- 0