Chester Gap weather by month
What a typical year looks like in Chester Gap, Virginia: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Sperryville, 23 km from Chester Gap; records cover 1995–2026.
The year at a glance
- Precipitation a year
- 48.8 in1241 mm
- Snow a year
- 21 in53 cm
- Last spring freeze
- Apr 11
- First fall freeze
- Oct 26
- Heating degree days
- 4,810
- Cooling degree days
- 893
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 9°−13° (heating, 99%) and 96°36° (cooling, 1%).
Month by month
Chester Gap in January
Highs average 43°6° and lows 24°−4°, with 3.6 in92 mm of precipitation and 7 in18 cm of snow in a typical January.
- Record high
- 80°27° (2002)
- Record low
- −2°−19° (2009)
- Heating degree days
- 970
- Cooling degree days
- 0
Chester Gap in February
Highs average 47°8° and lows 26°−4°, with 2.8 in70 mm of precipitation and 7 in18 cm of snow in a typical February.
- Record high
- 83°28° (2018)
- Record low
- −8°−22° (1996)
- Heating degree days
- 806
- Cooling degree days
- 0
Chester Gap in March
Highs average 54°12° and lows 31°0°, with 4 in102 mm of precipitation and 1.9 in4.8 cm of snow in a typical March.
- Record high
- 88°31° (1998)
- Record low
- 3°−16° (2015)
- Heating degree days
- 695
- Cooling degree days
- 0
Chester Gap in April
Highs average 65°19° and lows 41°5°, with 4 in102 mm of precipitation and 0.2 in0.5 cm of snow in a typical April.
- Record high
- 94°34° (2002)
- Record low
- 21°−6° (2013)
- Heating degree days
- 366
- Cooling degree days
- 12
Chester Gap in May
Highs average 73°23° and lows 50°10°, with 4.7 in119 mm of precipitation in a typical May.
- Record high
- 96°36° (1996)
- Record low
- 29°−2° (2020)
- Heating degree days
- 154
- Cooling degree days
- 48
Chester Gap in June
Highs average 81°27° and lows 59°15°, with 5.2 in132 mm of precipitation in a typical June.
- Record high
- 100°38° (1999)
- Record low
- 42°6° (2000)
- Heating degree days
- 19
- Cooling degree days
- 172
Chester Gap in July
Highs average 85°30° and lows 64°18°, with 3.7 in93 mm of precipitation in a typical July.
- Record high
- 104°40° (1999)
- Record low
- 49°9° (2001)
- Heating degree days
- 1
- Cooling degree days
- 292
Chester Gap in August
Highs average 84°29° and lows 62°17°, with 4.1 in105 mm of precipitation in a typical August.
- Record high
- 101°38° (1997)
- Record low
- 48°9° (2025)
- Heating degree days
- 3
- Cooling degree days
- 251
Chester Gap in September
Highs average 77°25° and lows 56°13°, with 5.4 in138 mm of precipitation in a typical September.
- Record high
- 99°37° (1998)
- Record low
- 38°3° (2020)
- Heating degree days
- 59
- Cooling degree days
- 104
Chester Gap in OctoberThis month
Highs average 67°20° and lows 44°7°, with 3.7 in93 mm of precipitation in a typical October.
- Record high
- 92°33° (2007)
- Record low
- 27°−3° (1997)
- Heating degree days
- 306
- Cooling degree days
- 14
Chester Gap in November
Highs average 57°14° and lows 35°2°, with 3.7 in94 mm of precipitation and 0.3 in0.8 cm of snow in a typical November.
- Record high
- 84°29° (2016)
- Record low
- 12°−11° (2014)
- Heating degree days
- 572
- Cooling degree days
- 0
Chester Gap in December
Highs average 47°8° and lows 28°−2°, with 4 in101 mm of precipitation and 5 in12 cm of snow in a typical December.
- Record high
- 81°27° (2001)
- Record low
- 4°−16° (2022)
- Heating degree days
- 859
- Cooling degree days
- 0