The Plains weather by month
What a typical year looks like in The Plains, Virginia: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Mount Weather 3, 25 km from The Plains; records cover 2017–2026.
The year at a glance
- Precipitation a year
- 0 in0 mm
- Snow a year
- Rare
- Last spring freeze
- Rare
- First fall freeze
- Rare
- Heating degree days
- 5,380
- Cooling degree days
- 730
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 6°−14° (heating, 99%) and 89°32° (cooling, 1%).
Month by month
The Plains in January
Highs average 37°3° and lows 23°−5°, with — of precipitation in a typical January.
- Record high
- 63°17° (2020)
- Record low
- −3°−19° (2025)
- Heating degree days
- 1078
- Cooling degree days
- 0
The Plains in February
Highs average 42°6° and lows 23°−5°, with — of precipitation in a typical February.
- Record high
- 77°25° (2018)
- Record low
- −1°−18° (2019)
- Heating degree days
- 911
- Cooling degree days
- 0
The Plains in March
Highs average 50°10° and lows 31°−1°, with — of precipitation in a typical March.
- Record high
- 82°28° (2026)
- Record low
- 10°−12° (2022)
- Heating degree days
- 770
- Cooling degree days
- 0
The Plains in April
Highs average 62°17° and lows 40°5°, with — of precipitation in a typical April.
- Record high
- 86°30° (2026)
- Record low
- 20°−7° (2021)
- Heating degree days
- 414
- Cooling degree days
- 1
The Plains in May
Highs average 70°21° and lows 51°11°, with — of precipitation in a typical May.
- Record high
- 89°32° (2026)
- Record low
- 28°−2° (2020)
- Heating degree days
- 166
- Cooling degree days
- 37
The Plains in June
Highs average 78°26° and lows 60°16°, with — of precipitation in a typical June.
- Record high
- 91°33° (2024)
- Record low
- 45°7° (2020)
- Heating degree days
- 20
- Cooling degree days
- 141
The Plains in July
Highs average 82°28° and lows 65°18°, with — of precipitation in a typical July.
- Record high
- 94°34° (2024)
- Record low
- 53°12° (2024)
- Heating degree days
- 1
- Cooling degree days
- 264
The Plains in August
Highs average 80°27° and lows 63°17°, with — of precipitation in a typical August.
- Record high
- 92°33° (2021)
- Record low
- 48°9° (2025)
- Heating degree days
- 2
- Cooling degree days
- 210
The Plains in September
Highs average 73°23° and lows 56°13°, with — of precipitation in a typical September.
- Record high
- 91°33° (2023)
- Record low
- 41°5° (2020)
- Heating degree days
- 78
- Cooling degree days
- 72
The Plains in OctoberThis month
Highs average 63°17° and lows 45°7°, with — of precipitation in a typical October.
- Record high
- 88°31° (2019)
- Record low
- 32°0° (2018)
- Heating degree days
- 346
- Cooling degree days
- 5
The Plains in November
Highs average 52°11° and lows 34°1°, with — of precipitation in a typical November.
- Record high
- 78°26° (2024)
- Record low
- 15°−9° (2019)
- Heating degree days
- 669
- Cooling degree days
- 0
The Plains in December
Highs average 43°6° and lows 28°−2°, with — of precipitation in a typical December.
- Record high
- 64°18° (2021)
- Record low
- −2°−19° (2022)
- Heating degree days
- 925
- Cooling degree days
- 0