Kopperston weather by month
What a typical year looks like in Kopperston, West Virginia: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Oceana 2 SE, 9 km from Kopperston; records cover 1997–2025.
The year at a glance
- Precipitation a year
- 51.2 in1301 mm
- Snow a year
- 21 in53 cm
- Last spring freeze
- Apr 22
- First fall freeze
- Oct 22
- Heating degree days
- 4,889
- Cooling degree days
- 880
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 7°−14° (heating, 99%) and 91°33° (cooling, 1%).
Month by month
Kopperston in January
Highs average 42°5° and lows 23°−5°, with 4.2 in106 mm of precipitation and 7 in18 cm of snow in a typical January.
- Record high
- 76°24° (2002)
- Record low
- −6°−21° (2014)
- Heating degree days
- 1010
- Cooling degree days
- 0
Kopperston in February
Highs average 47°8° and lows 25°−4°, with 3.9 in98 mm of precipitation and 6 in14 cm of snow in a typical February.
- Record high
- 80°27° (2017)
- Record low
- −17°−27° (2015)
- Heating degree days
- 815
- Cooling degree days
- 0
Kopperston in March
Highs average 56°14° and lows 30°−1°, with 4.4 in111 mm of precipitation and 2.3 in5.8 cm of snow in a typical March.
- Record high
- 87°31° (1998)
- Record low
- 3°−16° (2014)
- Heating degree days
- 670
- Cooling degree days
- 0
Kopperston in April
Highs average 69°20° and lows 39°4°, with 4.7 in120 mm of precipitation and 0.2 in0.5 cm of snow in a typical April.
- Record high
- 92°33° (2010)
- Record low
- 20°−7° (1997)
- Heating degree days
- 342
- Cooling degree days
- 10
Kopperston in May
Highs average 75°24° and lows 50°10°, with 5.1 in130 mm of precipitation in a typical May.
- Record high
- 90°32° (2006)
- Record low
- 25°−4° (1997)
- Heating degree days
- 138
- Cooling degree days
- 63
Kopperston in June
Highs average 82°28° and lows 58°15°, with 4.8 in123 mm of precipitation in a typical June.
- Record high
- 95°35° (1999)
- Record low
- 40°4° (2025)
- Heating degree days
- 18
- Cooling degree days
- 171
Kopperston in July
Highs average 84°29° and lows 63°17°, with 5.8 in148 mm of precipitation in a typical July.
- Record high
- 98°37° (2012)
- Record low
- 50°10° (2010)
- Heating degree days
- 2
- Cooling degree days
- 268
Kopperston in August
Highs average 84°29° and lows 62°17°, with 4.5 in114 mm of precipitation in a typical August.
- Record high
- 96°36° (2019)
- Record low
- 44°7° (2025)
- Heating degree days
- 2
- Cooling degree days
- 241
Kopperston in September
Highs average 79°26° and lows 55°13°, with 3.3 in85 mm of precipitation in a typical September.
- Record high
- 96°36° (1998)
- Record low
- 35°2° (1999)
- Heating degree days
- 52
- Cooling degree days
- 112
Kopperston in OctoberThis month
Highs average 68°20° and lows 43°6°, with 3.1 in77 mm of precipitation in a typical October.
- Record high
- 94°34° (2019)
- Record low
- 24°−4° (2008)
- Heating degree days
- 310
- Cooling degree days
- 15
Kopperston in November
Highs average 56°14° and lows 31°0°, with 3.3 in84 mm of precipitation and 0.6 in1.5 cm of snow in a typical November.
- Record high
- 84°29° (2003)
- Record low
- 8°−13° (2008)
- Heating degree days
- 633
- Cooling degree days
- 0
Kopperston in December
Highs average 46°8° and lows 27°−3°, with 4.2 in106 mm of precipitation and 5 in13 cm of snow in a typical December.
- Record high
- 73°23° (1998)
- Record low
- 0°−18° (2004)
- Heating degree days
- 897
- Cooling degree days
- 0