46°F
Mostly Sunny
Air Quality Index: 34 (Good)
Charleston, WV, experiences a humid subtropical climate, characterized by hot, humid summers and cool to cold winters. The city's climate is influenced by its position in the Appalachian region, which brings a variety of weather conditions throughout the year. This area typically enjoys four distinct seasons with notable transitional periods in spring and fall.
In summer, Charleston sees average high temperatures in the mid to upper 80s°F, with lows in the mid-60s°F. Winters are cooler, with highs averaging in the low 40s°F and lows often dipping into the mid-20s°F. Spring and fall are transitional, with spring seeing gradual warming from the 50s°F into the 70s°F, while fall reverses this trend as temperatures descend from the 70s°F into the 50s°F.
Precipitation is well-distributed throughout the year, with Charleston receiving approximately 45 inches of rainfall annually. The wettest months are typically May and July, while October is usually the driest. Snowfall occurs in winter, with an average of about 30 inches per year, mainly from December through February.
Charleston's geographic setting in the Appalachian Mountains means it is generally sheltered from extreme weather phenomena like hurricanes and tornadoes. However, the area can experience occasional severe thunderstorms and ice storms in winter. Its elevation and mountainous terrain contribute to the variability in weather, with cold air drainage affecting temperatures in the valleys.