The humid subtropical
climate (Cfa) has hot muggy summers and frequent thunderstorms. Winters are
mild and precipitation during this season comes from mid-latitude cyclones.
High humidity occurs in
summer months. Summer climate is much like humid tropics. Frost can
occasionally occur with the presence of Continental Polar air masses in
winter. Precipitation varies from 650 to
2500 mm (26 and 98 in.).
CFb: These climates have
mild winters and cool summers with low annual temperature range. Frontal
activity produces heavy cloud cover and high humidity during fall, winter, and
spring. Long periods of rain and drizzle from frequent occurrence of
mid-latitude cyclones. Frost can sometimes occur during the winter season.