High Quality Content by WIKIPEDIA articles! The Tampa Bay area has a humid subtropical climate (Koppen Cfa), with warm and humid summers with frequent thunderstorms and drier winters with freezing temperatures occurring every 2–3 years. The area experiences a significant summer wet season, as nearly two-thirds of the annual precipitation falls in the months of June through September. The area is listed by the United States Department of Agriculture (USDA) as being in hardiness zone 10, which is about the northern limit of where coconut palms and royal palms can be grown. Highs usually range between 65 and 95 °F (18 and 35 °C) year round. Though known for hot summers, Tampa`s official high has never reached 100 °F (38 °C) – the city`s all-time record temperature is 99 °F (37 °C). St. Petersburg`s all-time record high is exactly 100 °F (38 °C).