I Tmeaur Zon Ma I KEY In a typical year, temperatures will not go below: U 34 Degrees Fahrenheit *30 26 22 E 18 IMPORTANT NOTE: The zones on this map were derived from a compilation of information supplied by the Institute of Food and Agricultural Sciences (IFAS) County Extension Agents within the Southwest Florida Water Management District. Although the information was validated using data supplied by the National Weather Station in Ruskin, Florida, there may be slight localized differences in climatic conditions within a temperature zone.