 The growing season is about 140 days in length from the first half of May until the end of September.Winters are mild and can feature days with temperatures exceeding 70 °F - the most recent of which occurred February 6, 2015 (high of 72 °F) - but periods of several consecutive days below freezing can occur and snow can fall from September through late May.Thunderstorms are common in warm months, averaging 42 days per year; hail falls on about five days.