the january daily average temperature is , though the temperature frequently rises to during thaws and dips to for 2 or 3 nights in a normal winter. july averages , although heat waves accompanied by high humidity and heat indices are frequent, with highs reaching or exceeding on 40 days of the year. the average window for freezing temperatures is november 6 thru april 2, allowing a growing season of 217 days. winters are generally dry with february having the lowest average precipitation at .