How warm does lake norman get?

Average temperature in Lake Norman in Catawba The warm season lasts 3, 7 months, from May 26 to September 15, with an average daily high temperature above 81 °F. The hottest month of the year in Lake Norman in Catawba is July, with an average high of 88 °F and a low of 69 °F. The BestPlaces annual comfort index for Lake Norman in Catawba is 7.6 (10% 3Dbest), which means it is one of the nicest places in North Carolina.