Adelaide set for hottest Christmas Day since 1945 as heatwave conditions hit South Australia http://www.abc.net.au/news/2016-12-22/sa-to-bake-during-christmas-heatwave-before-storms/8141196 As Adelaide, Dallas looks way up on your December average of 58F https://www.currentresults.com/Weather/Texas/Places/dallas-weather-in-december.php 30C - 86F .. 35 - 95 .. 40 - 104 Christmas weather across Australia December 24, 20163:48pm http://www.news.com.au/national/queensland/christmas-weather-across-australia/news-story/16ee6d7cb33a2c7ce94a104345cc37b9 Best to all for every day .. lol ..