The country that celebrates Christmas in July is Australia. Australia is one of the few countries in the Southern Hemisphere that celebrates Christmas on December 25th, despite being in the middle of summer. However, there are some communities in Australia that choose to celebrate Christmas in July instead, usually due to the cold winter weather at that time of year. The tradition of celebrating Christmas in July is believed to have originated in the early 19th century when immigrants from northern Europe brought their Christmas traditions with them to Australia.