Basketball, Baseball, & a couple of NFL games
the national summer sport of Canada is lacrosse
Summer! Competitive badminton is played indoors and can be played in all seasons.
The table tennis is a winter sport as well as a summer sport.
Winter Sport
summer
Though it can concievably be played year-round, Cricket has traditionally been a Spring/Summer sport, appearing once in the Summer Olympics in 1900.
Cricket is England's national sport.
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Wrestling is a Summer Olympics sport.
It is a Spring/Summer sport.
Golf and Rugby will be the newest Olympic sport at the summer Olympics in London in 2012.
The national summer sport of Canada is lacrosse.