HONOLULU, Dec 28 (Reuters) - President Barack Obama will welcome Canadian Prime Minister Justin Trudeau for an official visit to Washington on March 10, complete with a rare state dinner and discussions about energy and climate change, the White House said on Monday.

"The visit will be an opportunity for the United States and Canada to deepen their bilateral relationship, which is one of the closest and most extensive in the world," White House spokesman Josh Earnest said in a statement.