Wales will play England in a one-off Test match at Twickenham in May before their tour to New Zealand.
Full caps will be awarded for the contest, before Wales embark on a three-Test tour to face the world champions.
In addition the WRU have confirmed four Test matches will take place in November.
Wales will face Australia, Argentina and South Arica as part of a four-match series over consecutive Saturdays, with the fourth fixture against a Tier 2 side to be confirmed.
June Tests, 2016
Sunday, May 29: England v Wales, Twickenham
Saturday, June 11: New Zealand v Wales, Eden Park, Auckland
Tuesday, June 14: Chiefs v Wales, Waikato Stadium, Waikato
Saturday, June 18: New Zealand v Wales, Westpac Stadium, Wellington
Saturday, June 25: New Zealand v Wales, Forsyth Barr Stadium, Dunedin
November Tests, 2016
Saturday, November 5: Wales v Australia, Millennium Stadium
Saturday, November 12: Wales v Argentina, Millennium Stadium
Saturday, November 19: Wales v TBC, Millennium Stadium
Saturday, November 26: Wales v South Africa, Millennium Stadium