He has overseen a solid season in the Magners League and some encouraging performances in the European Cup - which led to young stars such as Ross Rennie and Nick de Luca making their Scotland debuts in the RBS 6 Nations.
Robinson told the club's website: "I have been really impressed with the togetherness shown by the players and that level of team spirit is impossible to manufacture; it is either there or not.
"Fortunately we have got that spirit and with the players improving their game management and on-field understanding then we can look forward to plenty of enjoyable experiences in the future.
"As I have said before, enthusiasm is a priceless commodity at any club and we are very fortunate that so many people believe in the team and the club - that genuinely inspires me as a coach.
"We are gradually growing and developing as a club and, although we all acknowledge it is not going to be an overnight process, the foundations have now been laid for long term success."