Okanagan? Nowhere close. Water temp in the middle of the lake reported yesterday at +7C. We had a week here where the mercury hovered around minus 10, coldest was minus 19 one morning. The last week it climbed to +5 - +10 during the day.
So which part of B.C. do you live in and for how long? I searched your "general specs" for that information, but found it pretty sparse!
a simple reverse google image search of any member's avatar pretty much anywhere on the internet (assuming they like to use the same one elsewhere) ought to help lead you toward your answer if you have time to kill.