What a pack of rubbish, August is summer. That's a summer snow squall. Very common year round up in the great white north.
I knew that, just trying to relate to the southerly neighbours that don't understand snow eh.
I actually had ice on our boat last summer. We were cruising through Collins Inlet when that "little voice in my head" said drop the anchor after watching a t-storm build all afternoon, ( although not the clouds like the picture above) No sooner had we dropped the anchor than we were run over by horizontal rain, 52 knot gusts and hail that actually accumulated on the deck. Afterwords there were several trees downed just behind us. If we had continued on East, there is no way we would have made the turn to Beaverstone Bay and would have ended up grounding or worse at the East end of Collins Inlet.