Well either he wants to know and you can tell him to look on his phone, or he is telling you that at that hour you should not be sitting around quietly, but out bar hitting!
Well Songkran is often slated as marking the end of the dry season, no so this year. I agree Koh Larn has this issue every year. I may have missed a lot of previous heat waves though as April used to be my UK trip times past.