I see you're from Canada, and as someone who is from the northern part of the US I can tell you that it's always better than home. We only cruise in Jan/Feb and have always been comfortable with the weather during the day. As long as the sun is out, it will be confortable. On the ship at night, it can get cool if you're in the wind, or if there's a cloudy day, it might get a little chilly. If you're one who always seems cold, you'll want to bring or buy a sweatshirt.