June to August in Europe is known as High Season (which means you can expect wonderful summer weather but the downside is quite a few crowds). Any destination in Europe will be a great destination during high season.
If you really put your mind to it, and constantly expose yourself to a language then you may find that you can speak it with relative ease within about 6 months, although as mentioned before, you would really need to be living in a country that speaks that language in order to get to this stage.
How babies learn language: Unraveling the mystery. From birth to age 7, children are geniuses at learning language. After that, the ability starts dropping dramatically before leveling out at 17 or 18. How babies learn language â what goes on in their brains â is a mystery still being unraveled.