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.
In my view, how much time it takes you to learn a language depends on four factors: By Star for Life [CC BY 2.0]. Image Source. 1  The languageâs difficulty. 2  How long and often you study. 3  The quality of your studying.