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.
1 Learning vocabulary by memorizing the definition in your native language is an inefficient way to learn words. 2  Rather, reading is the best way to increase your vocabulary. 3  Learn words by seeing the word in a sentence.