France, Switzerland, Austria and Italy
Spring, summer and autumn are the best seasons to visit France, but there is a region for every season. It is possible to visit Switzerland and Austria any time throughout the year. In Italy, the weather varies considerably according to how far one is from the sea or the mountains. Summer is hot and dry, but the temperature is mitigated on the coast by sea breezes and in the Alps it is pleasantly cool. The winter is very cold in the Alps, cold and foggy in the Po Plain and the central Apennines; mild and warm on the Ligurian coast, the Neapolitan coast and in Sicilia.

Spain and Portugal
Spring and autumn are the best two seasons to visit Spain and Portugal, when temperatures are generally pleasant. In summer, the north coast offers a pleasant climate for sightseeing and relaxing on the beach.

Turkey
Spring and autumn are the best times to visit, since the climate is good in Istanbul and on the Aegean and Mediterranean coasts and cool in central Anatolia.

Croatia and Hungary
May to September are the best months to visit. In April and October the weather is usually fine along the Croatian coast – you can swim in the sea from mid-June to late September. May and June can be wet in Hungary.

Poland, Czech Republic and Slovakia
May to October is generally the best time to visit Poland, with the main tourist season peaking in July and August. May, June and September are the best visiting months for Czech Republic and Slovakia, with April and October being cooler.

Slovenia
Due to Slovenia’s topography, the weather can be quite variable across the country. In the summer it can be very hot at the coast and quite cold in the mountains. Summer and early autumn are the best times to visit the mountains.