Weather in Croatia
The best period to visit the Croatian coast is from April to October. Peak temperatures in high season summer months (July, August) can reach 38°C (100°F), and the water surface at that point reaches a comfortable 26°C (79°F).
High season has its obvious advantages for people looking for fun and excitement and disadvantages for others, but in Croatia you can always find some nice hidden place if you want to sleep far from loud music.
The best period to visit the Croatian coast is from April to October
Spring starting in March can bring some rain showers, but the autumn months, September and October, are ideal for travel if you want to relax. In the off season the beaches are less crowded and the prices drop, weather, however, remains stable and the water is still agreeably warm.
Generally, you can travel along the Croatian coast at any time of the year. During winter season, however, you should pack some warm clothing in spite of the mild Mediterranean climate. The temperatures seldom drop below the freezing point but some winds might be unpleasant in the winter.