The best time to visit Kastel Novi for a holiday rental is during the summer months, particularly in July, when the town buzzes with energy and excitement. This peak season, which spans from June to August, welcomes numerous tourists keen to enjoy the sun, sea, and vibrant local culture. Expect warm temperatures averaging around 30°C, making it ideal for beach activities, swimming, and exploring the stunning coastal scenery.In July, Kastel Novi transforms into a lively hub, with outdoor cafes, markets, and summer festivals showcasing the best of Dalmatian cuisine and music. The pleasant evenings provide a great backdrop for leisurely strolls along the waterfront or dining al fresco, allowing you to soak up the charming atmosphere of this beautiful coastal town.If you're looking for a more budget-friendly option, consider visiting in October. During this time, you can enjoy milder temperatures (around 20°C), fewer crowds, and the chance to experience the local culture without the hustle and bustle of peak season. The quieter atmosphere allows for a more relaxed exploration of the region's historical sites and natural beauty.