August remains very warm with long sunny days and crowded beaches and towns, especially along the Dalmatian coast. Prices and ferry bookings are at their peak. Inland mountain areas offer cooler retreats and are popular for day trips.
Average daily low and high (°C) and monthly rainfall. The badge shows how it feels, allowing for humidity.
Average temperature across Croatia in August.
Northern Adriatic
August keeps peak-summer heat and busy harbors, and occasional afternoon thunderstorms can break the heat - they are typically short but intense. Coastal evenings stay warm; festivals and outdoor dining continue late into the night. Travelers who dislike crowds should choose weekday travel or explore lesser-known peninsulas; always carry water and a sun hat, and book tickets for ferries and cultural events ahead.
Split, Hvar, Brač, Vis
August keeps the peak summer intensity: heat, strong sun, and bustling beaches from Makarska up to Hvar and Brač. Short, intense thunderstorms sometimes break the heat in late afternoons, but typically the weather favors swimming and sailing. Travelers wary of crowds should book well ahead or choose quieter islands like Vis; expect crowded ferries and higher prices for local services.
Dubrovnik, Korčula, Pelješac, Mljet
August maintains high summer intensity with hot days, warm sea temperatures, and bustling harbors where yachts and day-trippers converge. Occasional short thunderstorms offer brief respite but generally the weather favors swimming, sailing, and late-night dining. Travelers should reserve dining and transport in advance, use sunscreen, and consider early-morning walks on the city walls to avoid midday heat and crowds.
Mountains and Karst Interior
August keeps summer warmth with comfortable conditions for high-altitude hikes and cooler nights; vegetation is dense and mountain rivers offer relief from the heat. Occasional late afternoon storms can still roll through, bringing short, intense downpours. For travelers this is prime trekking season; reserve accommodation in mountain huts and bring a lightweight sleeping layer for cooler nights at altitude.
Zagreb, Slavonia, Northern Plains
August remains hot and can be humid across the plains; thunderstorms build in the afternoons and can be intense but brief. Harvest activity begins in late month in agricultural areas, and August evening markets are vibrant. For travelers, plan flexible itineraries around weather and carry light, breathable clothing plus a waterproof layer for sudden storms.
A traditional equestrian tournament held in Sinj on the first Sunday in August, attracting many local visitors.
See how August compares with the rest of the year, then read the full guide.