Late spring brings warm days and long daylight, ideal for coastal walks and city visits before peak season. Ferries and many attractions are fully operational but crowds remain moderate. Accommodation prices begin to rise toward the end of the month.
Average daily low and high (°C) and monthly rainfall. The badge shows how it feels, allowing for humidity.
Average temperature across Croatia in May.
Northern Adriatic
May warms reliably, with sea breezes moderating heat along the waterfront and island harbors filling for the first time with visiting sailors. Hvar’s lavender is not at peak here (that comes later), but the coastline from Piran to Pula is green and fragrant; swimming starts to be comfortable at month’s end. Expect busy weekends as Croatians travel, so reserve accommodation for coastal towns and pack sunscreen and a light windbreaker for chilly evenings.
Split, Hvar, Brač, Vis
May is a sweet spot: warm sunny days in the low to mid-twenties Celsius, calm seas, and island marinas filling with visiting yachts. Hvar’s lavender begins showing color in some fields late in the month, and ferry services are frequent - great for island-hopping. Travelers should expect busier weekends; bring swimwear, sunscreen, and a light jacket for after-sunset breezes.
Dubrovnik, Korčula, Pelješac, Mljet
May shifts firmly into spring, with warmer days often in the high teens to low twenties Celsius and blossoming gardens around the old city. The sea becomes enticing and more island services resume; vineyards on Pelješac stir into the growing season. For travelers this is one of the best shoulder-season months - crowds are modest, photography is excellent, and packing should include swimwear along with a light jumper for night.
Mountains and Karst Interior
May is noticeably milder in the karst interior: daytime temperatures are comfortable for hiking in places such as Risnjak or Velebit, and streams and waterfalls are at high flow after snowmelt. Mosquitoes may start near still water and trails can be soft, so bring insect repellent and durable footwear. For travelers, May is excellent for lower-elevation trekking and exploring the Plitvice labyrinth without summer crowds.
Zagreb, Slavonia, Northern Plains
May is mild to warm with long daylight hours and comfortable conditions for river cruises on the Drava or cycling through Slavonia’s vineyards. Wildflowers are abundant and rural festivals begin to revive post-winter; this is an excellent month for agritourism. Pack versatile clothing - layers work well - and expect pleasant, mostly dry days with occasional showers.
There are no major festivals or events in Croatia during May to be aware of.
See how May compares with the rest of the year, then read the full guide.