Magical Split
The best travel time to Split in Croatia is from May til October and the best months are May, June and September.
In Supetar, December brings moderate daytime temperatures around 13°C (55°F), with nights cooling to 8°C (46°F). Expect quite a bit of rainfall this month.
If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Supetar. Our weather planner can help you explore destinations with more pleasant weather conditions.
Pick a month to see the average temperature, rainfall and sunshine in Supetar - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Supetar typically stay consistent throughout December, with daily highs averaging around 13°C (55°F). Nights are cold, with lows typically ranging from 4°C (39°F) to 7°C (45°F).
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Supetar spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on 33 years of weather observations in Supetar between 1992 and 2025, these are the recorded extremes.
Find out more about the weather in Croatia and which places have the best travel conditions in this month. See all of Croatia in December →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
The weather can be unpredictable in December, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. Also bring a poncho, it will rain a lot! Waterproof everything you can. Expect water temperatures of around 14°C (57°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Water Temp
See the full Supetar climate overview or explore weather in Croatia.
Where to go in December - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
Magical Split
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