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The best travel time to Split in Croatia is from May til October and the best months are May, June and September.
December in Rovinj sees daytime temperatures around 12°C (54°F) and lows of 7°C (45°F) at night. With around 101 mm (4 in) of rainfall expected, it's worth packing a rain jacket.
If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Rovinj. 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 Rovinj - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Rovinj typically stay consistent throughout December, with daily highs averaging around 12°C (54°F). Nights are cold, with lows typically ranging from 2°C (36°F) to 5°C (41°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 Rovinj spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Rovinj.
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 swing between comfortable and chilly in December, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Expect heavy rainfall, so bring good rain protection and waterproof bags. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full Rovinj 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.
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