Rovinj weather in December
Temperature, sea and sunshine in December: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in December
Poor
Best time to visit: June – August
What is the weather like in Rovinj in December?
In December, Rovinj is cool: daytime highs average 10 °C, and nights cool down to about 6 °C. The sea averages 14.0 °C – swimming is only for the hardy. Expect around 5 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 137 mm in total. All in all, December is not an ideal month for a holiday in Rovinj.
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 11 | 15 | 16 |
| Day | 14° | 10° | 9° |
| Night | 10° | 6° | 5° |
| Sea | 17° | 14° | 12° |
| Sun | 5 h | 5 h | 5 h |
| Rain days | 14 | 12 | 11 |
More details for December
- Daylight
- 8 h 47 min07:37 – 16:24
- UV index
- 1 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or more
- Wind
- 22 km/haverage daily peak
- Cloud cover
- 59 %on average
- Hot days
- 0 days30 °C or more
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC+1Europe/Zagreb
How the score comes together
- Temperatureweight 35 %0 %
- Seaweight 25 %0 %
- Sunshineweight 20 %28 %
- Few rainy daysweight 20 %45 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in December
- A jumper for the evenings
- Rain jacket or umbrella
Rovinj in December: quick answers
Is Rovinj hot in December?
No. In December, Rovinj is cool: daytime highs average 10 °C and nights drop to about 6 °C.
Can you swim in Rovinj in December?
Only if you don't mind cold water: in December the sea averages just 14.0 °C. Comfortable swimming is possible from June to September.
Does it rain much in Rovinj in December?
Rain is frequent, with about 12 rainy days and 137 mm in total.
Rovinj month by month
The whole year in RovinjAll destinations: CroatiaWhere to go in DecemberSea temperature in December
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)