Split 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 Split in December?
In December, Split is cool: daytime highs average 12 °C, and nights cool down to about 8 °C. The sea averages 16.4 °C – swimming is only for the hardy. Expect around 5 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 136 mm in total. All in all, December is not an ideal month for a holiday in Split.
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 19 | 14 | 17 |
| Day | 15° | 12° | 11° |
| Night | 12° | 8° | 7° |
| Sea | 19° | 16° | 14° |
| Sun | 5 h | 5 h | 5 h |
| Rain days | 14 | 13 | 11 |
More details for December
- Daylight
- 8 h 59 min07:20 – 16:19
- UV index
- 1 · lowclear sky, noon (estimate)
- Muggy days
- 0 daysdew point 18 °C or more
- Wind
- 24 km/haverage daily peak
- Cloud cover
- 53 %on average
- Hot days
- 0 days30 °C or more
- Time zone
- UTC+1Europe/Zagreb
How the score comes together
- Temperatureweight 35 %0 %
- Seaweight 25 %0 %
- Sunshineweight 20 %30 %
- Few rainy daysweight 20 %39 %
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
Split in December: quick answers
Is Split hot in December?
No. In December, Split is cool: daytime highs average 12 °C and nights drop to about 8 °C.
Can you swim in Split in December?
Only if you don't mind cold water: in December the sea averages just 16.4 °C. Comfortable swimming is possible from June to October.
Does it rain much in Split in December?
Rain is frequent, with about 13 rainy days and 136 mm in total.
Split month by month
The whole year in SplitAll destinations: Croatia
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)