Omiš Weather in December
December in Omiš brings low temperatures, with highs of 11°C (52°F) and nights dropping to 6°C (43°F). Rainfall is on the higher side this month, averaging around 169 mm (6.7 in), so keep a rain jacket handy.
Rainfall in Omiš in December
Past climate data indicates that roughly 14 days will see rain, totalling around 169 mm (6.7 in) for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.
Temperature in Omiš in December
In December, expect low temperatures in Omiš, with highs of 11°C (52°F) and lows of 6°C (43°F) at night. December marks the winter season. Cold conditions persist throughout the day, so warm clothing is important from the moment you head outside. At 6°C (43°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.
Sunshine in Omiš in December
The area experiences a moderate amount of sunshine, with approximately 140 hours of sunlight expected. This means a decent mix of sun and overcast.December in Omiš can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Croatia, check out our Omiš's climate page.
Omiš Temperature in December
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Omiš typically stay consistent throughout December, with daily highs averaging around 11°C (52°F). Nights are cold, with lows typically ranging from 4°C (39°F) to 7°C (45°F).
Average temperatures in December
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Omiš in December
Browse day-by-day weather records for Omiš spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Omiš historical weather extremes in December
Based on weather observations in Omiš between 1992 and 2025, these are the recorded extremes during December.
- The warmest day in December was on December 3, 2021, with a maximum of 20°C (68°F).
- On December 27, 1996, Omiš saw its coldest December day with temperatures maxing out at 0°C (32°F).
- Omiš registered its coldest December night on December 15, 2010, with temperatures dropping to -5°C (23°F).
Best Places in Croatia in December
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 →
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What to Wear in Omiš in December
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. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Omiš in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Croatia, check out our Omiš's climate page.
See the full Omiš climate overview or explore weather in Croatia.