Magical Split
The best travel time to Split in Croatia is from May til October and the best months are May, June and September.
With daytime temperatures of 10°C (50°F) and nighttime lows of 5°C (41°F), January in Omiš brings low temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 122 mm (4.8 in) falls on average.
If you're looking for dry conditions and comfortable temperatures, January may not be the ideal month to visit Omiš. 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 Omiš - and find the best time to visit.
51-year average (1976-2026)
Based on our historical records, temperatures in Omiš typically stay consistent throughout January, with daily highs averaging around 10°C (50°F). Nights are cold, with lows around 4°C (39°F).
51-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
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.
Based on 49 years of weather observations in Omiš between 1976 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 January →
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).
We recommend to layer up for chilly conditions in Omiš in January. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Bring sunglasses since you'll have some sunny periods throughout the month
We rated the following activities from 1 (least suitable) to 10 (best) to do.
See the full Omiš climate overview or explore weather in Croatia.
Where to go in January - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
Magical Split
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