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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.
Omiš Weather in August
In Omiš, August brings high daytime temperatures around 27°C (81°F), with nights cooling to 21°C (70°F). Some rainfall is to be expected.
Rainfall in Omiš in August
Typically around 9 days of rainfall are expected, averaging 40 mm (1.6 in) for the month. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in Omiš in August
Omiš has excellent weather in August, with days reaching 27°C (81°F) and nights cooling to 21°C (70°F). The summer season is characteristic of August. Conditions stay fairly consistent through the month, making it easier to plan what to wear. With overnight lows of 21°C (70°F), evenings stay pleasantly warm. It's the warmest month of the year on average, so summer clothing is the way to go.
Sunshine in Omiš in August
There are approximately 320 hours of sunshine this month, resulting in mostly clear days.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Omiš Temperature in August
Min Temperature
21°C (70°F)
Max Temperature
27°C (81°F)
Chance of Rain
30%
Precipitation
40 mm (1.6 in)
Rainy days
9 days
Sunshine
320 hours
Percentage Sunshine
Omiš Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Omiš - and find the best time to visit.
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Omiš typically drop from around 31°C (88°F) at the start of August to approximately 28°C (82°F) by the end. Nights are warm, with lows typically ranging from 19°C (66°F) to 22°C (72°F).
Average temperatures in August
Daily Historical Precipitation
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather records for Omiš in August
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 August
The extremes listed below come from historical weather data collected in Omiš from 1994 through 2026.
- The warmest day in August was on August 11, 2026, with a maximum of 38°C (100°F).
- The lowest daytime temperature in August was 20°C (68°F), recorded on August 30, 1995.
- Omiš registered its coldest August night on August 11, 2006, with temperatures dropping to 13°C (55°F).
Best Places in Croatia in August
Find out more about the weather in Croatia and which places have the best travel conditions in this month. See all of Croatia in August →
perfect weather
pleasant
tolerable
unpleasant
poor
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).
What to Wear in Omiš in August
Warm temperatures in August make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Rain gear is recommended, you can expect wet weather on multiple days. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Omiš in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming10/10 -
Cycling8/10 -
Walking8/10 -
Barbeque10/10 -
Camping10/10 -
Outdoor sports8/10
Omiš 3-Day Forecast
More climate data for Omiš
See the full Omiš climate overview or explore weather in Croatia.
Popular in August
Where to go in August - average daytime high across popular destinations.
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