Omiš Weather in May
May is one of the perfect months to visit Omiš, with daytime temperatures of 21°C (70°F) and lows of 15°C (59°F) at night. Do note that quite a bit of rainfall is typical, averaging around 77 mm (3 in).
Rainfall in Omiš in May
Typically around 12 days of rainfall are expected, averaging 77 mm (3 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Omiš in May
May is a perfect month in Omiš, with 21°C (70°F) during the day and 15°C (59°F) at night. Conditions are often most pleasant around the middle of the day. With lows of 15°C (59°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.
Sunshine in Omiš in May
There are approximately 280 hours of sunshine this month, resulting in mostly clear days.If your ideal day consists of dry skies and pleasant temperatures, May, June, July and August typically offer the best circumstances for Omiš.
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 May
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Omiš typically rise from around 21°C (70°F) at the start of May to approximately 24°C (75°F) by the end. Nights are pleasant, with lows typically ranging from 13°C (55°F) to 16°C (61°F).
Average temperatures in May
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 May
Historical weather for Omiš in May
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 May
The extremes listed below come from historical weather data collected in Omiš from 1993 through 2026.
- The warmest day in May was on May 28, 2026, with a maximum of 32°C (90°F).
- On May 26, 2013, Omiš saw its coldest May day with temperatures maxing out at 13°C (55°F).
- Omiš registered its coldest May night on May 9, 2021, with temperatures dropping to 6°C (43°F).
Best Places in Croatia in May
Find out more about the weather in Croatia and which places have the best travel conditions in this month. See all of Croatia in May →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Omiš in May
Pleasant temperatures in May mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Omiš in May
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.