May 15 is generally a great time to visit Split. While there is a slight chance of rain (30%), showers are usually brief. Expect comfortable 21°C weather. It's a great middle-ground for visiting Split—enough activity to feel the pulse, but no overwhelming lines.
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Essential Travel Info for Split
Currency
EUR
€ Euro
Language
Croatian
Driving
Right side
Connect
Split has good 4+G and 5G speed from Tel...
Safety
Very High Safety
GPI: 1.44
Split Weather Forecast for May 15
"Mild & Comfortable. Expect average highs of 21.2°C. 30% chance of rain."
What to Wear in Split in May
Based on historical data for May 15, Split typically experiences temperatures between 13.9°C and 21.2°C. We recommend packing light jacket, long pants to stay comfortable. With a 30% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Split
Smart Suitcase
- Light Jacket
- Long Pants
Average High
21.2°C
Daytime Peak
Average Low
13.9°C
Nighttime Low
Feels Like
21.4°C
☀️ Feels accurate
Rain Chance
30%
Avg 2.1mm if it rains
Cloud Cover
54%
Overcast
Pressure
1013.1 hPa
Medium volatility
Split Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
~ Weather is generally predictable, but pack for minor variations. A light backup layer is recommended.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
04:00 - 10:00
16:00 - 19:00
Type I-II
🔴 16 min to burn
Type III-IV
🟡 24 min to burn
Type V-VI
🟢 40 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
15.5°C
Pleasant
Heat Stress
Low
No heat warning
😊 Best outdoor time:
Any time during daylight hours
Marine Conditions
Marine Life
No special warnings. Enjoy the swim!
Swim Index
⚠️ Mixed Conditions
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Croatia
Flight Traffic
Moderate
59/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~50
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Split
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
04:31
☀️ Noon
11:51
🌇 Sunset
19:12
⏱️ Daylight
14h 41m
Wind Speed
16.8 km/h
Gentle breeze
Sunshine
11.2 hrs
Direct Sun (Cloud-free)
Humidity
70%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Split
Smart Flight Estimator
Airport-to-Airport Logistics
unlock smart flight estimates
Add your home location in settings to see airport details.
Travel Health & Safety in Split
Travel Comfort Index
Real-time tourism conditions
Weather Quality
⛅ Good
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Moderate fluctuations. Some sensitivity possible.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Moderate seismic activity. Occasional tremors possible.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Split on May 15 averages 21.2°C with a 30% precipitation probability. Wedding/Outdoor Event Score: 95/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Split Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
May 9
21.3°C • 20% rain
Score
98
May 10
21.5°C • 22% rain
Score
98
May 18
21.9°C • 18% rain
Score
98
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (May 15) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Split Worth Visiting on May 15?
Planning a trip to Split on May 15? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 21.2°C with a 30% historical precipitation risk.
✈️ Travel Logistics: Approximately 50 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 7 vaccinations are recommended for Croatia, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 18.5°C (refreshing tonic). Wave conditions are generally lake-like with heights around 0.41m.
📊 Historical Extremes: The hottest May 15 recorded in the last 30 years saw temperatures hit 26.4°C in 2022, while the coldest dropped to 9.5°C in 2019.