May 18 is generally a great time to visit Dubrovnik. While there is a slight chance of rain (23%), showers are usually brief. Expect comfortable 21°C weather. Dubrovnik is seeing high visitor numbers, so iconic spots may be busier than usual.
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Essential Travel Info for Dubrovnik
Currency
EUR
€ Euro
Language
Croatian
Driving
Right side
Connect
Dubrovnik has 4G from all Croatian carri...
Safety
Very High Safety
GPI: 1.44
Dubrovnik Weather Forecast for May 18
"Mild & Comfortable. Expect average highs of 21.2°C. 23% chance of rain."
What to Wear in Dubrovnik in May
Based on historical data for May 18, Dubrovnik typically experiences temperatures between 14.3°C and 21.2°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (23% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Dubrovnik
Smart Suitcase
- Light Jacket
- Long Pants
Average High
21.2°C
Daytime Peak
Average Low
14.3°C
Nighttime Low
Feels Like
21.4°C
☀️ Feels accurate
Rain Chance
23%
Avg 1.3mm if it rains
Cloud Cover
51%
Overcast
Pressure
1014.2 hPa
Low volatility
Dubrovnik Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 90% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
04:00 - 10:00
16:00 - 19:00
Type I-II
🔴 15 min to burn
Type III-IV
🟡 23 min to burn
Type V-VI
🟢 38 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
15.7°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
Busy
63/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~41
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Dubrovnik
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
04:24
☀️ Noon
11:45
🌇 Sunset
19:06
⏱️ Daylight
14h 42m
Wind Speed
12.7 km/h
Gentle breeze
Sunshine
11.7 hrs
Direct Sun (Cloud-free)
Humidity
71%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Dubrovnik
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Dubrovnik
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Stable conditions. Low risk of headaches.
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, Dubrovnik on May 18 averages 21.2°C with a 23% precipitation probability. Wedding/Outdoor Event Score: 98/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Dubrovnik Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (May 18) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Dubrovnik Worth Visiting on May 18?
Planning a trip to Dubrovnik on May 18? 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 23% historical precipitation risk.
✈️ Travel Logistics: Approximately 41 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 19.1°C (refreshing tonic). Wave conditions are generally fun waves with heights around 0.84m.
📊 Historical Extremes: The hottest May 18 recorded in the last 30 years saw temperatures hit 28.9°C in 2020, while the coldest dropped to 9.8°C in 2025.