May 21 is generally a great time to visit Zadar. While there is a slight chance of rain (26%), showers are usually brief. Expect comfortable 22°C weather. It's a lively time to explore Zadar, with most attractions operating at full capacity.
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Essential Travel Info for Zadar
Currency
EUR
€ Euro
Language
Croatian
Driving
Right side
Connect
As of Sept 2021, Zadar and the coastal h...
Safety
Very High Safety
GPI: 1.44
Zadar Weather Forecast for May 21
"Mild & Comfortable. Expect average highs of 22.2°C. 26% chance of rain."
What to Wear in Zadar in May
Based on historical data for May 21, Zadar typically experiences temperatures between 14.3°C and 22.2°C. We recommend packing t-shirt, light clothing to stay comfortable. With a 26% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Zadar
Smart Suitcase
- T-Shirt
- Light Clothing
Average High
22.2°C
Daytime Peak
Average Low
14.3°C
Nighttime Low
Feels Like
22.5°C
☀️ Feels accurate
Rain Chance
26%
Avg 2.2mm if it rains
Cloud Cover
47%
Overcast
Pressure
1014.1 hPa
Medium volatility
Zadar Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 92% 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
16.9°C
Noticeable
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
62/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~24
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Zadar
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
04:28
☀️ Noon
11:57
🌇 Sunset
19:25
⏱️ Daylight
14h 57m
Wind Speed
14.4 km/h
Gentle breeze
Sunshine
12.0 hrs
Direct Sun (Cloud-free)
Humidity
72%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Zadar
Smart Flight Estimator
Airport-to-Airport Logistics
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Add your home location in settings to see airport details.
Travel Health & Safety in Zadar
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
Rare minor tremors. Buildings are earthquake-resistant.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Zadar on May 21 averages 22.2°C with a 26% precipitation probability. Wedding/Outdoor Event Score: 97/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Zadar Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
May 25
23°C • 15% rain
Score
100
May 26
23.3°C • 15% rain
Score
100
May 27
23.4°C • 15% rain
Score
100
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (May 21) in other destinations
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📍 Is Zadar Worth Visiting on May 21?
Planning a trip to Zadar on May 21? 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 22.2°C with a 26% historical precipitation risk.
✈️ Travel Logistics: Approximately 24 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 18.8°C (refreshing tonic). Wave conditions are generally lake-like with heights around 0.26m.
📊 Historical Extremes: The hottest May 21 recorded in the last 30 years saw temperatures hit 25.7°C in 2018, while the coldest dropped to 10.1°C in 2021.