May 21 is statistically one of the best days of the year in Ibiza. With minimal rain risk (8%) and pleasant highs of 24°C, it's ideal for outdoor adventures. It's a great middle-ground for visiting Ibiza—enough activity to feel the pulse, but no overwhelming lines.
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Essential Travel Info for Ibiza
Currency
EUR
€ Euro
Language
Spanish
+3 more
Driving
Right side
Safety
High Safety
GPI: 1.603
Ibiza Weather Forecast for May 21
"Mild & Comfortable. Expect average highs of 23.7°C. 8% chance of rain."
What to Wear in Ibiza in May
Based on historical data for May 21, Ibiza typically experiences temperatures between 16.4°C and 23.7°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (8% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Ibiza
Smart Suitcase
- T-Shirt
- Light Clothing
Average High
23.7°C
Daytime Peak
Average Low
16.4°C
Nighttime Low
Feels Like
24.2°C
☀️ Feels accurate
Rain Chance
8%
Avg 0.2mm if it rains
Cloud Cover
39%
Overcast
Pressure
1015.8 hPa
Medium volatility
Ibiza Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 98% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30+ required, seek shade
05:00 - 10:00
16:00 - 20:00
Type I-II
🔴 13 min to burn
Type III-IV
🟡 20 min to burn
Type V-VI
🟢 33 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
17.2°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 Spain
Flight Traffic
Moderate
42/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~122
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Ibiza
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:38
☀️ Noon
12:52
🌇 Sunset
20:06
⏱️ Daylight
14h 27m
Wind Speed
19.3 km/h
Gentle breeze
Sunshine
12.7 hrs
Direct Sun (Cloud-free)
Humidity
67%
Slightly humid
Travel Intelligence
Exclusive flight analytics & health data for Ibiza
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 Ibiza
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
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
Zero seismic activity detected in 30 years.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Ibiza on May 21 averages 23.7°C with a 8% precipitation probability. Wedding/Outdoor Event Score: 100/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Ibiza Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Compare Other Cities
Same date (May 21) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Ibiza Worth Visiting on May 21?
Planning a trip to Ibiza 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 23.7°C with a 8% historical precipitation risk.
✈️ Travel Logistics: Approximately 122 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 7 vaccinations are recommended for Spain, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 20.1°C (refreshing tonic). Wave conditions are generally fun waves with heights around 0.76m.
📊 Historical Extremes: The hottest May 21 recorded in the last 30 years saw temperatures hit 26.9°C in 2022, while the coldest dropped to 15.3°C in 2016.