May 21 is statistically one of the best days of the year in Abu Dhabi. With minimal rain risk (0%) and pleasant highs of 37°C, it's ideal for outdoor adventures. As it's peak season for Abu Dhabi, we recommend booking your stay well in advance to secure the best rates.
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Essential Travel Info for Abu Dhabi
Currency
AED
د.إ United Arab Emirates dirham
Language
Arabic
Driving
Right side
Safety
High Safety
GPI: 1.865
Abu Dhabi Weather Forecast for May 21
"Warm & Sunny. Expect average highs of 37.2°C. 0% chance of rain."
What to Wear in Abu Dhabi in May
Based on historical data for May 21, Abu Dhabi typically experiences temperatures between 26.8°C and 37.2°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (0% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Abu Dhabi
Smart Suitcase
- T-Shirt
- Light Clothing
Average High
37.2°C
Daytime Peak
Average Low
26.8°C
Nighttime Low
Feels Like
48.5°C
🔥 Heat index effect
Rain Chance
0%
Avg 0mm if it rains
Cloud Cover
9%
Clear sky
Pressure
1004 hPa
Low volatility
Abu Dhabi Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 97% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 50+, limit exposure 10am-4pm
05:00 - 10:00
16:00 - 19:00
Type I-II
🔴 8 min to burn
Type III-IV
🟡 12 min to burn
Type V-VI
🟢 20 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
26.3°C
Humid/Sticky
Heat Index
48.5°C
Feels hotter
😕 Best outdoor time:
Early morning (6-9 AM) or evening (after 6 PM)
Marine Conditions
Marine Life
No special warnings. Enjoy the swim!
Swim Index
✅ Excellent Swimming Conditions
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in United Arab Emirates
Flight Traffic
High
100/100 pressure index
Health Advisory
Required
2 vaccines • View Details →
Landing Slots
~252
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Abu Dhabi
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:38
☀️ Noon
12:20
🌇 Sunset
19:02
⏱️ Daylight
13h 24m
Wind Speed
23.8 km/h
Moderate wind
Sunshine
12.1 hrs
Direct Sun (Cloud-free)
Humidity
54%
Comfortable
Travel Intelligence
Exclusive flight analytics & health data for Abu Dhabi
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 Abu Dhabi
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.
Unhealthy for sensitive groups. Consider wearing a mask outdoors.
Regional Safety Profile
Seismic Activity
Zero seismic activity detected in 30 years.
Cyclone Risk
Season: Apr - Dec
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Abu Dhabi on May 21 averages 37.2°C with a 0% precipitation probability. Wedding/Outdoor Event Score: 80/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Abu Dhabi Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
May 16
36.6°C • 0% rain
Score
83
May 17
36.4°C • 0% rain
Score
83
May 18
36.6°C • 0% rain
Score
83
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (May 21) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Abu Dhabi Worth Visiting on May 21?
Planning a trip to Abu Dhabi on May 21? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 37.2°C with a 0% historical precipitation risk.
✈️ Travel Logistics: Approximately 252 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 8 vaccinations are recommended for United Arab Emirates, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 30.6°C (hot soup). Wave conditions are generally lake-like with heights around 0.35m.
📊 Historical Extremes: The hottest May 21 recorded in the last 30 years saw temperatures hit 39.7°C in 2025, while the coldest dropped to 25.4°C in 2018.