Historical data suggests significant rain risk (72%) on August 21. If you seek sun, consider a different date. Bring rain gear! Boracay is currently in its most popular travel window, meaning vibrant crowds and premium pricing. Note: August 21 is Ninoy Aquino Day in Boracay, so expect special events, closures, and festive atmosphere.
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Essential Travel Info for Boracay
Currency
PHP
₱ Philippine peso
Language
English
+1 more
Driving
Right side
Connect
Internet connectionsare pretty slow anyw...
Safety
Moderate Safety
GPI: 2.339
Boracay Weather Forecast for August 21
"Rainy & Overcast. Expect average highs of 28.3°C. 72% chance of rain."
What to Wear in Boracay in August
Based on historical data for August 21, Boracay typically experiences temperatures between 25.6°C and 28.3°C. We recommend packing t-shirt, light clothing, umbrella to stay comfortable. With a 72% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Boracay
Smart Suitcase
- T-Shirt
- Light Clothing
- Umbrella
Average High
28.3°C
Daytime Peak
Average Low
25.6°C
Nighttime Low
Feels Like
33.8°C
🔥 Heat index effect
Rain Chance
72%
Avg 6.3mm if it rains
Cloud Cover
86%
Slight rain
Pressure
1009 hPa
Low volatility
Boracay Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 96% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
05:00 - 10:00
16:00 - 18:00
Type I-II
🔴 23 min to burn
Type III-IV
🟡 35 min to burn
Type V-VI
🟢 58 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
25.5°C
Humid/Sticky
Heat Index
33.8°C
Feels hotter
😕 Best outdoor time:
Morning hours (before 11 AM)
Marine Conditions
Jellyfish Warning
High water temps may attract jellyfish swarms.
Swim Index
✅ Excellent Swimming Conditions
Travel & Logistics Insights
Local Calendar
Holiday
Ninoy Aquino Day
Flight Traffic
High
95/100 pressure index
Health Advisory
Required
2 vaccines • View Details →
Landing Slots
~38
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Boracay
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:43
☀️ Noon
11:57
🌇 Sunset
18:11
⏱️ Daylight
12h 28m
Wind Speed
24.9 km/h
Moderate wind
Sunshine
9.3 hrs
Direct Sun (Cloud-free)
Humidity
85%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Boracay
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 Boracay
Travel Comfort Index
Real-time tourism conditions
Weather Quality
🌧️ Variable
Tourist Crowds
🔴 Very Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Stable conditions. Low risk of headaches.
Mild discomfort possible for arthritic conditions.
Moderate fish activity expected.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Moderate seismic activity. Occasional tremors possible.
Typhoon Risk
Year-round risk present
Travel Alert: This region has elevated natural risks. We recommend registering with your embassy and keeping emergency numbers handy.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Boracay on August 21 averages 28.3°C with a 72% precipitation probability. Wedding/Outdoor Event Score: 53/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Boracay Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
August 14
28.4°C • 55% rain
Score
67
August 15
28.4°C • 56% rain
Score
67
August 16
28.4°C • 61% rain
Score
63
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (August 21) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Boracay Worth Visiting on August 21?
Planning a trip to Boracay on August 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 28.3°C with a 72% historical precipitation risk.
🎉 Local Event: The date coincides with Ninoy Aquino Day, which may influence local business hours and event availability.
✈️ Travel Logistics: Approximately 38 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 11 vaccinations are recommended for Philippines, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 29.8°C (hot soup). Wave conditions are generally lake-like with heights around 0.48m.
📊 Historical Extremes: The hottest August 21 recorded in the last 30 years saw temperatures hit 31.2°C in 2024, while the coldest dropped to 24.4°C in 2025.