May 20 is generally a great time to visit Siargao. While there is a slight chance of rain (36%), showers are usually brief. Expect comfortable 28°C weather. As it's peak season for Siargao, we recommend booking your stay well in advance to secure the best rates.
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Essential Travel Info for Siargao
Currency
PHP
₱ Philippine peso
Language
English
+1 more
Driving
Right side
Safety
Moderate Safety
GPI: 2.339
Siargao Weather Forecast for May 20
"Warm & Sunny. Expect average highs of 28.2°C. 36% chance of rain."
What to Wear in Siargao in May
Based on historical data for May 20, Siargao typically experiences temperatures between 25°C and 28.2°C. We recommend packing t-shirt, light clothing, umbrella to stay comfortable. With a 36% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Siargao
Smart Suitcase
- T-Shirt
- Light Clothing
- Umbrella
Average High
28.2°C
Daytime Peak
Average Low
25°C
Nighttime Low
Feels Like
32.9°C
🔥 Feels warmer
Rain Chance
36%
Avg 1.9mm if it rains
Cloud Cover
65%
Light drizzle
Pressure
1009.5 hPa
Low volatility
Siargao Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
✓ Weather is generally predictable, but pack for minor variations. A light backup layer is recommended.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30+ required, seek shade
05:00 - 09:30
16:00 - 17:00
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
24.8°C
Humid/Sticky
Heat Index
32.9°C
Feels hotter
😐 Best outdoor time:
Morning hours (before 11 AM)
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Philippines
Flight Traffic
High
100/100 pressure index
Health Advisory
Required
2 vaccines • View Details →
Landing Slots
~17
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Siargao
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:15
☀️ Noon
11:33
🌇 Sunset
17:51
⏱️ Daylight
12h 35m
Wind Speed
16.3 km/h
Gentle breeze
Sunshine
10.9 hrs
Direct Sun (Cloud-free)
Humidity
82%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Siargao
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Siargao
Travel Comfort Index
Real-time tourism conditions
Weather Quality
⛅ Good
Tourist Crowds
🟡 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
Very high seismic risk. Ring of Fire territory.
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, Siargao on May 20 averages 28.2°C with a 36% precipitation probability. Wedding/Outdoor Event Score: 87/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Siargao Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Compare Other Cities
Same date (May 20) in other destinations
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📍 Is Siargao Worth Visiting on May 20?
Planning a trip to Siargao on May 20? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 28.2°C with a 36% historical precipitation risk.
✈️ Travel Logistics: Approximately 17 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 11 vaccinations are recommended for Philippines, including COVID-19.
📊 Historical Extremes: The hottest May 20 recorded in the last 30 years saw temperatures hit 30.5°C in 2019, while the coldest dropped to 23.3°C in 2025.