May 20 is generally a great time to visit Charlotte Amalie. While there is a slight chance of rain (20%), showers are usually brief. Expect comfortable 27°C weather. As it's peak season for Charlotte Amalie, we recommend booking your stay well in advance to secure the best rates.
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Essential Travel Info for Charlotte Amalie
Charlotte Amalie Weather Forecast for May 20
"Warm & Sunny. Expect average highs of 27.2°C. 20% chance of rain."
What to Wear in Charlotte Amalie in May
Based on historical data for May 20, Charlotte Amalie typically experiences temperatures between 25.8°C and 27.2°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (20% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Charlotte Amalie
Smart Suitcase
- T-Shirt
- Light Clothing
Average High
27.2°C
Daytime Peak
Average Low
25.8°C
Nighttime Low
Feels Like
30.2°C
🔥 Feels warmer
Rain Chance
20%
Avg 1.2mm if it rains
Cloud Cover
59%
Light drizzle
Pressure
1015.6 hPa
Low volatility
Charlotte Amalie Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 100% 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 - 18:00
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
23.4°C
Humid/Sticky
Heat Index
30.2°C
Feels hotter
😐 Best outdoor time:
Morning hours (before 11 AM)
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 US Virgin Islands
Flight Traffic
High
100/100 pressure index
Health Advisory
Healthy
Routine only • View Details →
Landing Slots
~51
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Charlotte Amalie
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:46
☀️ Noon
12:17
🌇 Sunset
18:49
⏱️ Daylight
13h 2m
Wind Speed
27.1 km/h
Moderate wind
Sunshine
11.6 hrs
Direct Sun (Cloud-free)
Humidity
80%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Charlotte Amalie
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Charlotte Amalie
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.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Active seismic zone. Multiple earthquakes per year.
Atlantic Hurricane Risk
Season: Jun - Nov
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, Charlotte Amalie on May 20 averages 27.2°C with a 20% precipitation probability. Wedding/Outdoor Event Score: 89/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Charlotte Amalie 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
27°C • 18% rain
Score
90
May 17
27°C • 17% rain
Score
90
May 18
27.1°C • 18% rain
Score
90
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (May 20) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Charlotte Amalie Worth Visiting on May 20?
Planning a trip to Charlotte Amalie 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 27.2°C with a 20% historical precipitation risk.
✈️ Travel Logistics: Approximately 51 landing slots available daily during this period, indicating manageable crowd levels.
🌊 Coastal Conditions: Water temperature averages 28.6°C (tropical bath). Wave conditions are generally fun waves with heights around 0.93m.
📊 Historical Extremes: The hottest May 20 recorded in the last 30 years saw temperatures hit 29.2°C in 2024, while the coldest dropped to 25.2°C in 2018.