March 21 is generally a great time to visit George Town. While there is a slight chance of rain (16%), showers are usually brief. Expect comfortable 28°C weather. As it's peak season for George Town, we recommend booking your stay well in advance to secure the best rates.
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Essential Travel Info for George Town
Currency
KYD
$ Cayman Islands dollar
Language
English
Driving
Left side
George Town Weather Forecast for March 21
"Warm & Sunny. Expect average highs of 27.5°C. 16% chance of rain."
What to Wear in George Town in March
Based on historical data for March 21, George Town typically experiences temperatures between 24.5°C and 27.5°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (16% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for George Town
Smart Suitcase
- T-Shirt
- Light Clothing
Average High
27.5°C
Daytime Peak
Average Low
24.5°C
Nighttime Low
Feels Like
29.8°C
🔥 Feels warmer
Rain Chance
16%
Avg 0.7mm if it rains
Cloud Cover
27%
Light drizzle
Pressure
1015.4 hPa
Low volatility
George Town 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 recommended
06:00 - 10:00
16:00 - 18:00
Type I-II
🔴 17 min to burn
Type III-IV
🟡 26 min to burn
Type V-VI
🟢 43 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
21.8°C
Humid/Sticky
Heat Index
29.8°C
Feels hotter
😐 Best outdoor time:
Morning hours (before 11 AM)
Marine Conditions
Marine Life
No special warnings. Enjoy the swim!
Swim Index
⚠️ Mixed Conditions
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Cayman Islands
Flight Traffic
High
91/100 pressure index
Health Advisory
Required
2 vaccines • View Details →
Landing Slots
~29
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in George Town
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:30
☀️ Noon
12:33
🌇 Sunset
18:37
⏱️ Daylight
12h 7m
Wind Speed
26.1 km/h
Moderate wind
Sunshine
10.9 hrs
Direct Sun (Cloud-free)
Humidity
71%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for George Town
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 George Town
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🟢 Moderate
Price Level
💰💰 Moderate
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
Moderate seismic activity. Occasional tremors possible.
Atlantic Hurricane Risk
Season: Jun - Nov
"According to 30YearWeather's analysis of 30 years of NASA satellite data, George Town on March 21 averages 27.5°C with a 16% precipitation probability. Wedding/Outdoor Event Score: 94/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
George Town Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
March 19
27.6°C • 13% rain
Score
99
March 20
27.6°C • 14% rain
Score
99
March 24
27.5°C • 13% rain
Score
99
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (March 21) in other destinations
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📍 Is George Town Worth Visiting on March 21?
Planning a trip to George Town on March 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 27.5°C with a 16% historical precipitation risk.
✈️ Travel Logistics: Approximately 29 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 7 vaccinations are recommended for Cayman Islands, including COVID-19.
🌊 Coastal Conditions: Water temperature averages 27.6°C (tropical bath). Wave conditions are generally surfers only with heights around 1.3m.
📊 Historical Extremes: The hottest March 21 recorded in the last 30 years saw temperatures hit 29.8°C in 2024, while the coldest dropped to 23.4°C in 2019.