December 20 is generally a great time to visit Nassau. While there is a slight chance of rain (16%), showers are usually brief. Expect comfortable 25°C weather. As it's peak season for Nassau, we recommend booking your stay well in advance to secure the best rates.
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Essential Travel Info for Nassau
Currency
BSD
$ Bahamian dollar
Language
English
Driving
Left side
Nassau Weather Forecast for December 20
"Mild & Comfortable. Expect average highs of 24.6°C. 16% chance of rain."
What to Wear in Nassau in December
Based on historical data for December 20, Nassau typically experiences temperatures between 21.8°C and 24.6°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 Nassau
Smart Suitcase
- T-Shirt
- Light Clothing
Average High
24.6°C
Daytime Peak
Average Low
21.8°C
Nighttime Low
Feels Like
25.3°C
☀️ Feels accurate
Rain Chance
16%
Avg 0.7mm if it rains
Cloud Cover
53%
Light drizzle
Pressure
1018.5 hPa
Low volatility
Nassau 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 15 for extended outdoor time
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
19°C
Noticeable
Heat Stress
Low
No heat warning
🙂 Best outdoor time:
Any time during daylight hours
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 Bahamas
Flight Traffic
High
89/100 pressure index
Health Advisory
Healthy
Routine only • View Details →
Landing Slots
~78
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Nassau
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:50
☀️ Noon
12:08
🌇 Sunset
17:25
⏱️ Daylight
10h 34m
Wind Speed
30.2 km/h
Fresh breeze
Sunshine
8.6 hrs
Direct Sun (Cloud-free)
Humidity
71%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Nassau
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 Nassau
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
Zero seismic activity detected in 30 years.
Atlantic Hurricane Risk
Season: Jun - Nov
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Nassau on December 20 averages 24.6°C with a 16% precipitation probability. Wedding/Outdoor Event Score: 85/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Nassau Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
December 14
25.1°C • 15% rain
Score
96
December 16
25°C • 14% rain
Score
96
December 17
25°C • 15% rain
Score
96
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (December 20) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Nassau Worth Visiting on December 20?
Planning a trip to Nassau on December 20? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 24.6°C with a 16% historical precipitation risk.
✈️ Travel Logistics: Approximately 78 landing slots available daily during this period, indicating manageable crowd levels.
🌊 Coastal Conditions: Water temperature averages 24.8°C (swimming pool). Wave conditions are generally fun waves with heights around 0.88m.
📊 Historical Extremes: The hottest December 20 recorded in the last 30 years saw temperatures hit 27.7°C in 2018, while the coldest dropped to 19.9°C in 2023.