November 18 is statistically one of the best days of the year in Key West. With minimal rain risk (11%) and pleasant highs of 25°C, it's ideal for outdoor adventures. As it's peak season for Key West, we recommend booking your stay well in advance to secure the best rates.
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Essential Travel Info for Key West
Currency
USD
$ United States dollar
Language
English
Driving
Right side
Safety
Moderate Safety
GPI: 2.44
Key West Weather Forecast for November 18
"Warm & Sunny. Expect average highs of 25.1°C. 11% chance of rain."
What to Wear in Key West in November
Based on historical data for November 18, Key West typically experiences temperatures between 23.4°C and 25.1°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (11% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Key West
Smart Suitcase
- T-Shirt
- Light Clothing
Average High
25.1°C
Daytime Peak
Average Low
23.4°C
Nighttime Low
Feels Like
26°C
☀️ Feels accurate
Rain Chance
11%
Avg 0.5mm if it rains
Cloud Cover
44%
Light drizzle
Pressure
1016.6 hPa
Low volatility
Key West 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 15 for extended outdoor time
Type I-II
🔴 160 min to burn
Type III-IV
🟡 240 min to burn
Type V-VI
🟢 400 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
20.3°C
Humid/Sticky
Heat Stress
Low
No heat warning
😐 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 United States
Flight Traffic
High
87/100 pressure index
Health Advisory
Healthy
Routine only • View Details →
Landing Slots
~34
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Key West
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:46
☀️ Noon
12:13
🌇 Sunset
17:40
⏱️ Daylight
10h 54m
Wind Speed
31.4 km/h
Fresh breeze
Sunshine
9.1 hrs
Direct Sun (Cloud-free)
Humidity
75%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Key West
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 Key West
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
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, Key West on November 18 averages 25.1°C with a 11% precipitation probability. Wedding/Outdoor Event Score: 90/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Key West Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
November 24
24.8°C • 10% rain
Score
96
November 25
24.8°C • 11% rain
Score
96
November 12
25.7°C • 8% rain
Score
95
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (November 18) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Key West Worth Visiting on November 18?
Planning a trip to Key West on November 18? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 25.1°C with a 11% historical precipitation risk.
✈️ Travel Logistics: Approximately 34 landing slots available daily during this period, indicating manageable crowd levels.
🌊 Coastal Conditions: Water temperature averages 26.8°C (tropical bath). Wave conditions are generally fun waves with heights around 1.1m.
📊 Historical Extremes: The hottest November 18 recorded in the last 30 years saw temperatures hit 26.6°C in 2018, while the coldest dropped to 21.1°C in 2019.