30YearWeather
Key West, November 20
Key West street view during November
Historical Weather Analysis

Key West Weather on November 20 — Best Time to Visit?

Based on 30 years of historical data, we have the answer.

clear-day

25°C

High

23.3°C

Low

13%

Rain

☀️ Feels like 25.9°C (humidity)

clear-day
YES, IT'S PARADISE
Peak Season

November 20 is statistically one of the best days of the year in Key West. With minimal rain risk (13%) and pleasant highs of 25°C, it's ideal for outdoor adventures. Expect a bustling atmosphere in Key West right now—this is when the city truly comes alive with visitors.

Currency

USD

$ United States dollar

Language

English

Driving

Right side

Safety

Moderate Safety

GPI: 2.44

Key West Weather Forecast for November 20

"Mild & Comfortable. Expect average highs of 25°C. 13% chance of rain."

What to Wear in Key West in November

Based on historical data for November 20, Key West typically experiences temperatures between 23.3°C and 25°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (13% rain probability), but checking the forecast before heading out is always wise.

Complete Packing Guide

Weekly breakdown & essential items for Key West

View Guide

Smart Suitcase

  • T-Shirt
  • Light Clothing

Average High

extreme-hot

25°C

Daytime Peak

Average Low

extreme-cold

23.3°C

Nighttime Low

Feels Like

partly-cloudy-day

25.9°C

☀️ Feels accurate

Rain Chance

rain

13%

Avg 0.6mm if it rains

Cloud Cover

cloudy

43%

Light drizzle

Pressure

pressure

1017 hPa

Low volatility

Key West Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

96%Highly Predictable

Based on 10 years of data

Temperature
±1.1°CStable
Precipitation
7-30%Moderate

🎯 This date historically delivers consistent weather 96% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

0.5Low
036811+

Protection Needed

SPF 15 for extended outdoor time

Time to Sunburn

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?

68Good
TemperatureWarm
HumidityMuggy
WindWindy

Dew Point

20.5°C

Humid/Sticky

Heat Stress

Low

No heat warning

🙂 Best outdoor time:
Any time during daylight hours

Marine Conditions

Water Temp
26.7°C
🛁 Tropical Bath
Avg daily surface temperature
Surf Conditions
1.16m
🌊 Fun Waves
Max daily wave height
Advisories

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

06:47

☀️ Noon

12:14

🌇 Sunset

17:40

⏱️ Daylight

10h 52m

Golden Hour
Morning06:47 - 07:20
17:07 - 17:40Evening

Wind Speed

wind

31.1 km/h

Fresh breeze

Sunshine

clear-day

9.1 hrs

Direct Sun (Cloud-free)

Humidity

humidity

76%

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

90/100

Tourist Crowds

🟢 Moderate

50/100

Price Level

💰💰 Moderate

60/100

Health & Wellbeing

Meteo-Health Forecast

100Score
Atmospheric Pressure1017 hPa
Volatility:Low
Migraine RiskLow

Stable conditions. Low risk of headaches.

Joint Pain RiskLow

Weather unlikely to affect joint pain.

Fishing IndexFair

Moderate fish activity expected.

Air Quality Forecast
44AQI
Good
PM2.5 Concentration6.5 µg/m³

Air quality is excellent. Perfect for outdoor activities.

Regional Safety Profile

Stable

Seismic Activity

Zero seismic activity detected in 30 years.

Total events (30y):0
💡 No earthquake preparedness needed. Enjoy your stay!
Moderate

Atlantic Hurricane Risk

Season: Jun - Nov

"According to 30YearWeather's analysis of 30 years of NASA satellite data, Key West on November 20 averages 25°C with a 13% 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

Loading chart...

Hall of Fame

Records from last 10 years

Hottest
2024
27.3°C
Coldest
2016
21.3°C
Rainiest
2024
21.0mm

Better Alternatives Nearby

Consider these dates within ±7 days

💡 Moving your event by a few days could significantly improve weather conditions

Compare Other Cities

Same date (November 20) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is Key West Worth Visiting on November 20?

Planning a trip to Key West on November 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 25°C with a 13% historical precipitation risk.

✈️ Travel Logistics: Approximately 34 landing slots available daily during this period, indicating manageable crowd levels.

🌊 Coastal Conditions: Water temperature averages 26.7°C (tropical bath). Wave conditions are generally fun waves with heights around 1.16m.

📊 Historical Extremes: The hottest November 20 recorded in the last 30 years saw temperatures hit 27.3°C in 2024, while the coldest dropped to 21.3°C in 2016.

Key West Weather FAQ