30YearWeather
Key West, March 13
Key West street view during March
Historical Weather Analysis

Key West Weather on March 13 — Best Time to Visit?

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

clear-day

23.7°C

High

21.9°C

Low

10%

Rain

☀️ Feels like 24.3°C (humidity)

clear-day
YES, IT'S PARADISE
Peak Season

March 13 is statistically one of the best days of the year in Key West. With minimal rain risk (10%) and pleasant highs of 24°C, it's ideal for outdoor adventures. Key West is currently in its most popular travel window, meaning vibrant crowds and premium pricing.

Currency

USD

$ United States dollar

Language

English

Driving

Right side

Safety

Moderate Safety

GPI: 2.44

Key West Weather Forecast for March 13

"Mild & Comfortable. Expect average highs of 23.7°C. 10% chance of rain."

What to Wear in Key West in March

Based on historical data for March 13, Key West typically experiences temperatures between 21.9°C and 23.7°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (10% 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

23.7°C

Daytime Peak

Average Low

extreme-cold

21.9°C

Nighttime Low

Feels Like

partly-cloudy-day

24.3°C

☀️ Feels accurate

Rain Chance

rain

10%

Avg 0.3mm if it rains

Cloud Cover

cloudy

38%

Overcast

Pressure

pressure

1018.1 hPa

Low volatility

Key West Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

100%Highly Predictable

Based on 10 years of data

Temperature
±1.7°CStable
Precipitation
5-15%Predictable

🎯 This date historically delivers consistent weather 100% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

4Moderate
036811+

Protection Needed

SPF 30 recommended

Safe Sun Windows
Morning

06:00 - 10:00

Afternoon

16:00 - 18:00

Time to Sunburn

Type I-II

🔴 20 min to burn

Type III-IV

🟡 30 min to burn

Type V-VI

🟢 50 min to burn

UV estimate based on latitude, season & cloud cover. Actual UV may vary.

Outdoor Comfort

How pleasant is it outside?

74Good
TemperatureWarm
HumidityMuggy
WindWindy

Dew Point

19°C

Noticeable

Heat Stress

Low

No heat warning

🙂 Best outdoor time:
Any time during daylight hours

Marine Conditions

Water Temp
24.9°C
🏊 Swimming Pool
Avg daily surface temperature
Surf Conditions
0.96m
🌊 Fun Waves
Max daily wave height
Advisories

Marine Life

No special warnings. Enjoy the swim!

Swim Index

✅ Excellent Swimming Conditions

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in United States

Flight Traffic

High

100/100 pressure index

Health Advisory

Healthy

Routine only • View Details →

Landing Slots

~39

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Key West

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

06:39

☀️ Noon

12:37

🌇 Sunset

18:36

⏱️ Daylight

11h 56m

Golden Hour
Morning06:39 - 07:09
18:06 - 18:36Evening

Wind Speed

wind

29.6 km/h

Fresh breeze

Sunshine

clear-day

10.7 hrs

Direct Sun (Cloud-free)

Humidity

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

92/100

Tourist Crowds

🟢 Moderate

50/100

Price Level

💰💰 Moderate

60/100

Health & Wellbeing

Meteo-Health Forecast

100Score
Atmospheric Pressure1018.1 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 March 13 averages 23.7°C with a 10% precipitation probability. Wedding/Outdoor Event Score: 95/100."

— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology

Key West Weather History (2010–2024)

Temperature History

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Hall of Fame

Records from last 10 years

Hottest
2023
25.9°C
Coldest
2018
16.8°C
Rainiest
2023
2.2mm

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 (March 13) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is Key West Worth Visiting on March 13?

Planning a trip to Key West on March 13? 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 23.7°C with a 10% historical precipitation risk.

✈️ Travel Logistics: Approximately 39 landing slots available daily during this period, indicating manageable crowd levels.

🌊 Coastal Conditions: Water temperature averages 24.9°C (swimming pool). Wave conditions are generally fun waves with heights around 0.96m.

📊 Historical Extremes: The hottest March 13 recorded in the last 30 years saw temperatures hit 25.9°C in 2023, while the coldest dropped to 16.8°C in 2018.

Key West Weather FAQ