30YearWeather
Key West, March 29
Key West street view during March
Historical Weather Analysis

Key West Weather on March 29 — Best Time to Visit?

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

clear-day

24.6°C

High

23.1°C

Low

4%

Rain

☀️ Feels like 25.4°C (humidity)

clear-day
YES, IT'S PARADISE
Peak Season

March 29 is statistically one of the best days of the year in Key West. With minimal rain risk (4%) 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 March 29

"Mild & Comfortable. Expect average highs of 24.6°C. 4% chance of rain."

What to Wear in Key West in March

Based on historical data for March 29, Key West typically experiences temperatures between 23.1°C and 24.6°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (4% 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

24.6°C

Daytime Peak

Average Low

extreme-cold

23.1°C

Nighttime Low

Feels Like

partly-cloudy-day

25.4°C

☀️ Feels accurate

Rain Chance

rain

4%

Avg 0.1mm if it rains

Cloud Cover

cloudy

31%

Overcast

Pressure

pressure

1017.3 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
±0.8°CStable
Precipitation
2-20%Moderate

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

Sun Exposure

UV Index & Safety Guide

4.3Moderate
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

🔴 19 min to burn

Type III-IV

🟡 29 min to burn

Type V-VI

🟢 48 min to burn

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

Outdoor Comfort

How pleasant is it outside?

71Good
TemperatureWarm
HumidityMuggy
WindWindy

Dew Point

19.9°C

Noticeable

Heat Stress

Low

No heat warning

🙂 Best outdoor time:
Any time during daylight hours

Marine Conditions

Water Temp
25.3°C
🛁 Tropical Bath
Avg daily surface temperature
Surf Conditions
1.35m
🌊 Surfers Only
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

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

06:23

☀️ Noon

12:33

🌇 Sunset

18:42

⏱️ Daylight

12h 19m

Golden Hour
Morning06:23 - 06:53
18:12 - 18:42Evening

Wind Speed

wind

29.9 km/h

Fresh breeze

Sunshine

clear-day

11.0 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

97/100

Tourist Crowds

🟢 Moderate

50/100

Price Level

💰💰 Moderate

60/100

Health & Wellbeing

Meteo-Health Forecast

100Score
Atmospheric Pressure1017.3 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 29 averages 24.6°C with a 4% 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
26.1°C
Coldest
2025
20.8°C
Rainiest
2025
8.6mm

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 29) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is Key West Worth Visiting on March 29?

Planning a trip to Key West on March 29? 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 4% historical precipitation risk.

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

🌊 Coastal Conditions: Water temperature averages 25.3°C (tropical bath). Wave conditions are generally surfers only with heights around 1.35m.

📊 Historical Extremes: The hottest March 29 recorded in the last 30 years saw temperatures hit 26.1°C in 2023, while the coldest dropped to 20.8°C in 2025.

Key West Weather FAQ