30YearWeather
Key West in March
Key West weather in March - United States
😊Warm & Pleasant

Key West Weather in March

Plan your March trip to Key West, United States. Based on 30 years of NASA data, expect temperatures of 24°C (high) to 22°C (low), with 8% rain probability and 8 hours of daily sunshine. The Coastal Waters averages 25°C in March. Great conditions with only 0 rainy days expected.

Avg High
24°C

Hottest around day 31

Avg Low
22°C

Coolest around day 7

Rainy Days
0days

8% avg rain chance

Sunshine
8hrs/day

Spring season

Sea Temperature in March

Coastal Waters(Ocean)

24.8°C

Monthly Average

Water Feel
☀️Warm

Perfect for swimming and water sports

Swim Rating
Excellent for swimming

Based on average sea surface temperature

Body of Water
Coastal Waters

Ocean

Key West coastline

Key West March Weather Calendar

Click any day to see detailed weather information

Currency

USD

$ United States dollar

Language

English

Driving

Right side

Safety

Moderate Safety

GPI: 2.44

Travel Intelligence

Exclusive flight analytics & health data for Key West

Smart Flight Estimator

Airport-to-Airport Logistics

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Add your home location in settings to see airport details.

Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Remote
16/ 100
Traffic Index

Off the beaten path

Peak Daily Arrivals

0

slots per day

Peak

Dec

Low

Jul

Monthly Traffic Distribution

33
Jan
34
Feb
39
Mar
35
Apr
35
May
37
Jun
18
Jul
30
Aug
25
Sep
22
Oct
34
Nov
39
Dec
Traffic Level
Low Season

Key Connections

Miami (MIA)
Atlanta Hartsfield Jackson (ATL)
Charlotte Douglas (CLT)
Chicago O'Hare (ORD)
Washington Ronald Reagan National (DCA)

Health & Safety Advisory

CDC travel health recommendations

No Requirements

No Special Vaccinations Required

Standard travel precautions apply

Source: CDC Travelers' Health

View Complete Health Guide

Is March a Good Time to Visit Key West?

👍Recommended for planning your trip
Short Answer

Ideal beach conditions in Key West during March: 24.8°C turquoise waters, 24°C air, 8% rain. 1.1m calm waves suit families and swimmers alike.

Decision Factors

Peak tourist season

100% of annual peak - expect crowds and peak prices

Ideal temperature range

23.9°C - perfect for sightseeing and outdoor activities

Excellent dry conditions

Only 8% rain probability - ideal for outdoor activities

Pleasant swimming conditions

24.8°C sea temperature

Plenty of sunshine

10.7h of sunshine daily

Good For

  • 🏖️
    Beach lovers

    24.8°C warm seas and 8% rain probability

  • 👨‍👩‍👧‍👦
    Families with children

    Comfortable 23.9°C temperatures and low 8% rain risk

  • 🥾
    Outdoor enthusiasts

    Ideal hiking conditions: 23.9°C, 8% rain chance

  • 📸
    Photographers

    10.7h sunshine, 66% clear skies for golden hour shots

  • 🏛️
    Cultural tourists

    Comfortable conditions for exploring museums and sites

Who Should Avoid

  • 💰
    Budget travelers

    Peak season means premium prices everywhere

  • 👴
    Elderly travelers

    75% humidity creates difficult conditions

930 observations30-year historical data
Confidence: 99%

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Key West in March averages 24°C with 8% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: Key West in March

What are the temperatures in Key West in March?

Daytime highs average 24°C, nights drop to 22°C. Temperatures remain fairly consistent.

How many rainy days in Key West in March?

Expect around 0 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in Key West in March?

Comfortable casual wear with a light jacket for evenings.

Is March peak season in Key West?

This is typically peak season with higher prices. Book 2-3 months ahead.