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

Key West Weather in January

Plan your January trip to Key West, United States. Based on 30 years of NASA data, expect temperatures of 22°C (high) to 20°C (low), with 10% rain probability and 8 hours of daily sunshine. The Coastal Waters averages 24°C in January. Great conditions with only 0 rainy days expected.

Avg High
22°C

Hottest around day 1

Avg Low
20°C

Coolest around day 23

Rainy Days
0days

10% avg rain chance

Sunshine
8hrs/day

Winter season

Sea Temperature in January

Coastal Waters(Ocean)

23.7°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 January 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 January a Good Time to Visit Key West?

👍Recommended for planning your trip
Short Answer

January perfect for Key West's beaches - 23.7°C water temperature, 22°C days, minimal 10% rain. Book beachfront early as this is peak coastal season.

Decision Factors

Peak tourist season

85% of annual peak - expect crowds and high prices

Ideal temperature range

22.4°C - perfect for sightseeing and outdoor activities

Excellent dry conditions

Only 10% rain probability - ideal for outdoor activities

Pleasant swimming conditions

23.7°C sea temperature

Plenty of sunshine

8.9h of sunshine daily

Good For

  • 🥾
    Outdoor enthusiasts

    Ideal hiking conditions: 22.4°C, 10% rain chance

  • 📸
    Photographers

    8.9h sunshine, 55% clear skies for golden hour shots

  • 🏛️
    Cultural tourists

    Comfortable conditions for exploring museums and sites

  • 💑
    Honeymoon couples

    Wedding score 93/100 with romantic weather conditions

  • 💼
    Business travelers

    Climate-controlled meetings unaffected by weather

Who Should Avoid

  • 💰
    Budget travelers

    Peak season means premium prices everywhere

  • 👴
    Elderly travelers

    77% 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 January averages 22°C with 10% precipitation probability."

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

Frequently Asked Questions: Key West in January

What are the temperatures in Key West in January?

Daytime highs average 22°C, nights drop to 20°C. Temperatures remain fairly consistent.

How many rainy days in Key West in January?

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

What to wear in Key West in January?

Comfortable casual wear with a light jacket for evenings.

Is January peak season in Key West?

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