When to go · Key West
Key West in March
Great month. Inside Key West's best window: Dec–Apr (dry, sunny, busiest).
Key facts
- Verdict
- Great
- Temperature
- 27°C (81°F)81°F (27°C) / 21°C (70°F)70°F (21°C)
- average high / low
- Rain days
- 5
- Crowds
- Medium
- United States overall
- Prices
- Medium
- United States overall
Verdict
Inside Key West's best window: Dec–Apr (dry, sunny, busiest).
Is another month better than March?
No other month rates higher than March for Key West in this guide.
Weather in March
- Key WestHighs around 27 °C (81 °F), lows around 21 °C (70 °F), rain on about 5 daysHighs around 81 °F (27 °C), lows around 70 °F (21 °C), rain on about 5 days
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
Mardi Gras (New Orleans) big impact
Feb or Mar (varies) · United States
New Orleans hotels triple in price and sell out.
Spring break big impact
March–April · United States
Students fill Florida, Texas and Mexico beaches; parks busy.
Crowds and prices
- Crowds · United States overall
- Medium
- Prices · United States overall
- Medium
United States overall: Spring break fills Florida beaches and parks; the desert parks come into season.
Compare two months
Weather, crowds and prices for any two months in Key West, side by side.
Verdict
Mar: Great
Jan: Great
Daytime high
Mar: 27 °C (81 °F)81 °F (27 °C)
Jan: 24 °C (75 °F)75 °F (24 °C)
Night low
Mar: 21 °C (70 °F)70 °F (21 °C)
Jan: 19 °C (66 °F)66 °F (19 °C)
Rain days
Mar: 5 (better)
Jan: 6
Crowds
Mar: Medium
Jan: Low
Prices
Mar: Medium
Jan: Low
Festivals listed
Mar: 2
Jan: 0
March: Inside Key West's best window: Dec–Apr (dry, sunny, busiest).
January: Inside Key West's best window: Dec–Apr (dry, sunny, busiest).
Key West: figures are long-term averages from this guide, not a forecast.
What to pack
Nothing unusual for the weather this month.