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Key Biscayne Weather in March
Key Biscayne, Miami, United States
About Key Biscayne in March
Key Biscayne's barrier island surrounded by open Atlantic water delivers the strongest and most consistent ocean breezes in greater Miami — it's routinely the coolest spot in the metro on hot summer days and the most exposed during tropical storms.
For detailed monthly temperature and rainfall data for Miami in March, see the Miami March weather guide.