When to go · Key Biscayne
Key Biscayne, month by month
The best months for Key Biscayne: Jan, Feb, Mar, Apr, Nov, Dec. Months to avoid: Jun, Jul, Aug, Sep.
Month by month
- JanuaryGreatInside Key Biscayne's best window: Nov–Apr.24 °C (75 °F) / 16 °C (61 °F), 6 rain days75 °F (24 °C) / 61 °F (16 °C), 6 rain daysCrowds: Low
- FebruaryGreatInside Key Biscayne's best window: Nov–Apr.25 °C (77 °F) / 17 °C (63 °F), 5 rain days77 °F (25 °C) / 63 °F (17 °C), 5 rain daysCrowds: Low · 1 festival or holiday
- MarchGreatInside Key Biscayne's best window: Nov–Apr.27 °C (81 °F) / 19 °C (66 °F), 6 rain days81 °F (27 °C) / 66 °F (19 °C), 6 rain daysCrowds: Medium · 2 festivals or holidays
- AprilGreatInside Key Biscayne's best window: Nov–Apr.28 °C (82 °F) / 21 °C (70 °F), 6 rain days82 °F (28 °C) / 70 °F (21 °C), 6 rain daysCrowds: Medium · 1 festival or holiday
- MayGoodOutside the best window (Nov–Apr). Across United States: Warm and green; Memorial Day (last Monday) opens the summer season; timed-entry systems start at some parks.30 °C (86 °F) / 23 °C (73 °F), 10 rain days86 °F (30 °C) / 73 °F (23 °C), 10 rain daysCrowds: Medium · 1 festival or holiday
- JuneAvoidListed as a month to avoid: Jun–Sep (heat, humidity, hurricane season).32 °C (90 °F) / 25 °C (77 °F), 15 rain days90 °F (32 °C) / 77 °F (25 °C), 15 rain daysCrowds: High
- JulyAvoidListed as a month to avoid: Jun–Sep (heat, humidity, hurricane season).32 °C (90 °F) / 26 °C (79 °F), 15 rain days90 °F (32 °C) / 79 °F (26 °C), 15 rain daysCrowds: High · 1 festival or holiday
- AugustAvoidListed as a month to avoid: Jun–Sep (heat, humidity, hurricane season).32 °C (90 °F) / 26 °C (79 °F), 16 rain days90 °F (32 °C) / 79 °F (26 °C), 16 rain daysCrowds: High
- SeptemberAvoidListed as a month to avoid: Jun–Sep (heat, humidity, hurricane season).31 °C (88 °F) / 25 °C (77 °F), 16 rain days88 °F (31 °C) / 77 °F (25 °C), 16 rain daysCrowds: Medium · 1 festival or holiday
- OctoberGoodOutside the best window (Nov–Apr). Across United States: Best all-round month: New England foliage, desert parks, cooler cities. High roads start closing late in the month.29 °C (84 °F) / 23 °C (73 °F), 12 rain days84 °F (29 °C) / 73 °F (23 °C), 12 rain daysCrowds: Medium
- NovemberGreatInside Key Biscayne's best window: Nov–Apr.27 °C (81 °F) / 20 °C (68 °F), 8 rain days81 °F (27 °C) / 68 °F (20 °C), 8 rain daysCrowds: Medium · 1 festival or holiday
- DecemberGreatInside Key Biscayne's best window: Nov–Apr.25 °C (77 °F) / 17 °C (63 °F), 7 rain days77 °F (25 °C) / 63 °F (17 °C), 7 rain daysCrowds: High · 1 festival or holiday
Compare two months
Weather, crowds and prices for any two months in Key Biscayne, side by side.
Verdict
Jan: Great
Feb: Great
Daytime high
Jan: 24 °C (75 °F)75 °F (24 °C)
Feb: 25 °C (77 °F)77 °F (25 °C)
Night low
Jan: 16 °C (61 °F)61 °F (16 °C)
Feb: 17 °C (63 °F)63 °F (17 °C)
Rain days
Jan: 6
Feb: 5 (better)
Crowds
Jan: Low
Feb: Low
Prices
Jan: Low
Feb: Medium
Festivals listed
Jan: 0
Feb: 1
January: Inside Key Biscayne's best window: Nov–Apr.
February: Inside Key Biscayne's best window: Nov–Apr.
Key Biscayne: figures are long-term averages from this guide, not a forecast.