When to go · Key Biscayne
Key Biscayne in December
Great month. Inside Key Biscayne's best window: Nov–Apr.
Key facts
- Verdict
- Great
- Temperature
- 25°C (77°F)77°F (25°C) / 17°C (63°F)63°F (17°C)
- average high / low
- Rain days
- 7
- Crowds
- High
- United States overall
- Prices
- High
- United States overall
Verdict
Inside Key Biscayne's best window: Nov–Apr.
Is another month better than December?
No other month rates higher than December for Key Biscayne in this guide.
Weather in December
- Key BiscayneHighs around 25 °C (77 °F), lows around 17 °C (63 °F), rain on about 7 daysHighs around 77 °F (25 °C), lows around 63 °F (17 °C), rain on about 7 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.
Christmas Day big impact
25 Dec · United States
Most businesses closed; flights full from about 20 Dec to 2 Jan.
Crowds and prices
- Crowds · United States overall
- High
- Prices · United States overall
- High
United States overall: Holiday lights in New York, ski season opens; flights and hotels peak around Christmas and New Year.
High-price month: see what to book ahead.
Compare two months
Weather, crowds and prices for any two months in Key Biscayne, side by side.
Verdict
Dec: Great
Jan: Great
Daytime high
Dec: 25 °C (77 °F)77 °F (25 °C)
Jan: 24 °C (75 °F)75 °F (24 °C)
Night low
Dec: 17 °C (63 °F)63 °F (17 °C)
Jan: 16 °C (61 °F)61 °F (16 °C)
Rain days
Dec: 7
Jan: 6 (better)
Crowds
Dec: High
Jan: Low
Prices
Dec: High
Jan: Low
Festivals listed
Dec: 1
Jan: 0
December: Inside Key Biscayne's best window: Nov–Apr.
January: Inside Key Biscayne's best window: Nov–Apr.
Key Biscayne: figures are long-term averages from this guide, not a forecast.
What to pack
Nothing unusual for the weather this month.