Miami Beach weather in December
Temperature, sea and sunshine in December: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in December
Excellent
Best time to visit: July, October – May
What is the weather like in Miami Beach in December?
In December, Miami Beach is warm: daytime highs average 24 °C, and nights cool down to about 20 °C. The sea averages 25.7 °C – pleasant for swimming. Expect around 6 hours of sunshine a day. Rain falls on about 7 days, adding up to 46 mm. The air is often humid and muggy. All in all, December is an excellent month for a holiday in Miami Beach.
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 83 | 81 | 76 |
| Day | 26° | 24° | 23° |
| Night | 22° | 20° | 18° |
| Sea | 27° | 26° | 25° |
| Sun | 6 h | 6 h | 6 h |
| Rain days | 8 | 7 | 7 |
More details for December
- Daylight
- 10 h 33 min06:59 – 17:32
- UV index
- 4 · moderateclear sky, noon (estimate)All months
- Muggy days
- 15 daysdew point 18 °C or more
- Wind
- 22 km/haverage daily peak
- Cloud cover
- 50 %on average
- Hot days
- 0 days30 °C or more
- Time zone
- UTC−5America/New_York
How the score comes together
- Temperatureweight 35 %88 %
- Seaweight 25 %100 %
- Sunshineweight 20 %48 %
- Few rainy daysweight 20 %76 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in December
- Swimwear
- Sunscreen
- Insect repellent
Miami Beach in December: quick answers
Is Miami Beach hot in December?
Warm rather than hot: in December, daytime highs in Miami Beach average 24 °C and nights cool to about 20 °C.
Can you swim in Miami Beach in December?
Yes. In December the sea averages 25.7 °C – pleasant for swimming.
Does it rain much in Miami Beach in December?
Rain falls on about 7 days, adding up to 46 mm.
Miami Beach month by month
The whole year in Miami BeachAll destinations: USAWhere to go in DecemberSea temperature in December
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)