Marco Island, Florida 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
Good
Best time to visit: March – May, October – November
What is the weather like in Marco Island, Florida in December?
In December, Marco Island, Florida is warm: daytime highs average 24 °C, and nights cool down to about 17 °C. The sea averages 22.2 °C – refreshing for a swim. Expect around 6 hours of sunshine a day. Rain is rare: about 5 days bring 33 mm in total. All in all, December is a good month for a holiday in Marco Island, Florida.
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 91 | 78 | 62 |
| Day | 26° | 24° | 22° |
| Night | 19° | 17° | 15° |
| Sea | 24° | 22° | 20° |
| Sun | 7 h | 6 h | 6 h |
| Rain days | 5 | 5 | 5 |
More details for December
- Daylight
- 10 h 32 min07:06 – 17:38
- UV index
- 4 · moderateclear sky, noon (estimate)All months
- Muggy days
- 12 daysdew point 18 °C or moreAll months
- Wind
- 16 km/haverage daily peakAll months
- Cloud cover
- 45 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC−5America/New_York
How the score comes together
- Temperatureweight 35 %83 %
- Seaweight 25 %74 %
- Sunshineweight 20 %55 %
- Few rainy daysweight 20 %96 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in December
- Swimwear
- Sunscreen
Marco Island, Florida in December: quick answers
Is Marco Island, Florida hot in December?
Warm rather than hot: in December, daytime highs in Marco Island, Florida average 24 °C and nights cool to about 17 °C.
Can you swim in Marco Island, Florida in December?
Yes. In December the sea averages 22.2 °C – refreshing for a swim.
Does it rain much in Marco Island, Florida in December?
Rain is rare: about 5 days bring 33 mm in total.
Marco Island, Florida month by month
The whole year in Marco Island, FloridaAll destinations: USAFlorida weather in DecemberWhere 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). Sources & licences