Marathon, Florida Keys weather in November
Temperature, sea and sunshine in November: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in November
Excellent
Best time to visit: March – May, July, November – December
What is the weather like in Marathon, Florida Keys in November?
In November, Marathon, Florida Keys is warm: daytime highs average 25 °C, and even at night it stays warm at around 23 °C. The sea averages 26.3 °C – lovely and warm for swimming. The sun shines for around 7 hours a day. Rain falls on about 6 days, adding up to 38 mm. The air is often humid and muggy. It is often windy, with gusts of around 29 km/h. All in all, November is an excellent month for a holiday in Marathon, Florida Keys.
November compared
How the weather changes from October to December. Tap a month to open it.
| OctoberOct | NovemberNov | DecemberDec | |
|---|---|---|---|
| Score | 81 | 90 | 83 |
| Day | 27° | 25° | 24° |
| Night | 26° | 23° | 22° |
| Sea | 28° | 26° | 25° |
| Sun | 7 h | 7 h | 7 h |
| Rain days | 13 | 6 | 5 |
More details for November
- Daylight
- 10 h 58 min06:40 – 17:38
- UV index
- 6 · highclear sky, noon (estimate)All months
- Muggy days
- 22 daysdew point 18 °C or moreAll months
- Wind
- 29 km/haverage daily peakAll months
- Cloud cover
- 42 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC−5America/New_York
How the score comes together
- Temperatureweight 35 %100 %
- Seaweight 25 %100 %
- Sunshineweight 20 %63 %
- Few rainy daysweight 20 %85 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in November
- Swimwear
- Sunscreen
- Light, breathable clothes
- Insect repellent
- Windproof jacket
Marathon, Florida Keys in November: quick answers
Is Marathon, Florida Keys hot in November?
Warm rather than hot: in November, daytime highs in Marathon, Florida Keys average 25 °C and nights cool to about 23 °C.
Can you swim in Marathon, Florida Keys in November?
Yes. In November the sea averages 26.3 °C – lovely and warm for swimming.
Does it rain much in Marathon, Florida Keys in November?
Rain falls on about 6 days, adding up to 38 mm.
Marathon, Florida Keys month by month
The whole year in Marathon, Florida KeysAll destinations: USAFlorida weather in NovemberWhere to go in NovemberSea temperature in November
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