Marathon, Florida Keys weather in February
Temperature, sea and sunshine in February: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in February
Excellent
Best time to visit: March – May, July, November – December
What is the weather like in Marathon, Florida Keys in February?
In February, Marathon, Florida Keys is warm: daytime highs average 23 °C, and even at night it stays warm at around 21 °C. The sea averages 23.7 °C – pleasant for swimming. The sun shines for around 7 hours a day. Rain is rare: about 4 days bring 30 mm in total. The air is often humid and muggy. It is often windy, with gusts of around 28 km/h. All in all, February is an excellent month for a holiday in Marathon, Florida Keys.
February compared
How the weather changes from January to March. Tap a month to open it.
| JanuaryJan | FebruaryFeb | MarchMar | |
|---|---|---|---|
| Score | 74 | 81 | 88 |
| Day | 22° | 23° | 24° |
| Night | 20° | 21° | 22° |
| Sea | 24° | 24° | 25° |
| Sun | 7 h | 7 h | 8 h |
| Rain days | 6 | 4 | 5 |
More details for February
- Daylight
- 11 h 19 min06:59 – 18:18
- UV index
- 7 · highclear sky, noon (estimate)All months
- Muggy days
- 16 daysdew point 18 °C or moreAll months
- Wind
- 28 km/haverage daily peakAll months
- Cloud cover
- 36 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC−5America/New_York
How the score comes together
- Temperatureweight 35 %67 %
- Seaweight 25 %96 %
- Sunshineweight 20 %70 %
- Few rainy daysweight 20 %99 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in February
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Insect repellent
- Windproof jacket
Marathon, Florida Keys in February: quick answers
Is Marathon, Florida Keys hot in February?
Warm rather than hot: in February, daytime highs in Marathon, Florida Keys average 23 °C and nights cool to about 21 °C.
Can you swim in Marathon, Florida Keys in February?
Yes. In February the sea averages 23.7 °C – pleasant for swimming.
Does it rain much in Marathon, Florida Keys in February?
Rain is rare: about 4 days bring 30 mm in total.
Marathon, Florida Keys month by month
The whole year in Marathon, Florida KeysAll destinations: USAFlorida weather in FebruaryWhere to go in FebruarySea temperature in February
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