Key Largo, Florida Keys weather in April
Temperature, sea and sunshine in April: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in April
Excellent
Best time to visit: October – May
What is the weather like in Key Largo, Florida Keys in April?
In April, Key Largo, Florida Keys is hot: daytime highs average 27 °C, and even at night it stays warm at around 22 °C. The sea averages 25.8 °C – pleasant for swimming. The sun shines for around 8 hours a day. Rain falls on about 6 days, adding up to 38 mm. The air is often humid and muggy. All in all, April is an excellent month for a holiday in Key Largo, Florida Keys.
April compared
How the weather changes from March to May. Tap a month to open it.
More details for April
- Daylight
- 12 h 43 min07:00 – 19:44
- UV index
- 11 · extremeclear sky, noon (estimate)All months
- Muggy days
- 17 daysdew point 18 °C or moreAll months
- Wind
- 23 km/haverage daily peakAll months
- Cloud cover
- 37 %on averageAll months
- Hot days
- 1 day30 °C or moreAll months
- Time zone
- UTC−4America/New_York
How the score comes together
- Temperatureweight 35 %100 %
- Seaweight 25 %100 %
- Sunshineweight 20 %90 %
- Few rainy daysweight 20 %87 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in April
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
Key Largo, Florida Keys in April: quick answers
Is Key Largo, Florida Keys hot in April?
Yes. In April, Key Largo, Florida Keys is hot: daytime highs average 27 °C and nights stay around 22 °C.
Can you swim in Key Largo, Florida Keys in April?
Yes. In April the sea averages 25.8 °C – pleasant for swimming.
Does it rain much in Key Largo, Florida Keys in April?
Rain falls on about 6 days, adding up to 38 mm.
Key Largo, Florida Keys month by month
The whole year in Key Largo, Florida KeysAll destinations: USAFlorida weather in AprilWhere to go in AprilSea temperature in April
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