Key West weather in June
Temperature, sea and sunshine in June: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in June
Excellent
Best time to visit: March – July, November
What is the weather like in Key West in June?
In June, Key West is hot: daytime highs average 28 °C, and even at night it stays warm at around 27 °C. The sea averages 28.7 °C – lovely and warm for swimming. The sun shines for around 8 hours a day. Rain is frequent, with about 13 rainy days and 107 mm in total. The air is often humid and muggy. All in all, June is an excellent month for a holiday in Key West.
June compared
How the weather changes from May to July. Tap a month to open it.
More details for June
- Daylight
- 13 h 39 min06:38 – 20:17
- UV index
- 12 · extremeclear sky, noon (estimate)All months
- Muggy days
- 30 daysdew point 18 °C or more
- Wind
- 24 km/haverage daily peak
- Cloud cover
- 60 %on average
- Hot days
- 0 days30 °C or more
- Time zone
- UTC−4America/New_York
How the score comes together
- Temperatureweight 35 %100 %
- Seaweight 25 %100 %
- Sunshineweight 20 %85 %
- Few rainy daysweight 20 %39 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in June
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
Key West in June: quick answers
Is Key West hot in June?
Yes. In June, Key West is hot: daytime highs average 28 °C and nights stay around 27 °C.
Can you swim in Key West in June?
Yes. In June the sea averages 28.7 °C – lovely and warm for swimming.
Does it rain much in Key West in June?
Rain is frequent, with about 13 rainy days and 107 mm in total.
Key West month by month
The whole year in Key WestAll destinations: USAWhere to go in JuneSea temperature in June
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)