Guantánamo Bay 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: November – July
What is the weather like in Guantánamo Bay in June?
In June, Guantánamo Bay is hot: daytime highs average 32 °C, and even at night it stays warm at around 25 °C. The sea averages 28.9 °C – lovely and warm for swimming. The sun shines for around 8 hours a day. Rain is frequent, with about 11 rainy days and 57 mm in total. On about 25 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, June is an excellent month for a holiday in Guantánamo Bay.
June compared
How the weather changes from May to July. Tap a month to open it.
More details for June
- Daylight
- 13 h 20 min06:21 – 19:40
- UV index
- 12 · extremeclear sky, noon (estimate)All months
- Muggy days
- 30 daysdew point 18 °C or moreAll months
- Wind
- 15 km/haverage daily peakAll months
- Cloud cover
- 61 %on averageAll months
- Hot days
- 25 days30 °C or moreAll months
- Time zone
- UTC−4America/New_York
How the score comes together
- Temperatureweight 35 %93 %
- Seaweight 25 %100 %
- Sunshineweight 20 %88 %
- Few rainy daysweight 20 %53 %
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
- Water bottle – drink plenty
- Insect repellent
- Rain jacket or umbrella
Guantánamo Bay in June: quick answers
Is Guantánamo Bay hot in June?
Yes. In June, Guantánamo Bay is hot: daytime highs average 32 °C and nights stay around 25 °C. On about 25 days the thermometer climbs to 30 °C or more.
Can you swim in Guantánamo Bay in June?
Yes. In June the sea averages 28.9 °C – lovely and warm for swimming.
Does it rain much in Guantánamo Bay in June?
Rain is frequent, with about 11 rainy days and 57 mm in total.
Guantánamo Bay month by month
The whole year in Guantánamo BayAll destinations: CubaCaribbean weather in JuneWhere 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). Sources & licences