Guantánamo Bay weather in March
Temperature, sea and sunshine in March: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in March
Excellent
Best time to visit: November – July
What is the weather like in Guantánamo Bay in March?
In March, Guantánamo Bay is hot: daytime highs average 29 °C, and even at night it stays warm at around 22 °C. The sea averages 26.9 °C – lovely and warm for swimming. The sun shines for around 8 hours a day. Rain is rare: about 3 days bring 16 mm in total. On about 10 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, March is an excellent month for a holiday in Guantánamo Bay.
March compared
How the weather changes from February to April. Tap a month to open it.
| FebruaryFeb | MarchMar | AprilApr | |
|---|---|---|---|
| Score | 97 | 97 | 95 |
| Day | 29° | 29° | 30° |
| Night | 21° | 22° | 23° |
| Sea | 27° | 27° | 27° |
| Sun | 8 h | 8 h | 8 h |
| Rain days | 1 | 3 | 6 |
More details for March
- Daylight
- 12 h 0 min07:10 – 19:10
- UV index
- 10 · very highclear sky, noon (estimate)All months
- Muggy days
- 21 daysdew point 18 °C or moreAll months
- Wind
- 18 km/haverage daily peakAll months
- Cloud cover
- 25 %on averageAll months
- Hot days
- 10 days30 °C or moreAll months
- Time zone
- UTC−4America/New_York
How the score comes together
- Temperatureweight 35 %100 %
- Seaweight 25 %100 %
- Sunshineweight 20 %87 %
- Few rainy daysweight 20 %100 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in March
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
- Insect repellent
Guantánamo Bay in March: quick answers
Is Guantánamo Bay hot in March?
Yes. In March, Guantánamo Bay is hot: daytime highs average 29 °C and nights stay around 22 °C. On about 10 days the thermometer climbs to 30 °C or more.
Can you swim in Guantánamo Bay in March?
Yes. In March the sea averages 26.9 °C – lovely and warm for swimming.
Does it rain much in Guantánamo Bay in March?
Rain is rare: about 3 days bring 16 mm in total.
Guantánamo Bay month by month
The whole year in Guantánamo BayAll destinations: CubaCaribbean weather in MarchWhere to go in MarchSea temperature in March
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