City break

Santiago de Cuba weather in May

Temperature, sea and sunshine in May: long-term averages from 30 years of weather data, not a forecast.

48

Holiday weather in May

Fair

Best time to visit: November – March

What is the weather like in Santiago de Cuba in May?

In May, Santiago de Cuba is hot: daytime highs average 31 °C, and even at night it stays warm at around 24 °C. The sea averages 28.4 °C – lovely and warm for swimming. The sun shines for around 8 hours a day. It is the rainy season: rain falls on about 15 days, totalling 102 mm. On about 22 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, May is a so-so month for a holiday in Santiago de Cuba.

May compared

How the weather changes from April to June. Tap a month to open it.

AprilAprMayMayJuneJun
Score674846
Day30°31°31°
Night23°24°25°
Sea28°28°29°
Sun8 h8 h8 h
Rain days81514

More details for May

Daylight
13 h 4 min06:27 – 19:31
UV index
12 · extremeclear sky, noon (estimate)All months
Muggy days
30 daysdew point 18 °C or moreAll months
Wind
13 km/haverage daily peakAll months
Cloud cover
50 %on averageAll months
Hot days
22 days30 °C or moreAll months
Time zone
UTC−4America/Havana

How the score comes together

  • Temperatureweight 50 %54 %
  • Sunshineweight 20 %77 %
  • Few rainy daysweight 30 %19 %

Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.

What to pack in May

  • Swimwear
  • Sunscreen
  • Sunglasses & sun hat
  • Light, breathable clothes
  • Water bottle – drink plenty
  • Insect repellent
  • Rain jacket or umbrella

Santiago de Cuba in May: quick answers

Is Santiago de Cuba hot in May?

Yes. In May, Santiago de Cuba is hot: daytime highs average 31 °C and nights stay around 24 °C. On about 22 days the thermometer climbs to 30 °C or more.

Can you swim in Santiago de Cuba in May?

Yes. In May the sea averages 28.4 °C – lovely and warm for swimming.

Does it rain much in Santiago de Cuba in May?

It rains often – on about 15 days, adding up to 102 mm.

Santiago de Cuba month by month

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