Santo Domingo weather in May
Temperature, sea and sunshine in May: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in May
Fair
Best time to visit: December – March
What is the weather like in Santo Domingo in May?
In May, Santo Domingo is hot: daytime highs average 29 °C, and even at night it stays warm at around 23 °C. The sea averages 27.9 °C – lovely and warm for swimming. The sun shines for around 8 hours a day. It is the rainy season: rain falls on about 21 days, totalling 111 mm. On about 10 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 Santo Domingo.
May compared
How the weather changes from April to June. Tap a month to open it.
More details for May
- Daylight
- 12 h 59 min06:06 – 19:05
- UV index
- 13 · extremeclear sky, noon (estimate)All months
- Muggy days
- 31 daysdew point 18 °C or moreAll months
- Wind
- 13 km/haverage daily peakAll months
- Cloud cover
- 62 %on averageAll months
- Hot days
- 10 days30 °C or moreAll months
- Time zone
- UTC−4America/Santo_Domingo
How the score comes together
- Temperatureweight 50 %70 %
- Sunshineweight 20 %75 %
- Few rainy daysweight 30 %0 %
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
Santo Domingo in May: quick answers
Is Santo Domingo hot in May?
Yes. In May, Santo Domingo is hot: daytime highs average 29 °C and nights stay around 23 °C. On about 10 days the thermometer climbs to 30 °C or more.
Can you swim in Santo Domingo in May?
Yes. In May the sea averages 27.9 °C – lovely and warm for swimming.
Does it rain much in Santo Domingo in May?
It rains often – on about 21 days, adding up to 111 mm.
Santo Domingo month by month
The whole year in Santo DomingoAll destinations: Dominican RepublicCaribbean weather in MayWhere to go in MaySea temperature in May
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