Santo Domingo weather in May
May in Santo Domingo: sweltering, rainy, with very humid — a great time to visit.
#7 of 12 months in Santo Domingo · #464 of 604 destinations to visit in May · comfort 70/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Santo Domingo climate normals — May
| Daytime high | 30°C / 85°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 23°C / 73°F | |
| Feels like (high) | 34°C / 93°F | |
| Rainfall | 90 mm / 3.6 in | 🌧 rainy |
| Rainy days | 21 days | |
| Humidity | 80% | 💦 very humid |
| Dew point | 22°C / 72°F | |
| Sunshine | 11.3 h/day | |
| Daylight | 13 h | |
| Wind | 13 km/h / 8 mph | |
| Air quality (US AQI) | 51 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Santo Domingo?
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Santo Domingo in May — FAQ
- Is May a good time to visit Santo Domingo?
- May in Santo Domingo: sweltering, rainy, with very humid — a great time to visit. It ranks #7 of 12 months for Santo Domingo on SeasonMap's comfort score (70/100).
- What is the weather like in Santo Domingo in May?
- In May, Santo Domingo averages a daily high of 29.6°C and a low of 22.8°C, with about 90.4 mm of rain over roughly 21.2 rainy days.
- What is the air quality in Santo Domingo in May?
- Santo Domingo has a mean US Air Quality Index of about 51 in May.