Santo Domingo weather in December
December in Santo Domingo: hot, a little rain, with clean air — one of the best months to visit.
#2 of 12 months in Santo Domingo · #176 of 604 destinations to visit in December · comfort 79/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Santo Domingo climate normals — December
| Daytime high | 28°C / 83°F | 🥵 hot |
|---|---|---|
| Nighttime low | 22°C / 71°F | |
| Feels like (high) | 31°C / 88°F | |
| Rainfall | 34 mm / 1.3 in | 🌦 some rain |
| Rainy days | 10 days | |
| Humidity | 76% | 💦 very humid |
| Dew point | 20°C / 67°F | |
| Sunshine | 10 h/day | |
| Daylight | 11 h | |
| Wind | 13 km/h / 8 mph | |
| Air quality (US AQI) | 34 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Santo Domingo in December — FAQ
- Is December a good time to visit Santo Domingo?
- December in Santo Domingo: hot, a little rain, with clean air — one of the best months to visit. It ranks #2 of 12 months for Santo Domingo on SeasonMap's comfort score (79/100).
- What is the weather like in Santo Domingo in December?
- In December, Santo Domingo averages a daily high of 28.4°C and a low of 21.5°C, with about 34.2 mm of rain over roughly 10 rainy days.
- What is the air quality in Santo Domingo in December?
- Santo Domingo has a mean US Air Quality Index of about 34 in December.