Santo Domingo weather in December
Temperature, sea and sunshine in December: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in December
Good
Best time to visit: December – March
What is the weather like in Santo Domingo in December?
In December, Santo Domingo is hot: daytime highs average 28 °C, and even at night it stays warm at around 21 °C. The sea averages 27.6 °C – lovely and warm for swimming. The sun shines for around 7 hours a day. Rain is frequent, with about 12 rainy days and 42 mm in total. The air is often humid and muggy. All in all, December is a good month for a holiday in Santo Domingo.
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 59 | 71 | 74 |
| Day | 28° | 28° | 28° |
| Night | 22° | 21° | 21° |
| Sea | 29° | 28° | 27° |
| Sun | 7 h | 7 h | 7 h |
| Rain days | 15 | 12 | 11 |
More details for December
- Daylight
- 11 h 2 min07:04 – 18:06
- UV index
- 6 · highclear sky, noon (estimate)All months
- Muggy days
- 28 daysdew point 18 °C or moreAll months
- Wind
- 14 km/haverage daily peakAll months
- Cloud cover
- 42 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC−4America/Santo_Domingo
How the score comes together
- Temperatureweight 50 %89 %
- Sunshineweight 20 %65 %
- Few rainy daysweight 30 %44 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in December
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
Santo Domingo in December: quick answers
Is Santo Domingo hot in December?
Yes. In December, Santo Domingo is hot: daytime highs average 28 °C and nights stay around 21 °C.
Can you swim in Santo Domingo in December?
Yes. In December the sea averages 27.6 °C – lovely and warm for swimming.
Does it rain much in Santo Domingo in December?
Rain is frequent, with about 12 rainy days and 42 mm in total.
Santo Domingo month by month
The whole year in Santo DomingoAll destinations: Dominican RepublicCaribbean weather in DecemberWhere to go in DecemberSea temperature in December
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