Santo Domingo Weather in December
What's the weather like in Santo Domingo (Distrito Nacional) in December 2025?
The climate in Santo Domingo during December can be summarized as hot, humid and a little damp.
December is in the winter in Santo Domingo and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a muggy 30°C (86°F), whilst at night 20°C (68°F) is normal.
| Daytime temperature | 29.8°C 85.6°F |
|---|---|
| Nightly temperature | 19.8°C 67.6°F |
| Average temperature | 24.8°C 76.6°F |
| Daily sunshine | 7 hrs |
| Avg rainfall | 85 mm 3.3 ins |
| Rainy days | 15 days |
| Sea temperature | 27.4°C 81.4°F |
| Humidity | 81% |
| Windspeed | 10.4kph 7 mph |
On average December is the 4th driest month of the year in Santo Domingo with around 85mm 3.3 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.
On the flip side this corresponds to an average of 7 hours of sunshine per day.
December temperatures in Santo Domingo
December rainfall
December hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Santo Domingo in December 2025.
Other monthly averages
Best places to visit in December
Santo Domingo weather stats
| Hottest month: | July | 32.4°C 90.3°F |
|---|---|---|
| Driest month: | January | 63mm 2.5ins |
| Sunniest month: | February | 8.5hrs |
| Coldest month: | January | 29.4°C 84.9°F |
| Wettest month: | August | 239mm 9.4ins |
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