weather in dominican republic in december
Weather in Dominican Republic in December. The average maximum daytime temperature in Dominican Republic in December is a warm 29Â°C (84Â°F) with high heat & humidity. There are usually 7 hours of bright sunshine each day, which represents 67% of the 11 hours of daylight. The average sea temperature in and around Dominican Republic in December is 27Â°C (81Â°F). Expect 89mm (3.5 inches) of rainfall across the whole of December with 17 days with some rain falling. Maximum UV levels will be high (7 UV index) at midday when the skies are clear.