Last updated: August 23, 2025
In December, the average temperature in Santo Domingo, Cuba hovers around 23°C (73°F), with a comfortable fluctuation between a minimum of 11°C (51°F) and a maximum of 32°C (91°F). Expect some light showers, as precipitation amounts to approximately 20 mm (0.8 in) over about 3 days. With an average humidity of 81%, the atmosphere tends to be quite tropical, so be prepared for that refreshing touch of moisture!
In December in Santo Domingo, the average temperature is 23°C (73°F). Maximums can reach 32°C (91°F) and minimums can be as low as 11°C (51°F). This pleasant climate makes Santo Domingo an ideal destination for travelers seeking a comfortable and enjoyable getaway.
In Santo Domingo in December, the precipitation amount is 20 mm (0.8 in) accumulated over a period of 3 days.
In Santo Domingo in December, humidity is 81%. With an average temperature of 23°C (73°F), this humidity feels like a heavy blanket wrapping around you, making every step feel more laborious while traveling and causing you to constantly seek out shade or a cool breeze for relief.
In Santo Domingo in December, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Santo Domingo.
UV Risk Categories
Weather in Santo Domingo varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Santo Domingo, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 22°C (72°F) | 28 mm (1.1 inches) | 79% | high |
| February Weather | 23°C (75°F) | 14 mm (0.6 inches) | 77% | very high |
| March Weather | 24°C (75°F) | 13 mm (0.5 inches) | 71% | extreme |
| April Weather | 26°C (79°F) | 49 mm (1.9 inches) | 70% | extreme |
| May Weather | 26°C (79°F) | 151 mm (6.0 inches) | 72% | extreme |
| June Weather | 27°C (81°F) | 125 mm (4.9 inches) | 73% | extreme |
| July Weather | 28°C (82°F) | 111 mm (4.4 inches) | 75% | extreme |
| August Weather | 28°C (82°F) | 103 mm (4.1 inches) | 77% | extreme |
| September Weather | 27°C (81°F) | 171 mm (6.7 inches) | 78% | extreme |
| October Weather | 26°C (79°F) | 122 mm (4.8 inches) | 80% | very high |
| November Weather | 24°C (76°F) | 54 mm (2.1 inches) | 81% | very high |
| December Weather | 23°C (73°F) | 20 mm (0.8 inches) | 81% | high |