Last updated: August 23, 2025
In December, the average temperature in Don Juan, Dominican Republic is a pleasant 24°C (76°F). Expect a minimum of 17°C (63°F) and a peak of 32°C (90°F). Be prepared for some rain, as 56 mm (2.2 in) of precipitation may fall over 18 days. With an average humidity of 69%, it’s a month that balances warmth with a hint of moisture.
In December in Don Juan, the average temperature is 24°C (76°F). Maximum temperatures can reach 32°C (90°F), while minimums can drop as low as 17°C (63°F). This pleasant climate makes Don Juan an ideal destination for travelers looking to enjoy moderate weather and outdoor activities.
In Don Juan in December, the precipitation amount is 56 mm (2.2 in) occurring over 18 days.
In Don Juan in December humidity is 69%. With an average temperature of 24°C (76°F), this humidity feels like a warm, sticky embrace that can make outdoor activities feel a bit more exhausting, so travelers should stay hydrated and take frequent breaks in the shade.
In Don Juan in December, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Don Juan.
UV Risk Categories
Weather in Don Juan varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Don Juan, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 23°C (74°F) | 48 mm (1.9 inches) | 65% | very high |
| February Weather | 24°C (75°F) | 65 mm (2.6 inches) | 63% | extreme |
| March Weather | 24°C (75°F) | 74 mm (2.9 inches) | 59% | extreme |
| April Weather | 25°C (77°F) | 97 mm (3.8 inches) | 58% | extreme |
| May Weather | 26°C (78°F) | 116 mm (4.6 inches) | 57% | extreme |
| June Weather | 26°C (80°F) | 100 mm (3.9 inches) | 57% | extreme |
| July Weather | 27°C (80°F) | 133 mm (5.2 inches) | 63% | extreme |
| August Weather | 27°C (80°F) | 160 mm (6.3 inches) | 71% | extreme |
| September Weather | 27°C (80°F) | 123 mm (4.8 inches) | 73% | extreme |
| October Weather | 26°C (79°F) | 132 mm (5.2 inches) | 72% | extreme |
| November Weather | 25°C (77°F) | 123 mm (4.8 inches) | 72% | very high |
| December Weather | 24°C (76°F) | 56 mm (2.2 inches) | 69% | very high |