Last updated: August 23, 2025
In December, the average temperature in Juan Santiago, Dominican Republic is a mild 22°C (72°F). Expect a comfortable range where the minimum can drop to 14°C (57°F), while the maximum may reach up to 30°C (86°F). There’s a light chance of rain, with 20 mm (0.8 in) of precipitation spread over about 5 days. With an average humidity of 69%, it’s a month that balances warmth with refreshing breezes.
In December in Juan Santiago, the average temperature is 22°C (72°F). Maximums can reach 30°C (86°F) and minimums can be as low as 14°C (57°F). This makes it an ideal time for travelers seeking pleasant weather for outdoor activities and exploration.
In Juan Santiago in December, the precipitation amount is 20 mm (0.8 in) over a period of 5 days.
In Juan Santiago in December, humidity is 69%. With an average temperature of 22°C (72°F), this humidity feels like a warm, enveloping blanket, making travel feel sticky and slightly oppressive, yet also invigorating as the air is thick with the scent of blooming flora and vibrant surroundings.
In Juan Santiago 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 Juan Santiago.
UV Risk Categories
Weather in Juan Santiago varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Juan Santiago, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 21°C (71°F) | 16 mm (0.6 inches) | 65% | very high |
| February Weather | 22°C (71°F) | 18 mm (0.7 inches) | 63% | extreme |
| March Weather | 22°C (72°F) | 94 mm (3.7 inches) | 59% | extreme |
| April Weather | 23°C (73°F) | 112 mm (4.4 inches) | 58% | extreme |
| May Weather | 23°C (74°F) | 73 mm (2.9 inches) | 57% | extreme |
| June Weather | 24°C (76°F) | 41 mm (1.6 inches) | 57% | extreme |
| July Weather | 25°C (76°F) | 54 mm (2.1 inches) | 63% | extreme |
| August Weather | 25°C (77°F) | 73 mm (2.9 inches) | 71% | extreme |
| September Weather | 24°C (76°F) | 101 mm (4.0 inches) | 73% | extreme |
| October Weather | 23°C (74°F) | 87 mm (3.4 inches) | 72% | extreme |
| November Weather | 23°C (73°F) | 74 mm (2.9 inches) | 72% | very high |
| December Weather | 22°C (72°F) | 20 mm (0.8 inches) | 69% | very high |