December in Santiago de los Caballeros averages a daily high of 30.4°C with nights around 20.1°C. Expect roughly 18.6 wet days totalling 160.8mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Santiago de los Caballeros is March–April.
Based on PUERTO PLATA, DR (36.4km), 1995–2024. 18 years of December data.