December in Ponce averages a daily high of 31.5°C with nights around 19.7°C. Expect roughly 7.7 wet days totalling 41.8mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Ponce is December–April.
Based on PONCE 4 E, PR US (10.6km), 1995–2024. 20 years of December data.