April in Guantánamo averages a daily high of 30.8°C with nights around 22.3°C. Expect roughly 3.6 wet days totalling 39.4mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Guantánamo is December–February.
Based on GUANTANAMO BAY NAS, CU (27.9km), 1995–2024. 22 years of April data.