August in Caguas averages a daily high of 32.3°C with nights around 23.3°C. Expect roughly 14.8 wet days totalling 211.5mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Caguas is December–April.
Based on TRUJILLO ALTO 2 SSW, PR US (11km), 1995–2024. 27 years of August data.