August in Bayamón averages a daily high of 32.1°C with nights around 25°C. Expect roughly 19.6 wet days totalling 206.6mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Bayamón is November–April.
Based on TOA BAJA LEVITTOWN, PR US (4.3km), 1995–2024. 13 years of August data.