July in Bayamón averages a daily high of 31.7°C with nights around 24.7°C. Expect roughly 18.3 wet days totalling 189.3mm. 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. 11 years of July data.