November in San Juan averages a daily high of 30.5°C with nights around 23°C. Expect roughly 19.4 wet days totalling 215.7mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit San Juan is November–April.
Based on TOA BAJA LEVITTOWN, PR US (7.4km), 1995–2024. 13 years of November data.