May in Limón averages a daily high of 30°C with nights around 22.8°C. Expect roughly 19 wet days totalling 90.7mm. Generally workable, with some weather to plan around.
Across the year, the best time to visit Limón is September–October.
Based on PUERTO LIMON, CS (3.4km), 1995–2024. 15 years of May data.