The Pasikuda weather, as in most of Sri Lanka’s beaches, is almost always warm, sunny and clear, but March through October are the best months to visit the East Coast. The water too is warm and clear, and the reef-protected bay keeps the waves calm … great for any time of year. November through February tends to be rainy, with the sea beyond the bay a bit rougher, but even then, this tropical island is never cold at the coast.