Shoulder season. May is a solid shoulder-season choice for Sri Lanka. In May, Sri Lanka averages 28°C, with about 10 hours of sunshine a day and roughly 3.2 rainy days a week. Here's what those numbers mean for a trip.
That's about 1.4°C warmer than Sri Lanka's yearly average — May sits among its hotter months.
Pack layers — warm days, cooler evenings — plus light rain cover.
May is a solid shoulder-season choice for Sri Lanka. It averages 28°C with 10 hours of sun a day and about 3.2 rainy days a week.
Sri Lanka averages 28°C in May, based on roughly twenty years of climate records.
Expect about 3.2 rainy days a week in May, with 10 hours of sunshine a day on average.