Sri Lanka weather
Our guide to the weather in Sri Lanka during May
Sri Lanka is a stunningly diverse destination with something to offer travelers of all interests. May is a great time to visit, with warm temperatures and plenty of outdoor activities to enjoy. We've looked at the most up-to-date weather data for Sri Lanka, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Sri Lanka weather in May.
How hot is it in Sri Lanka during May?
The temperature is extremely stable in May with average highs of 31℃ and lows just 4℃ lower at 27℃. Of course, the high humidity will make it feel even hotter. The UV index will be high at this time of year, so protection against skin and eye damage is needed. Try to limit exposure between 10am and 4pm. Apply broad spectrum SPF 30+ sunscreen every few hours, even if it's cloudy, or more frequently after sweating or swimming, and wear UV-blocking sunglasses too, and bear in mind that bright surfaces, such as sand and water increase UV exposure.
Does it rain in Sri Lanka during May?
On average, there will be 18 rainy days during the month, amounting to 642.5mm in total. That's a lot of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. There's a good chance that you'll catch a thunderstorm during your trip.
Is it windy in Sri Lanka during May?
You're unlikely to experience any strong winds. Expect a gentle breeze that increases to moderate at times during May. The high humidity and warm temperature will make the breeze feel warm, so any cooling effect will be limted.
How warm is the sea in Sri Lanka during May?
The water around Sri Lanka reaches a very pleasant 29℃ during May. This is very warm, and will feel bath-like. People who normally feel the cold will find this temperature perfectly acceptable. The hot air temperature and relatively high humidity will mean that you will feel comfortably warm when coming out of the water.
Weather in Sri Lanka
Our month-by-month guide to the weather and climate in Sri Lanka
Sri Lanka weather in
JanuarySri Lanka weather in
FebruarySri Lanka weather in
MarchSri Lanka weather in
AprilSri Lanka weather in
MaySri Lanka weather in
JuneSri Lanka weather in
JulySri Lanka weather in
AugustSri Lanka weather in
SeptemberSri Lanka weather in
OctoberSri Lanka weather in
NovemberSri Lanka weather in
December