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Is May a Good Month to Visit Sri Lanka

Last updated
Petteri on a motorbike
Written by Petteri Palo, a travel enthusiast who has travelled more than 30 countries. All information and tips are based from actual travels.
Petteri standing on a mountain viewpoint in Ella during May, showing the mixed Hill Country conditions travellers consider when asking if May is a good month to visit Sri Lanka.

May is one of the more unpredictable months to visit Sri Lanka. The southwest monsoon begins to settle in, bringing higher humidity, cloudier skies, and more frequent showers along the south and west coasts. The Cultural Triangle stays hot and mostly dry, while the Hill Country remains pleasant, though afternoon rain becomes more common. Travel is still possible, but conditions vary noticeably depending on where you go.

If you’re visiting in May, it’s best to expect mixed weather, warm temperatures, and occasional disruptions from early monsoon patterns.

Seasonal Highlights in May

  • Vibrant Landscapes
    The combination of heat and early monsoon moisture keeps the island green, especially in the Hill Country and Cultural Triangle.
  • Good Wildlife Viewing
    Udawalawe and Wilpattu remain strong for wildlife sightings, and the landscapes look fresh after early rains.
  • Ideal for East‑Coast‑Focused Itineraries
    If your trip is built around beaches and surf, May is one of the best months to head east.

Weather Overview

May marks the start of the southwest monsoon. The south and west coasts see more cloud cover, rougher seas, and frequent showers, especially in the afternoons. Swimming conditions become less reliable, and beach days are hit‑or‑miss.

The Hill Country remains one of the best regions for May. Mornings are cool and clear, while afternoons often bring short bursts of rain. The scenery is lush, and temperatures are comfortable for hiking. The Cultural Triangle stays hot and mostly dry, though humidity rises and early‑morning sightseeing is more comfortable than midday visits.

The east coast begins its season, but early May can still be inconsistent — conditions improve steadily toward June.

South & West Coasts
jan Weather icon 31°C 24°C
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may Weather icon 31°C 25°C
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dec Weather icon 31°C 24°C
East & North Coasts
jan Weather icon 31°C 23°C
feb Weather icon 32°C 23°C
mar Weather icon 32°C 24°C
apr Weather icon 32°C 25°C
may Weather icon 32°C 26°C
jun Weather icon 31°C 26°C
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dec Weather icon 31°C 24°C
Cultural Triangle
jan Weather icon 31°C 21°C
feb Weather icon 33°C 22°C
mar Weather icon 34°C 24°C
apr Weather icon 34°C 25°C
may Weather icon 33°C 24°C
jun Weather icon 32°C 24°C
jul Weather icon 32°C 24°C
aug Weather icon 32°C 24°C
sep Weather icon 32°C 24°C
oct Weather icon 31°C 23°C
nov Weather icon 30°C 22°C
dec Weather icon 30°C 21°C
Hill Country (Low-Mid)
jan Weather icon 25°C 17°C
feb Weather icon 26°C 17°C
mar Weather icon 27°C 18°C
apr Weather icon 27°C 19°C
may Weather icon 26°C 20°C
jun Weather icon 25°C 20°C
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aug Weather icon 25°C 19°C
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oct Weather icon 25°C 19°C
nov Weather icon 25°C 18°C
dec Weather icon 25°C 18°C
Hill Country (High)
jan Weather icon 20°C 10°C
feb Weather icon 21°C 11°C
mar Weather icon 22°C 13°C
apr Weather icon 21°C 14°C
may Weather icon 20°C 14°C
jun Weather icon 19°C 13°C
jul Weather icon 19°C 12°C
aug Weather icon 20°C 12°C
sep Weather icon 20°C 12°C
oct Weather icon 20°C 13°C
nov Weather icon 19°C 12°C
dec Weather icon 19°C 11°C

Places to Visit in May

May is a transitional month in Sri Lanka, with the southwest monsoon beginning on the south and west coasts, hot and mostly dry weather in the Cultural Triangle, cooler and wetter conditions in the Hill Country, and the east coast opening for its peak season. If you’re planning a trip in May, expect mixed conditions in the southwest, excellent beach weather in the east, and reliable sightseeing inland.

May is good for:

These regions offer the most reliable conditions throughout the month

Need itineraries? Check out my 3-week Sri Lanka itinerary or my Cultural Triangle itinerary for inspiration.

National Parks in May

May is not a peak safari month, but some parks still perform reasonably well. Heat, humidity, and early monsoon showers reduce wildlife activity, especially in the afternoons.

Good Conditions

  • Wilpattu — Less affected by early monsoon patterns; wildlife around the villus remains reliable.
  • Udawalawe — Elephants still easy to see, though heat reduces activity later in the day
  • Kumana — peak bird season

Decent Conditions

  • Yala — Possible to have good drives, but vegetation thickens and showers reduce visibility.
  • Minneriya / Kaudulla — Wildlife present but scattered; not Gathering season.
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Book in Advance, but No Rush

May is warm, humid, and changeable. Seas along the south and west coasts can be rough, and some water‑based activities may be cancelled due to weather. Afternoon showers are common across the island, and early monsoon winds can affect travel plans. On the positive side, crowds thin out, prices drop, and the landscapes turn lush and green.

Most places have availability in May, especially outside the holiday periods, so you don’t need to book everything months ahead. Just secure your key stays and trains, and you’ll be fine

Accommodation

Tours & Transport

Consider booking your travels through my links — it supports the site at no extra cost to you. You can secure most accommodation, tours, and transport easily through the major platforms below.

Verdict: Should You Visit Sri Lanka in May?

May is a mixed month to visit Sri Lanka. It’s not ideal for beaches on the south and west coasts, but the Hill Country and Cultural Triangle remain enjoyable, and the east coast begins to open up toward the end of the month. Wildlife viewing is decent but not exceptional. If you’re flexible with weather and prefer quieter travel, May can still work — just don’t expect the stable sunshine of earlier months.

Want to compare all the months? Check out my guide to the best time to visit Sri Lanka, or explore another month in depth below.

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