One of the hottest months, particularly in the lowlands; expect high humidity and heat, with monsoon onset imminent in parts of the island. Cultural New Year festivities are a notable highlight for visitors.
Average daily low and high (°C) and monthly rainfall. The badge shows how it feels, allowing for humidity.
Average temperature across Sri Lanka in April.
Colombo, Galle, Bentota
April is hot and humid inland and on the coast; Galle and Bentota feel especially sultry around Sinhala & Tamil New Year (mid‑April), when locals celebrate with food and fireworks. Brief, intense afternoon storms start to be more common; these can cancel afternoon boat trips but leave the landscape lush. Expect busy travel days around the holidays and pack mosquito repellent for warm evenings.
Kandy, Nuwara Eliya, Ella, Horton Plains
April sees the arrival of more regular afternoon rain and dramatic storms that replenish streams feeding the island’s waterfalls; Adam’s Peak pilgrimage season is ending but some groups still climb early mornings. The increased moisture makes for spectacular, green trekking routes but muddy trails-pack gaiters and insect repellent. Kandy’s humid evenings host cultural performances; daytime humidity can feel unexpectedly warm under the sun.
Anuradhapura, Sigiriya, Polonnaruwa, Minneriya
April is the hottest month and often the liveliest culturally, with Sinhala and Tamil New Year festivities that increase domestic travel and local crowds around temples. Archaeological sites are scorching mid‑day; early morning climbs of Sigiriya are much more comfortable. The increase in heat can also trigger short, dramatic thunderstorms during the afternoon, offering a brief respite and dramatic skies for photography.
Trincomalee, Batticaloa, Arugam Bay
April is a classic shoulder month: warm sun and occasional late‑afternoon thunderstorms as the island shifts toward the southwest monsoon. Diving and snorkeling windows are getting longer, and Arugam Bay comes alive for surfers training ahead of the main season. Expect local festivals around the New Year period and pack both sun protection and a light rain layer.
Jaffna, Mannar, Delft Island
April is the region’s hottest and driest stretch-perfect for uninterrupted photography of Jaffna’s painted houses and dunes on Delft Island, but exhausting for long walks. The local New Year does bring some activity, and evening sea breezes make coastal dining tolerable. Travelers should pack breathable fabrics, sunscreen, and plan early starts for any extended outdoor activity.
Mid-April New Year celebrations across the island with traditional food, rituals and family gatherings.
See how April compares with the rest of the year, then read the full guide.