Cyclones can hit Sri Lanka, mainly near the end of September and into October and November, bringing heavy rain and strong gusts. The nicest weather is likely to be found on the east coast.
The population of Blue Whales seen around Sri Lanka are believed to be around the
Indian ocean with frequent sightings off Mirissa (November - April) and Trincomalee
(March - April) with intermittent sightings up to September.
02. Spinner Dolphin
TRINCOMALEE (NOVEMBER - APRIL)
Spinner Dolphins are resident to Sri Lankan waters. Kalpitiya is the best location
to view them while they are also seen in Mirissa on most days between November
through to April. Dolphin watching in Trincomalee is between March-October.
03. Sea Turtle Nesting
REKAWA (INTERMITTENT SIGHTINGS)
Marine Turtles can be seen nesting in Rekawa. Olive Ridley Turtles nest between
November - January, while Green Turtles nest from March - July. Leatherback,
Loggerhead and Hawksbill Turtles have been recorded nesting but are infrequently
seen.
04. Snorkeling and Diving
East Coast (April - August)
The East coast comes into season when the north-east monsoon recedes. The best time
for exploring the dive sites and for snorkeling is from April - August.
05. Leopard
YALA, KUMANA & WILPATTU (Year-Round)
Leopards can be seen year-round in Yala, Kumana and Wilpattu National Parks. The wet
season is from November - March when you get the lush green jungle habitats and the
dry-season is from May - September when the big cats can be found close to the
waterholes.
06. Sloth Bear
YALA & WILPATTU (Year-Round)
Yala and Wilpattu National Parks are the most reliable locations for watching the
shaggy coated Sloth Bear. Although seen year-round, sightings improve between May -
June when fruits such as Palu and Weera ripen and in the dry season which extends
all the way through to September.
07. The Gathering of Elephants
Minneriya & Kaudulla (July - October)
Regarded as one of the world's top wildlife spectacles, 'The Gathering of Elephants'
takes place in Minneriya and Kaudulla National Parks during the dry season from July
through to October. Herds of elephants numbering over a hundred congregate in the
open feeding on the lush green grass as the water levels in the Minneriya and
Kaudulla tanks recede. They begin to disperse by around late November to the
surrounding jungles once the monsoon rains set in. Between December to May, the
elephants can be seen in the Hurullu Forest Reserve but in smaller numbers.
08. Primates
FORESTED AREAS IN THE DRY-ZONE (Year-Round)
Primate watching is year-round across the country. Toque Macaques and Grey Langurs
can be seen across the lowlands. Purple-faced Leaf Monkey can be seen in the rain
forests, highlands in the outskirts of towns on the west coast and in pockets of
forested areas in the dry-zone. The elusive Slender Loris can be seen during
nocturnal nature tours. The cultural triangle is the best region in the country for
viewing primates, where all Eight species of Monkey and the Slender Loris is also
encountered.
09. Crocodiles
YALA NATIONAL PARK (Year-Round)
Mugger Crocodile can be seen year-round in lakes and the dry-zone National Parks.
The larger Estuatine Crocodile is rarer and can be seen in Bundala National Park and
in waterways in the outskirts of Colombo. During the dry season between the months
of July through to September, large congregations of Mugger Crocodiles can be seen
in the waterholes and lakes in Yala National Park.
10. Endemic Birding
SINHARAJA (Year-Round)
34 endemics and a further 17 species which are declared as subcontinental endemics
can be found year-round in Sri Lanka. The majority of species are found within the
lowland rainforests and the cloud forests which are geographically isolated
habitats. The highlight are the mixed species birdflocks in Sinharaja which are
popularly referred to as birdwaves.
11. Dragonflies and Damselflies
Multiple Locations (Year-Round)
Dragonflies and Damselflies can be seen year-round in the island in wetlands,
lagoons, river banks, lakes and other water bodies. There are 124 species with over
half these species being endemic. Visiting sites such as Talangama wetlands,
Sigiriya moat, Sinharaja, Kithulgala, Horton Plains and Yala will cover a number of
different habitats enabling you to see a large diversity of dragonflies.
12. Butterflies
Multiple Locations (Year-Round)
With over 245 species including 23 endemics, Sri Lanka is an excellent year-round
destination for butterfly watching. Realistically over a hundred species can be
encountered during a butterfly watching holiday of around 10 days. Swarms of 'white
and yellow' butterflies can be seen in the dry-zone around February and March at the
end of the wet season.