Sri Lanka is a year-round destination, but the best time to visit depends on the regions you plan to explore. The island has two monsoon seasons that affect different sides at different times. This guide explains the weather by month, region, and season so you can plan the perfect holiday.
When Is the Best Time to Visit Sri Lanka?
The overall best time to visit Sri Lanka is December to April for the south and west, and May to September for the east coast. Because the monsoons alternate, you can always find sunny areas somewhere on the island.
Sri Lanka’s Two Monsoons
Southwest Monsoon (Yala Season)
Affects: Colombo, Galle, Bentota, Mirissa, Hikkaduwa
Months: May to September
Northeast Monsoon (Maha Season)
Affects: Trincomalee, Pasikuda, Nilaveli, Arugam Bay
Months: October to January
Best Time by Region
South and West Coast (Colombo, Galle, Mirissa, Bentota)
Best months: December to April
Why: Calm seas, sunny days, ideal for beaches and whale watching.
Hill Country (Kandy, Nuwara Eliya, Ella)
Best months: January to April
Why: Clear views, cooler temperatures, perfect for scenic train rides.
East Coast (Trincomalee, Arugam Bay, Pasikuda)
Best months: May to September
Why: Dry, sunny, excellent for surfing and swimming.
Cultural Triangle (Sigiriya, Dambulla, Polonnaruwa)
Best months: Year-round
Why: Central region stays relatively dry.
Month-by-Month Breakdown
January–March
Dry and sunny across most regions. Peak season.
April
Warm weather, great for the hill country.

May–June
Southwest monsoon begins. East coast becomes ideal.
July–September
Best time for surfing in Arugam Bay.
October–November
Inter-monsoon rains. Travel still possible with flexible plans.
December
Start of peak season, perfect beach weather in the south.
Final Thoughts
Sri Lanka is a rare destination where you can enjoy good weather at any time of the year. Choose your travel month based on your preferred regions and experiences.