Quick answer
March is a very good month for a relaxing beach holiday in Sri Lanka, especially on the south and west coasts, where the sea is still usually calm and swimmable while crowds begin to thin after mid-month. Temperatures rise to roughly 30 to 32°C, so shade and early swims matter more. By late March, Trincomalee's beaches often start to calm as the east coast season approaches. Prices generally ease towards the end of the month.
Key takeaways
- In March the south and west coasts of Sri Lanka usually keep calm seas and dry weather, with crowds thinning after mid-month.
- Coastal temperatures in March are typically roughly 30 to 32°C, hotter and more humid than February.
- By late March the east coast around Trincomalee often begins to calm, and whale sightings off Trincomalee are reported from around March.
- Hotel rates on the south coast usually begin to ease in the second half of March.
- There is always a good coast in Sri Lanka; in March it is the south and west, with the east starting to open.
Beach weather in Sri Lanka in March
Beach weather in Sri Lanka in March remains good on the south and west coasts. Most days are dry and sunny, and the sea is usually calm, particularly in the mornings. The main change from February is heat: humidity builds through the month, and afternoons can feel heavy.
On the east coast, March is the start of the turn. The north-east monsoon is well over, and by the second half of the month the sea at Trincomalee, Nilaveli and Uppuveli is often calm. Conditions are not yet as dependable as in May to September.
- →South and west coasts: dry, calm and hot; reliable for a beach holiday.
- →East coast: improving; often good by late March.
- →Hill country: dry and pleasant, a cooler side trip for anyone who wants one.
The most relaxing beaches in March
The most relaxing beaches in March combine calm water with shade and breeze, because the heat is a bigger factor than in January or February.
- →Dalawella: reef pools and villa gardens with deep shade.
- →Mirissa's quieter end: calm bay swimming and the tail of the whale season.
- →Hiriketiya: busy in peak weeks, noticeably quieter by late March.
- →Tangalle's Goyambokka cove: sheltered water and very few people.
- →Uppuveli and Nilaveli in the last week of March: the first calm east-coast days, with hotels still quiet.
Managing the March heat
Managing the March heat is the key to a relaxing beach week this month. The sun is strong from about 10am to 4pm, and humidity makes long walks on the sand tiring.
- →Swim early, before 9am, and again after 4pm.
- →Choose a room with good airflow or air conditioning, and a shaded garden or veranda.
- →Drink more water than you think you need, and use high-factor sunscreen.
- →Plan any outing for the early morning, not midday.
Why late March is so quiet
Late March is quiet because most European and North American travellers have gone home after the winter, while the Easter holidays and the Sinhala and Tamil New Year in April have not yet begun. The south coast still has its season, but with more space and lower rates.
For a relaxing beach holiday, the last ten days of March are among the best-value windows of the year. Smaller hotels that were full in February often have rooms, and the beaches feel spacious again.
Who March suits
March suits travellers who want calm seas without peak crowds, and who are comfortable in heat. It works well for couples and for anyone combining a beach week with a few cooler days in the hill country. Travellers sensitive to humidity may prefer January or February.
Planning a March beach holiday
Plan a March beach holiday with a single south-coast base for five to seven nights, or, late in the month, split a longer stay between the south and Trincomalee. Book air-conditioned rooms and gardens with shade.
Lankan Stays & Trails can arrange quiet March beach stays, including a late-month split between the south and east coasts. The guide to Sri Lanka in March covers the rest of the island this month.
Frequently asked questions
Is March a good time for a beach holiday in Sri Lanka?
Yes. March keeps calm, swimmable seas and dry weather on the south and west coasts, with fewer crowds than January and February, especially after mid-month. It is hotter and more humid, so plan swims for the morning and late afternoon.
Is the east coast of Sri Lanka good in March?
The east coast improves through March. By the last week or two, Trincomalee, Nilaveli and Uppuveli often have calm seas and dry weather, though conditions are less dependable than from May to September. Early March is usually still too unsettled.
How hot is Sri Lanka in March?
Coastal temperatures in March typically reach roughly 30 to 32°C, with rising humidity through the month. The sea is roughly 28°C. The hill country is cooler and makes a comfortable side trip during a beach holiday.
Is Sri Lanka busy in March?
Early March is still busy on the south coast, but from mid-month visitor numbers fall noticeably and hotel rates begin to ease. Late March is one of the quieter, better-value windows of the dry season.
Can you see whales in Sri Lanka in March?
Yes. Mirissa's whale-watching season continues through March, and sightings off Trincomalee are often reported from around March into April. Sightings are never guaranteed, and calm mornings make for the most comfortable trips.
Which beach is best in Sri Lanka in March?
For a relaxing stay, Dalawella near Galle, the quieter end of Mirissa and the Tangalle coves are excellent in March. In the last week, Uppuveli and Nilaveli near Trincomalee become good options as the east coast season begins.