Nha Trang in March: dry, calm sea and water around 26 °C
March in Nha Trang is mid "velvet season": dry, about four rainy days, a calm sea at about 26 °C, islands, boat trips and diving, and surfing still on. Day trips and what to pack.
March in Nha Trang is dry, the sea is calm and the heat hasn't arrived yet. It's the middle of the "velvet season" (February–April): the rains are long gone, island boats and sea trips run without frequent cancellations, and the diving season is on. The water is about 26 °C — warmer than in January and February. Surfing is still in season; schools run until May. There are no big holidays in March: Tết is over, and government offices and banks work as usual.
What's on in March?
| Activity | In March | More |
|---|---|---|
| Monkey Island and Orchid Island | boats from Long Phú pier; islands open 7:30–16:30 | Nha Trang islands |
| Boat trips, fishing | calm-sea season (February–August) | boat trips |
| Diving | season runs February to August | diving |
| Surfing | in season: schools run September to May | surfing |
| Ba Ho waterfalls | dry, but check what reopened after the 2025 floods | Ba Ho |
| Yang Bay Park | day trip, about an hour from town | Yang Bay |
| Mud baths, the city | as always | what to see |
What is the weather like in Nha Trang in March?
Dry and warm. March is one of the driest months in Nha Trang: the weather station averages show about four rainy days. Day and night temperatures, rainfall and sunshine hours are in the weather block above. By the averages the heat starts in May, so March works for both the beach and trips out of town.
How warm is the sea in Nha Trang in March?
About 26 °C — three climate references agree. That's a degree warmer than January and February; by April the water reaches 27–28 °C, and 28–29 °C from May to October. All months and resorts are in sea temperature in Vietnam.
What is the sea like in March?
Calm: March falls in Nha Trang's calm-sea season, which runs from February to August. Boat trips, fishing and island boats run regularly. March is a good diving month, though the clearest water is usually April to June. Windy days still happen, so ask the agency what happens if a trip is cancelled. How to choose — boat trips and diving.
Early or late March — any difference?
Hardly, weather-wise: the whole month is dry with a calm sea. By late March the water and air are slightly warmer, and April is the last month before the heat. If you want to surf, come in March or April — from May there are almost no waves near town.
Where to go for a day trip in March?
The Monkey and Orchid islands — boats leave Long Phú pier half an hour north of town, and the islands are open 7:30–16:30. Into the hills: Yang Bay Park (about an hour west) and the Ba Ho waterfalls (about 40 minutes north). After the late-2025 floods only the walking trail at Ba Ho was open, so check before you go. Bai Dai Beach is 30–40 minutes by taxi towards the airport. Everything is in what to see in Nha Trang.
What to pack for Nha Trang in March?
Sunscreen and a hat — the March sun is already strong — a light top for boat trips, shoes for the rocks at the waterfalls and a dry bag for your phone on the islands. You'll hardly need a raincoat.
Can you swim in Nha Trang in March?
Yes. The water is about 26 °C and the sea is calm. On windy days watch the flags and listen to the lifeguards. How to get out of a rip current — Nha Trang beaches.
Nha Trang in March or April?
Both are dry with a calm sea. April has warmer water (27–28 °C) and usually clearer diving, but the heat is closer; March is milder. Note that 16 April 2027 is Hùng Kings' Day, a day off for government offices. More in Nha Trang in April. The month before — Nha Trang in February; all months — when to go to Nha Trang; where else is good in March — Vietnam in March.
FAQ
Is March a good time for Nha Trang? Yes: it's dry, the sea is calm, the islands, boat trips and diving are on, and it isn't hot yet.
Does it rain in Nha Trang in March? Little: about four rainy days a month by the long-term averages.
How warm is the water in March? About 26 °C.
What is the sea like in March? Calm — the calm-sea season runs from February to August.
Is there diving in March? Yes, the season runs February to August; the clearest water is usually April to June.
Is it surf season? Yes, schools run September to May.
Are there holidays in March? No big ones: Tết falls in January or February, and Hùng Kings' Day in 2027 is 16 April.
February or March in Nha Trang? February has cooler water (about 25 °C) and sometimes Tết; March has about 26 °C and life as usual. More in Nha Trang in February.
Sources and checks
Weather and rainy days — Nha Trang weather station averages (QCVN 02:2022/BXD) in the weather block. Sea temperature — World Sea Temperatures, weather2travel and Climates to Travel, checked 12 November 2026. Hùng Kings' Day 2027 — Báo Lào Cai, 26 October 2026. Calm-sea and diving seasons — our boat-trip and diving guides; surf season — school pages in our surfing guide (sources in each). The islands, Ba Ho and Yang Bay — our "How to get there" pages, checked 18 October 2026. Packing and planning tips are ours.