Vietnam / Thanh Hóa Province
Bãi biển Sầm Sơn
Bãi biển Sầm Sơn is a coastal resort area in Thanh Hóa Province, Vietnam. Its longest mapped beach stretches about 3.6 km. The sea averages 30.0 °C in August, its warmest month, and 20.6 °C in February; it is 21 °C or warmer in March–January.
Average sea surface temperature by month. Current month outlined.
Rainfall reaches 315 mm in September and stays above 250 mm in July, August and September.
OpenStreetMap shows no lifeguard station within 1 km. Seasonal lifeguard posts are often unmapped, so check on site.
Services in the resort
- 82Restaurants, cafés & bars
- –Public toilets
- –Showers
- –Car parks
- –Lifeguard stations
- 136Hotels & guesthouses
- 1Campsites
- 4Grocery shops
- 1Water-sports spots
- 4Pharmacies & clinics
Food and drink mapped within 1 km: 57 restaurants, 23 cafés and 2 fast-food outlets. Accommodation: 136 hotels and guesthouses.
Counted within 1 km of the beach (bus stops 1.5 km) from OpenStreetMap features and Overture Maps places, release of 2026-10. Unmapped does not mean absent.
Month by month
October at Bãi biển Sầm Sơn
Beach-day index 7.5/10 · Vietnam median 7.3
| Measure | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea °C | 21.0 °C | 20.6 °C | 21.4 °C | 23.9 °C | 27.6 °C | 29.4 °C | 29.7 °C | 30.0 °C | 29.5 °C | 27.9 °C | 25.6 °C | 22.8 °C |
| High °C | 20° | 21° | 23° | 27° | 29° | 31° | 31° | 30° | 30° | 28° | 25° | 21° |
| Low °C | 16° | 17° | 19° | 22° | 26° | 28° | 28° | 28° | 27° | 24° | 21° | 17° |
| Rain mm | 31 | 19 | 45 | 64 | 163 | 157 | 254 | 302 | 315 | 218 | 69 | 34 |
| Cloud % | 74 | 77 | 80 | 74 | 78 | 84 | 84 | 85 | 77 | 66 | 63 | 71 |
| Wind m/s | 4.8 | 4.5 | 4.4 | 4.3 | 4.3 | 4.5 | 4.5 | 3.7 | 4.0 | 4.8 | 4.9 | 5.2 |
| Daylight h | 11.1 | 11.5 | 12.0 | 12.6 | 13.1 | 13.3 | 13.2 | 12.8 | 12.3 | 11.7 | 11.2 | 11.0 |
| Record high/low | 27°/7° | 30°/9° | 31°/11° | 34°/16° | 35°/21° | 35°/24° | 36°/25° | 34°/24° | 34°/22° | 31°/17° | 30°/13° | 28°/8° |
| Beach index | 6.0 | 6.6 | 7.5 | 8.7 | 7.9 | 7.8 | 7.1 | 7.1 | 7.2 | 7.5 | 8.6 | 7.1 |
Long-term monthly averages: air from NASA POWER (2001–2020), sea from NOAA OISST (1991–2020); records are the extremes of 2001–2020. How the index works.
When to go
The beach-day index peaks in April and November; April scores 8.7/10 with highs of 27 °C, sea at 23.9 °C and 64 mm of rain.
That matches the median for beaches in Vietnam in the same month.
At its warmest the water here is 1.1 °C warmer than the Vietnam median for August (28.9 °C).
Across the year the sea averages 25.8 °C, warmer than 79% of the coastal beaches in the atlas.
September is the wettest month (315 mm) and February the driest (19 mm); the yearly total is about 1,670 mm.
Daylight runs from 11.0 hours in December to 13.3 hours in June; in mid-April the sun rises at 05:39 and sets at 18:13 local time.
Orientation, sun and shore
The shore faces east-south-east (120°). Open water fills about 47% of the horizon close by, which makes it an open stretch of shore.
At no time of year does the sun set over the sea here: sunset bearings run from 246° to 295°, behind the land.
Sunrise is over the sea in every month.
Straight out to the east-south-east there is open water for more than 2,000 km, so the beach is exposed to long ocean swell.
About 1 km offshore the sea is roughly 3 m deep and 7 m at 3 km, a shallow, gently shelving sea floor. Behind the beach the ground is about 8 m above sea level 500 m inland and 7 m at 1.5 km, a flat coastal plain.
Within 1 km, the land is 69% built-up land, 11% bare ground, sand or rock and 9% tree cover (satellite land-cover map, 2021): an urban beach. Water makes up 53% of that circle.
- Built 69%
- Bare 11%
- Tree 9%
- Grass 6%
- Crop 4%
Land cover: ESA WorldCover 2021 (10 m). Orientation from OpenStreetMap land polygons sampled in 36 directions; depths and heights from the GEBCO 2020 grid (about 450 m cells), indicative only.
Getting there
| Airport | Code | Distance | Direction |
|---|---|---|---|
| Vinh Airport Vinh | VII | 115 km | south |
| Cat Bi International Airport Haiphong (Hai An) | HPH | 147 km | north-east |
| Noi Bai International Airport Hanoi (Soc Son) | HAN | 165 km | north |
Straight-line distances from the beach; road distance is usually 20–40% longer.
1 town or village of 1,000+ people lie within 10 km (about 129.8K residents); within 30 km there are 8 (about 1M).
From above
Reference
Sam Son beach (Vietnamese: Bãi biển Sầm Sơn) is a resort beach in Vietnam. It’s located in Sầm Sơn city, Thanh Hóa Province, Bac Trung Bo region, Vietnam, 16 km east of Thanh Hoa City.
Wikidata item Q1322460.
Around the beach
Diving & boat hire
- Nha Khoa 63 Tống Duy Tân 780 m W
Campsites
- Khu Vui Chơi Giải Trí Sầm Sơn Victory 650 m SW
When people look it up
The EN Wikipedia article was read 995 times in the 12 months to August 2026. Interest peaks in June (133 views), 3.1× the quietest month.
Map
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Data on this page
- Air temperature, rain, cloud, wind, humidity: NASA POWER climatology 2001–2020, 0.5° grid.
- Sea temperature: NOAA OISST v2.1 monthly normals 1991–2020, nearest ocean cell 13.7 km away.
- Beach outline, surface, rules and public facilities: OpenStreetMap contributors (ODbL), feature w478007377; restaurants, cafés, bars and lodging: Overture Maps places (CDLA-Permissive-2.0).
- Water body, status and length: Wikidata (CC0).
- Towns and time zone: GeoNames (CC BY 4.0). Airports: OurAirports (public domain). Sunrise and sunset: NOAA solar equations.
- Photos: Wikimedia Commons, author and licence under each image.
- Satellite view: Copernicus Sentinel-2 (ESA), scene S2A_48QWG_20230324_0_L2A.
- Orientation: OpenStreetMap land polygons (ODbL). Depth and terrain: GEBCO 2020 grid.
- Settlements: GeoNames places with 1,000+ inhabitants.
- Land cover: ESA WorldCover 2021, 10 m (CC BY 4.0).
- Search popularity: about 6.6K Google searches a month for the name (KeywordTool, October 2026).
Data compiled 2026-10-13. Something wrong? Report a data error.