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Hoi An
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Water Temperature in the South China Sea in Hoi An, Vietnam: Current, Historical Data and Forecast
On this page, you will find comprehensive information about the sea temperature in Hoi An in Vietnam, including current readings, historical data and trends, monthly averages, as well as weather forecasts and upcoming temperature predictions. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.
Current Water Temperature in Hoi An
80°F
TODAY
80°F
YESTERDAY
79°F
A WEEK AGO
Analysis, Historical Data, and Forecast of Water Temperature
Today sea water temperature in the South China Sea in Hoi An is 26.9°F. This is very warm water, allowing for extended stays without any discomfort. Swimming in these conditions will be particularly enjoyable, making it the ideal temperature range for those who want to relax in the sea. Additionally, water in this temperature range is suitable for children and elderly people, as it is comfortable for prolonged stays.
It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.
Water Temperature Chart for South China Sea in Hoi An Over the Last 30 Days
The water temperature in Hoi An today is lower than both a week ago and a month ago. Today's sea temperature is generally in line with historical values for this day.
According to our forecast, the sea temperature in Hoi An will remain nearly unchanged in the coming days, its value will be 81°F.
Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.
Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts across Vietnam to enhance accuracy.
Water temperature data for Hoi An and nearby towns and resorts is gathered from various sources, including buoys and satellite sea and ocean surface maps provided by the NOAA agency. We also incorporate data from local authorities in each specific location worldwide to ensure more accurate temperature readings.
Table of Daily Sea Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| May 1 | 79°F | 80°F | |
| May 2 | 78°F | 80°F | |
| May 3 | 80°F | 80°F | |
| May 4 | 79°F | 80°F | |
| May 5 | 80°F | 81°F | |
| May 6 | 80°F | 81°F | |
| May 7 | 80°F | 80°F | |
| May 8 | 80°F | 80°F | |
| May 9 | 80°F | 80°F | |
| May 10 | 81°F | 80°F | |
| May 11 | 81°F | 80°F | |
| May 12 | 82°F | 80°F | |
| May 13 | 82°F | 81°F | |
| May 14 | 82°F | 81°F | |
| May 15 | 81°F | 81°F | |
| May 16 | 82°F | 81°F |
Sea Temperature in Hoi An Throughout the Year
Throughout the year, the sea temperature in Hoi An is always above 64°F (18°C), the sea temperature exceeds 72°F (22°C) for 363 days, and exceeds 77°F (25°C) for 256 days.
Below is the annual chart of sea temperature changes in the South China Sea in Hoi An.
January
| Minimum | Average | Maximum |
|---|---|---|
| 70°F | 73°F | 77°F |
February
| Minimum | Average | Maximum |
|---|---|---|
| 70°F | 73°F | 77°F |
March
| Minimum | Average | Maximum |
|---|---|---|
| 68°F | 74°F | 81°F |
April
| Minimum | Average | Maximum |
|---|---|---|
| 70°F | 76°F | 82°F |
May
| Minimum | Average | Maximum |
|---|---|---|
| 77°F | 82°F | 86°F |
June
| Minimum | Average | Maximum |
|---|---|---|
| 81°F | 85°F | 90°F |
July
| Minimum | Average | Maximum |
|---|---|---|
| 81°F | 85°F | 90°F |
August
| Minimum | Average | Maximum |
|---|---|---|
| 82°F | 86°F | 90°F |
September
| Minimum | Average | Maximum |
|---|---|---|
| 81°F | 85°F | 90°F |
October
| Minimum | Average | Maximum |
|---|---|---|
| 77°F | 82°F | 88°F |
November
| Minimum | Average | Maximum |
|---|---|---|
| 77°F | 81°F | 84°F |
December
| Minimum | Average | Maximum |
|---|---|---|
| 68°F | 75°F | 82°F |
Monthly Water Temperature Histogram for South China Sea in Hoi An
You can explore detailed data on how the water temperature in Hoi An varies each month:
What Beaches Are There In and Around Hoi An?
An Bang Beach
An Bang Beach is a 4-stars sandy beach, located in a 3 km (2 miles) radius of Hoi An. There is parking. There are restrooms. There are cafés. An Bang Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Coconut Beach
Coconut Beach is a 3-stars sandy beach, located in a 3 km (2 miles) radius of Hoi An. There is parking. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Hidden Beach
Hidden Beach is a 1-stars sandy beach, located in a 4 km (2 miles) radius of Hoi An.
Four Seasons The Nam Hai Beach
Four Seasons The Nam Hai Beach is a 4-stars sandy beach, located in a 5 km (3 miles) radius of Hoi An. There are lifeguards on the beach. There is parking. There are cafés. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Ha My Beach
Ha My Beach is a 5-stars sandy beach, located in a 5 km (3 miles) radius of Hoi An. There is parking. There are restrooms. There are cafés. Ha My Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Cua Dai Beach
Cua Dai Beach is a 5-stars sandy beach, located in a 5 km (3 miles) radius of Hoi An. There is parking. There are restrooms. There are cafés. Cua Dai Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Duy Hai Beach
Duy Hai Beach is a 3-stars sandy beach, located in a 7 km (4 miles) radius of Hoi An. There is parking. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Hoi An Weather
MAY 9
77°F / 88°F
broken clouds: 51-84%humidity: 78% | wind: 2 mph
MAY 10
75°F / 84°F
light rainhumidity: 83% | wind: 2 mph
MAY 11
75°F / 84°F
light rainhumidity: 80% | wind: 2 mph
MAY 12
75°F / 81°F
overcast clouds: 85-100%humidity: 84% | wind: 1 mph
Sea Temperature in the South China Sea in Hoi An: General Trends and Swimming Opportunities
The coastal areas of Vietnam typically feature a tropical climate with high humidity levels, characterized by a dry season from November to April and a wet season from May to October. They tend to have both hotter temperatures and higher rainfall levels compared to the country's inland regions.
Hoi An is located in Asia in the Northern Hemisphere at a latitude of 16 degrees, along the shores of the South China Sea. Hoi An lies within in Vietnam.
The average annual daytime air temperature in Hoi An is 30°C (86°F), with the average nighttime temperature being 23°C (73°F). The highest average daily temperature occurs in June, reaching 34°C (93°F), while the lowest is in January at 26°C (78°F). As for nighttime temperatures, the minimum average temperature of 20°C (67°F) is recorded in January, and the maximum is in July, reaching 25°C (78°F).
According to historical data, Hoi An experiences 108 rainy days per year, which accounts for 30 percent of all days in the year. On average, there are 9 rainy days each month. The wettest month is October, with 18 rainy days and 572 mm (22.5 inches) of precipitation, while the driest month is March, which typically has 3 rainy days and only 30 mm (1.2 inches) of precipitation.
The average annual water temperature in South China Sea in Hoi An is 27°C (81°F). In March, the water reaches its lowest point of the year at 20°C (68°F), while in June, it peaks at 32°C (90°F). The months suitable for comfortable beach vacations and swimming in the South China Sea are January, February, April, May, June, July, August, September, October, and November. During this period, the water temperature stays above 20°C (68°F) and can reach up to 32°C (90°F) on some days.
Geographical Location of Hoi An
Nearby Cities
Frequently Asked Questions About Hoi An and its Water Temperatures
What is the current sea temperature in Hoi An?
The water temperature today in the South China Sea in Hoi An is 80°F (26.8°C).
In which months is the water temperature in Hoi An comfortable for swimming?
The water temperature in the South China Sea in Hoi An is comfortable for swimming and beach vacations in January, February, April, May, June, July, August, September, October, and November.
What is the water temperature in Hoi An during the winter?
The water temperature in the South China Sea in Hoi An during the winter ranges from 20°C to 28°C (68°F to 82°F).
What is the water temperature in Hoi An during the spring?
The water temperature in the South China Sea in Hoi An during the spring ranges from 20°C to 30°C (68°F to 86°F).
What is the water temperature in Hoi An during the summer?
The water temperature in the South China Sea in Hoi An during the summer ranges from 27°C to 32°C (81°F to 90°F).
What is the water temperature in Hoi An during the fall?
The water temperature in the South China Sea in Hoi An during the fall ranges from 25°C to 32°C (77°F to 90°F).
Is it possible to swim in the sea in Hoi An year-round?
No, it is not possible to swim in the South China Sea in Hoi An year-round, the months suitable for comfortable swimming are January, February, April, May, June, July, August, September, October, and November.
Is Hoi An a popular tourist destination for beach vacations?
Hoi An a fairly popular beach destination, offering good conditions for swimming and relaxation, with a steady flow of tourists, especially during peak seasons.
What sea temperatures can I expect in Hoi An in the next month?
In June, the water temperature in the South China Sea in Hoi An will range between 81°F (27°C) and 90°F (32°C)