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Niigata
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Water Temperature in the Sea of Japan in Niigata, Japan: Current, Historical Data and Forecast
On this page, you will find comprehensive information about the sea temperature in Niigata in Japan, 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 Niigata
21.1°C
TODAY
21.0°C
YESTERDAY
17.9°C
A WEEK AGO
Analysis, Historical Data, and Forecast of Water Temperature
Today sea water temperature in the Sea of Japan in Niigata is 21.1°C. The water is warm and pleasant for swimming, and in this range, one can stay in the water for extended periods without the risk of hypothermia. This is the ideal temperature for relaxation, swimming, and water sports. Families with children, as well as outdoor enthusiasts, will enjoy swimming and time spent in the water. For most people, this is the optimal temperature for a comfortable beach experience.
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 Sea of Japan in Niigata Over the Last 30 Days
The water temperature in Niigata 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 Niigata will remain nearly unchanged in the coming days, its value will be 21.1°C.
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 Japan to enhance accuracy.
Water temperature data for Niigata 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 |
|---|---|---|---|
| Jun 16 | 17.9°C | 19.3°C | |
| Jun 17 | 18.2°C | 19.5°C | |
| Jun 18 | 18.0°C | 19.8°C | |
| Jun 19 | 18.5°C | 19.8°C | |
| Jun 20 | 18.6°C | 19.8°C | |
| Jun 21 | 18.6°C | 20.8°C | |
| Jun 22 | 21.0°C | 20.5°C | |
| Jun 23 | 20.7°C | 20.5°C | |
| Jun 24 | 20.8°C | 21.1°C | |
| Jun 25 | 21.3°C | 21.1°C | |
| Jun 26 | 21.0°C | 21.1°C | |
| Jun 27 | 21.0°C | 21.1°C | |
| Jun 28 | 21.5°C | 21.1°C | |
| Jun 29 | 21.3°C | 21.1°C | |
| Jun 30 | 21.3°C | 21.1°C | |
| Jul 1 | 21.0°C | 21.1°C |
Sea Temperature in Niigata Throughout the Year
Throughout the year, the sea temperature in Niigata exceeds 77°F (25°C) for 62 days, exceeds 72°F (22°C) for 107 days, and exceeds 64°F (18°C) for 170 days.
Below is the annual chart of sea temperature changes in the Sea of Japan in Niigata.
January
| Minimum | Average | Maximum |
|---|---|---|
| 8°C | 11.5°C | 15°C |
February
| Minimum | Average | Maximum |
|---|---|---|
| 7°C | 10°C | 13°C |
March
| Minimum | Average | Maximum |
|---|---|---|
| 8°C | 10°C | 12°C |
April
| Minimum | Average | Maximum |
|---|---|---|
| 8°C | 11°C | 14°C |
May
| Minimum | Average | Maximum |
|---|---|---|
| 10°C | 14.5°C | 19°C |
June
| Minimum | Average | Maximum |
|---|---|---|
| 15°C | 20°C | 25°C |
July
| Minimum | Average | Maximum |
|---|---|---|
| 20°C | 24°C | 28°C |
August
| Minimum | Average | Maximum |
|---|---|---|
| 24°C | 27°C | 30°C |
September
| Minimum | Average | Maximum |
|---|---|---|
| 22°C | 26°C | 30°C |
October
| Minimum | Average | Maximum |
|---|---|---|
| 18°C | 22°C | 26°C |
November
| Minimum | Average | Maximum |
|---|---|---|
| 13°C | 17.5°C | 22°C |
December
| Minimum | Average | Maximum |
|---|---|---|
| 9°C | 14°C | 19°C |
Monthly Water Temperature Histogram for Sea of Japan in Niigata
You can explore detailed data on how the water temperature in Niigata varies each month:
What Beaches Are There In and Around Niigata?
Yorii Beach
Yorii Beach is a 2-stars sandy beach, is located directly in Niigata. There is parking. Yorii Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish.
Sekiya Beach
Sekiya Beach is a 2-stars sandy beach, located in a 2 km (1 miles) radius of Niigata. There is parking. There are cafés.
Sekiyahama Beach Resort
Sekiyahama Beach Resort is a 4-stars sandy beach, located in a 2 km (1 miles) radius of Niigata. There are lifeguards on the beach. There is parking. There are cafés. Sekiyahama Beach Resort is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Hiyoriyamahama Beach
Hiyoriyamahama Beach is a 3-stars sandy beach, located in a 2 km (1 miles) radius of Niigata. There is parking. There are restrooms. There are cafés. Hiyoriyamahama Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish.
Aoyama Kaigan Beach
Aoyama Kaigan Beach is a 3-stars sandy beach, located in a 3 km (2 miles) radius of Niigata. There is parking. There are restrooms. There are cafés.
Kobarihama Beach Resort
Kobarihama Beach Resort is a 4-stars sandy beach, located in a 5 km (3 miles) radius of Niigata. There is parking. There are restrooms. There are cafés. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Niigata Weather
JUNE 24
22°C / 25°C
overcast clouds: 85-100%humidity: 88% | wind: 2 km/h
JUNE 25
21°C / 24°C
overcast clouds: 85-100%humidity: 92% | wind: 3 km/h
JUNE 26
20°C / 23°C
light rainhumidity: 87% | wind: 4 km/h
JUNE 27
21°C / 23°C
light rainhumidity: 83% | wind: 2 km/h
Sea Temperature in the Sea of Japan in Niigata: General Trends and Swimming Opportunities
Niigata Prefecture, located along the Sea of Japan coast, experiences a humid climate with long, cold winters and hot, humid summers. It is known for heavy snowfall in the winter, while the summer months often bring a lot of rainfall due to the East Asian Monsoon and occasional typhoons.
Niigata is located in Asia in the Northern Hemisphere at a latitude of 38 degrees, along the shores of the Sea of Japan. Niigata lies within the Niigata Prefecture in Japan.
The average annual daytime air temperature in Niigata is 20°C (68°F), with the average nighttime temperature being 8°C (46°F). The highest average daily temperature occurs in August, reaching 32°C (90°F), while the lowest is in January at 9°C (48°F). As for nighttime temperatures, the minimum average temperature of -4°C (25°F) is recorded in January, and the maximum is in August, reaching 21°C (69°F).
According to historical data, Niigata experiences 137 rainy days per year, which accounts for 38 percent of all days in the year. On average, there are 11 rainy days each month. The wettest month is July, with 14 rainy days and 156 mm (6.1 inches) of precipitation, while the driest month is November, which typically has 9 rainy days and only 78 mm (3.1 inches) of precipitation.
The average annual water temperature in Sea of Japan in Niigata is 17°C (63°F). In February, the water reaches its lowest point of the year at 7°C (45°F), while in August, it peaks at 30°C (86°F). The months suitable for comfortable beach vacations and swimming in the Sea of Japan are August, and September. During this period, the water temperature stays above 20°C (68°F) and can reach up to 30°C (86°F) on some days.
Geographical Location of Niigata
Frequently Asked Questions About Niigata and its Water Temperatures
What is the current sea temperature in Niigata?
The water temperature today in the Sea of Japan in Niigata is 70°F (21.1°C).
In which months is the water temperature in Niigata comfortable for swimming?
The water temperature in the Sea of Japan in Niigata is comfortable for swimming and beach vacations in August, and September.
What is the water temperature in Niigata during the winter?
The water temperature in the Sea of Japan in Niigata during the winter ranges from 7°C to 19°C (45°F to 66°F).
What is the water temperature in Niigata during the spring?
The water temperature in the Sea of Japan in Niigata during the spring ranges from 8°C to 19°C (46°F to 66°F).
What is the water temperature in Niigata during the summer?
The water temperature in the Sea of Japan in Niigata during the summer ranges from 15°C to 30°C (59°F to 86°F).
What is the water temperature in Niigata during the fall?
The water temperature in the Sea of Japan in Niigata during the fall ranges from 13°C to 30°C (55°F to 86°F).
Is it possible to swim in the sea in Niigata at any time of the year?
The Sea of Japan in Niigata is quite cool, and swimming is only possible in June, July, August, September, October, and November when the water temperature reaches 21°C (70°F).
What sea temperatures can I expect in Niigata in the next month?
In July, the water temperature in the Sea of Japan in Niigata will range between 68°F (20°C) and 82°F (28°C)