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Water Temperature in the Seto Inland Sea in Kobe, Japan: Current, Historical Data and Forecast

On this page, you will find comprehensive information about the sea temperature in Kobe 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 Kobe

21.3°C

TODAY

21.5°C

YESTERDAY

19.6°C

A WEEK AGO

All water temperature data is now available in our official mobile apps — for iOS and Android.

Analysis, Historical Data, and Forecast of Water Temperature

Today sea water temperature in the Seto Inland Sea in Kobe is 21.3°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 Seto Inland Sea in Kobe Over the Last 30 Days

The water temperature in Kobe 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 Kobe will remain nearly unchanged in the coming days, its value will be 21.9°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 Kobe 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

DateCurrentAverageForecast
Jun 1319.6°C21.0°C
Jun 1419.4°C21.0°C
Jun 1519.8°C21.3°C
Jun 1620.0°C21.5°C
Jun 1720.6°C21.5°C
Jun 1820.8°C22.3°C
Jun 1921.5°C22.0°C
Jun 2021.8°C21.8°C
Jun 2121.8°C21.4°C
Jun 2222.0°C21.5°C
Jun 2321.8°C21.5°C
Jun 2421.8°C21.5°C
Jun 2522.3°C21.6°C
Jun 2622.5°C21.7°C
Jun 2722.5°C21.8°C
Jun 2822.5°C21.9°C
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast

Sea Temperature in Kobe Throughout the Year

Throughout the year, the sea temperature in Kobe exceeds 77°F (25°C) for 73 days, exceeds 72°F (22°C) for 130 days, and exceeds 64°F (18°C) for 193 days.

Below is the annual chart of sea temperature changes in the Seto Inland Sea in Kobe.

January

MinimumAverageMaximum
12°C14.5°C17°C

February

MinimumAverageMaximum
10°C13°C16°C

March

MinimumAverageMaximum
10°C13°C16°C

April

MinimumAverageMaximum
11°C14°C17°C

May

MinimumAverageMaximum
14°C18°C22°C

June

MinimumAverageMaximum
18°C22°C26°C

July

MinimumAverageMaximum
21°C24.5°C28°C

August

MinimumAverageMaximum
25°C27.5°C30°C

September

MinimumAverageMaximum
24°C27°C30°C

October

MinimumAverageMaximum
21°C24°C27°C

November

MinimumAverageMaximum
17°C20.5°C24°C

December

MinimumAverageMaximum
14°C16.5°C19°C

Monthly Water Temperature Histogram for Seto Inland Sea in Kobe

You can explore detailed data on how the water temperature in Kobe varies each month:

What Beaches Are There In and Around Kobe?

Suma Beach Resort

Suma Beach Resort is a 1-stars sandy beach, located in a 7 km (4 miles) radius of Kobe.

Kobe Weather

JUNE 21

23°C / 28°C
overcast clouds: 85-100%

humidity: 84% | wind: 4 km/h

JUNE 22

21°C / 24°C
moderate rain

humidity: 93% | wind: 2 km/h

JUNE 23

21°C / 23°C
heavy intensity rain

humidity: 90% | wind: 2 km/h

JUNE 24

22°C / 23°C
overcast clouds: 85-100%

humidity: 90% | wind: 2 km/h

Hyōgo Prefecture, JapanHyōgo Prefecture, JapanHyōgo Prefecture, Japan

Sea Temperature in the Seto Inland Sea in Kobe: General Trends and Swimming Opportunities

Original name
神戸市
The Local Time
08:57
Time Zone
UTC+9
Sunrise
04:46
Sunset
19:15
Length of the day
14 h 28 m

The climate in the coastal areas of Hyōgo Prefecture, Japan is characterized by a humid subtropical climate with hot, humid summers and mild winters. The region experiences abundant rainfall, particularly during the monsoon seasons in June and July and the typhoon season in September.

Kobe is located in Asia in the Northern Hemisphere at a latitude of 35 degrees, along the shores of the Seto Inland Sea. Kobe lies within the Hyōgo Prefecture in Japan.

The average annual daytime air temperature in Kobe is 20°C (68°F), with the average nighttime temperature being 12°C (54°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 2°C (36°F) is recorded in January, and the maximum is in August, reaching 25°C (76°F).

According to historical data, Kobe 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 173 mm (6.8 inches) of precipitation, while the driest month is November, which typically has 9 rainy days and only 67 mm (2.6 inches) of precipitation.

The average annual water temperature in Seto Inland Sea in Kobe is 20°C (68°F). In February, the water reaches its lowest point of the year at 10°C (50°F), while in August, it peaks at 30°C (86°F). The months suitable for comfortable beach vacations and swimming in the Seto Inland Sea are July, August, September, and October. 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 Kobe

Frequently Asked Questions About Kobe and its Water Temperatures

What is the current sea temperature in Kobe?

The water temperature today in the Seto Inland Sea in Kobe is 70°F (21.3°C).

In which months is the water temperature in Kobe comfortable for swimming?

The water temperature in the Seto Inland Sea in Kobe is comfortable for swimming and beach vacations in July, August, September, and October.

What is the water temperature in Kobe during the winter?

The water temperature in the Seto Inland Sea in Kobe during the winter ranges from 10°C to 19°C (50°F to 66°F).

What is the water temperature in Kobe during the spring?

The water temperature in the Seto Inland Sea in Kobe during the spring ranges from 10°C to 22°C (50°F to 72°F).

What is the water temperature in Kobe during the summer?

The water temperature in the Seto Inland Sea in Kobe during the summer ranges from 18°C to 30°C (64°F to 86°F).

What is the water temperature in Kobe during the fall?

The water temperature in the Seto Inland Sea in Kobe during the fall ranges from 17°C to 30°C (63°F to 86°F).

Is it possible to swim in the sea in Kobe year-round?

No, it is not possible to swim in the Seto Inland Sea in Kobe year-round, the months suitable for comfortable swimming are July, August, September, and October.

Is Kobe a popular tourist destination for beach vacations?

Kobe has a moderate level of popularity for beach vacations; while it does receive some visitors, it is not among the top seaside destinations, as other locations may offer more favorable conditions.

What sea temperatures can I expect in Kobe in the next month?

In July, the water temperature in the Seto Inland Sea in Kobe will range between 70°F (21°C) and 82°F (28°C)