Climate and monthly weather forecast
Inno-shima, Japan

englishespañol中文
Share

The best time to visit Inno-shima

The best months for a swim in Inno-shima, Japan, are July through September, with a perfect temperature - varying between 25°C (77°F) and 29°C (84.2°F), and scarce rainfall.

Weather in January

In January, the average sea temperature in Inno-shima, Japan, is 15°C (59°F). Note: Swimming in 15°C (59°F) does not offer a pleasant experience for most individuals. Weather in January »

Weather in February

The month with the coldest seawater in Inno-shima, Japan, is February, with an average sea temperature of 13.7°C (56.7°F). Note: Dipping in 13.7°C (56.7°F) at temperatures less than 10°C (50°F) without proper gear can lead to pronounced cold shock and breathing difficulties. Weather in February »

Weather in March

In March, the average sea temperature in Inno-shima, Japan, is 13.8°C (56.8°F). Note: Immersing oneself in 13.8°C (56.8°F) at sub-10°C (14°F) temperatures is a recipe for harsh cold shock and quickened breathing unless adequately equipped. Weather in March »

Weather in April

In Inno-shima, Japan, in April, the average water temperature is 15.4°C (59.7°F). Note: Swimming in water of 15.4°C (59.7°F) is not enjoyable for the majority of individuals. Weather in April »

Weather in May

In May, the average sea temperature in Inno-shima, Japan, is 18.1°C (64.6°F). Note: For the majority of people, swimming in water at 18.1°C (64.6°F) is not enjoyable. Weather in May »

Weather in June

In June, the average sea temperature in Inno-shima, Japan, is 21.9°C (71.4°F). Note: In water with a temperature of 21.9°C (71.4°F), swimming is not a joy for most people. Weather in June »

Weather in July

The ideal sea water temperature of 25.3°C (77.5°F) makes July in Inno-shima, Japan, the best time for swimming and other water activities. In July, the average sea temperature is 25.3°C (77.5°F). Note: For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods. Weather in July »

Weather in August

An excellent water temperature of 27.2°C (81°F) makes August in Inno-shima, Japan, a prime for swimming and other water activities. With an average sea temperature of 27.2°C (81°F), August is the month with the warmest seawater. Note: Water temperature ranging from 25°C (77°F) to 29°C (84.2°F) is recognized as warm and pleasant by all, making water activities comfortable and delightful for long durations. Weather in August »

Weather in September

The ideal sea water temperature of 26°C (78.8°F) makes September in Inno-shima, Japan, the best time for swimming and other water activities. In September, the average sea temperature is 26°C (78.8°F). Note: In water temperatures ranging between 25°C (77°F) and 29°C (84.2°F), activities such as swimming and diving become highly pleasurable for long durations. Weather in September »

Weather in October

In Inno-shima, Japan, in October, the average water temperature is 23.7°C (74.7°F). Note: Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 23.7°C (74.7°F) water may be enjoyable. Weather in October »

Weather in November

In November, the average sea temperature in Inno-shima, Japan, is 20.9°C (69.6°F). Note: For most individuals, swimming in 20.9°C (69.6°F) is not enjoyable. Weather in November »

Weather in December

In December, the average sea temperature in Inno-shima, Japan, is 17.7°C (63.9°F). Note: For most, swimming in 17.7°C (63.9°F) is not an enjoyable activity. Weather in December »
Updated: Jan 31, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

What is the month with the coldest sea water in Inno-shima?

The month with the coldest seawater in Inno-shima is February, with an average sea temperature of 13.7°C (56.7°F).

When are the longest days in Inno-shima?

June has the longest days of the year in Inno-shima, with an average of 14h and 24min of daylight.

What month is the sea warmest in Inno-shima?

With an average sea temperature of 27.2°C (81°F), August is the month with the warmest seawater.

What is the month with the shortest days in Inno-shima?

With an average of 9h and 54min of daylight, December has the shortest days of the year in Inno-shima, Japan.

Is there Daylight Saving Time (DST) in Inno-shima?

Inno-shima does not observe Daylight Saving Time (DST). JST timezone is used throughout the entire year.

Average sea temperature
Inno-shima, Japan

Average sea temperature - Inno-shima, Japan

The best month for swimming (with the highest average sea temperature) is August (27.2°C).
The coldest month (with the lowest average sea temperature) is February (13.7°C).

Average daylight
Inno-shima, Japan

Average daylight - Inno-shima, Japan

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

Inno-shima, Japan

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location