Oarai
Japan
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Oarai, Japan

In Oarai, Japan, the average seawater temperature in January is 14°C (57.2°F). Note: Swimming in 14°C (57.2°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique. Weather in January »
The month with the coldest seawater in Oarai, Japan, is February, with an average sea temperature of 11.7°C (53.1°F). Note: Swimming in 11.7°C (53.1°F) is considered life-threatening. Weather in February »

In Oarai, Japan, the average seawater temperature in March is 12.1°C (53.8°F). Note: Swimming in 12.1°C (53.8°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique. Weather in March »

In April, the average sea temperature in Oarai, Japan, is 15.3°C (59.5°F). Note: For most, swimming in 15.3°C (59.5°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F). Weather in April »

In May, the average sea temperature in Oarai, Japan, is 16.8°C (62.2°F). Note: For most, swimming in 16.8°C (62.2°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F). Weather in May »

In June, the average sea temperature in Oarai, Japan, is 19.3°C (66.7°F). Note: Swimming in 19.3°C (66.7°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F). Weather in June »

In Oarai, Japan, in July, the average water temperature is 21.8°C (71.2°F). Note: For most, swimming in 21.8°C (71.2°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F). Weather in July »

With an average sea temperature of 23.6°C (74.5°F), August is the month with the warmest seawater in Oarai, Japan. Note: A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 23.6°C (74.5°F) water. Weather in August »

In Oarai, Japan, the average seawater temperature in September is 23°C (73.4°F). Note: A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 23°C (73.4°F) water. Weather in September »

In Oarai, Japan, the average seawater temperature in October is 19.7°C (67.5°F). Note: For swimming, a surface water temperature of 19.7°C (67.5°F) is not enjoyable for the majority. Weather in October »

In Oarai, Japan, in November, the average water temperature is 17.2°C (63°F). Note: For most, swimming in 17.2°C (63°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F). Weather in November »

In Oarai, Japan, the average seawater temperature in December is 14.3°C (57.7°F). Note: Swimming in 14.3°C (57.7°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique. Weather in December »

What is the month with the coldest sea water in Oarai?

February is the month with the coldest seawater, with an average sea temperature of 11.7°C (53.1°F).

When are the longest days in Oarai?

June has the longest days of the year in Oarai, with an average of 14.6h of daylight.

What month is the sea warmest in Oarai?

August is the month with the warmest seawater in Oarai, with an average sea temperature of 23.6°C (74.5°F).

What is the month with the shortest days in Oarai?

December has the shortest days of the year in Oarai, with an average of 9.7h of daylight.
Average sea temperature - Oarai, Japan

The best month for swimming (with the highest average sea temperature) is August (23.6°C).
The coldest month (with the lowest average sea temperature) is February (11.7°C).

Average daylight - Oarai, Japan

The month with the longest days is June (Average daylight: 14.6h).
The month with shortest days is December (Average daylight: 9.7h).