Annual average weather for Shirahama Beach, Nishimuro, Japan

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Annual Average Weather for Shirahama Beach, Nishimuro, Japan

The annual average maximum daily temperature is 20.4°C (68.7°F) which is warm and makes sunbathing pleasant on clear days. The annual average water temperature is typically 22.0°C (71.7°F) which is warm and pleasant for relaxing and swimming for long periods. Annually there are on average 10.2 days of rain per month and 5.9 hours of sun per day.

When is the best time to visit Shirahama Beach?

The best months to visit Shirahama Beach are June, July, August, September, for the best beach weather, the most sunshine and optimal sunbathing and swimming conditions with the least chance of rain.

The weather is perfect for sunbathing in the months from July to September when the maximum temperature reaches above 26°C (72°F)

The sea is best for swimming between June and November when the sea temperature is above the average 22°C (72°F) which is warm and pleasant for relaxing and swimming for long periods.

Can you sunbathe in Shirahama Beach year round?

No, you can't sunbathe in Shirahama Beach all year round. Some months are too cold for sunbathing, however you might enjoy other beach activities such as taking a walk, going hiking along trails or just enjoying the scenery.

The weather is best for sunbathing in the months from July to September when the maximum temperature reaches above 26°C (72°F)

More info about the annual temperatures and sunshine.

Can you swim in Shirahama Beach year round?

No, you can't swim in Shirahama Beach all year round.

The warmest sea water temperatures in Shirahama Beach are found in August when they peak at 28°C (83°F) and lowest in March when they dip to 17°C (62°F).

The sea temperature is above average for swimming between June and November when the sea temperature is above 22°C (72°F) which is warm and pleasant for relaxing and swimming for long periods.

For perfect swimming and lounging all day, try the months from July to September when the sea temperature is above 26°C (79°F)

More info about the annual sea temperatures

When is the hottest month in Shirahama Beach?

The hottest month in Shirahama Beach is August when the average maximum temperature is very hot and perfect for sunbathing on clear days 31°C (87°F), average temperature is 29°C (83°F) and average minimum temperature is 26°C (80°F).

More info about the annual temperatures and sunshine.

When is the coldest month in Shirahama Beach?

The coolest month in Shirahama Beach is January when the average maximum temperature is 10°C (50°F), average temperature is 7°C (45°F) and average minimum temperature is 5°C (41°F).

More info about the annual temperatures and sunshine

When is the sunniest month in Shirahama Beach?

The sunniest days in Shirahama Beach are in July which has the most hours of sunshine per day. In July the sunshine percentage is 52% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 6.8 hours of sunshine per day.

More info about the annual sunshine.

When is the least sunny month in Shirahama Beach?

December has the least sunshine. In December the sunshine percentage is 44% making it quite sunny but with regular periods of cloudy and overcast skies. There are 4.8 hours of sunshine per day.

More info about the annual sunshine.

When is the sea the coldest in Shirahama Beach?

The coldest sea water temperatures in Shirahama Beach are found in March when they dip to 17°C (62°F) which is cool for swimming, shorty wetsuit may help you extend your time in the water.

More info about the annual sea temperatures.

When is the sea the warmest in Shirahama Beach?

The warmest sea water temperatures in Shirahama Beach are found in August when they peak at 28°C (83°F) which is very warm and ideal for relaxing and swimming for the whole day.

More info about the annual sea temperatures.

When is the most humid month in Shirahama Beach?

The most humid month in Shirahama Beach is August with a dew point (an indicator of humidity) of 25°C (77°F) which is very uncomfortable and fairly oppressive unless you are on a beach. At night you would most likely require airconditioning.

More info about the annual humidity.

When is the least humid month in Shirahama Beach?

The least humid month in Shirahama Beach is January with a dew point of 1°C (35°F) which is a bit dry for some.

More info about the annual humidity.

When is the windiest month in Shirahama Beach?

The most windy month in Shirahama Beach is December when the average maximum windspeed is 27KM/H (17MPH) and the average wind speed is 18KM/H (11MPH).

More info about the annual wind conditions.

Annual Temperature for Shirahama Beach

The hottest month in Shirahama Beach is August when the average maximum temperature is 31°C (87°F), average temperature is 29°C (83°F) and average minimum temperature is 26°C (80°F).

The coolest month in Shirahama Beach is January when the average maximum temperature is 10°C (10°F), average temperature is 7°C (45°F) and average minimum temperature is 5°C (41°F).

Annual Sunshine for Shirahama Beach

The longest days in Shirahama Beach are in June, with an average of 14.4 hours of daylight per day. December has the shortest days with an average of 9.9 hours of daylight per day.

The sunniest days in Shirahama Beach are in July which has the most hours of sunshine per day. The sunshine percentage is 52% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 6.8 hours of sunshine per day.

December has the least sunshine. The sunshine percentage is 44% making it quite sunny but with regular periods of cloudy and overcast skies. There are 4.8 hours of sunshine per day.

The ultraviolet index is the highest in July when it reaches 11.4 and lowest in December when it reaches 3.1.

An ultraviolet index reading above 11 indicates an extreme risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 10 minutes. Take all precautions because unprotected skin and eyes can burn in minutes. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.

Annual Sea Temperature for Shirahama Beach

The warmest sea water temperatures in Shirahama Beach are found in August when they peak at 28°C (83°F) and lowest in March when they dip to 17°C (62°F).

The sea is best for swimming between June and November when the temperature is above 22°C (72°F) which is warm and pleasant for relaxing and swimming for long periods.

Annual Humidity for Shirahama Beach

The most humid month in Shirahama Beach is August with a dew point (an indicator of humidity) of 25°C (77°F) which is very uncomfortable and fairly oppressive unless you are on a beach. At night you would most likely require airconditioning.

The least humid month in Shirahama Beach is January with a dew point of 1°C (35°F) which is a bit dry for some.

Annual Wind Speed for Shirahama Beach

The most windy month in Shirahama Beach is December when the average maximum windspeed is 27KM/H (17MPH) and the average wind speed is 18KM/H (11MPH).

The least windy month in Shirahama Beach is June when the average maximum windspeed is 19KM/H (12MPH) and the average wind speed is 11KM/H (7MPH).

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