Weather in Japan in August

So you're interested in going to Japan in August

August is a hot and slightly rainy time for sunbathing in Japan. August is an excellent month for swimming in Japan with very warm sea temperatures. Consider visiting Japan in the months of June, July, August, September, for the best beach weather. Also consider one of our other suggestions for August.

Temperature in Japan in August

The average maximum temperature in Japan in August is 31°. The average maximum temperature is 31° in the previous month and 30° in the next month.

The average temperature in Japan in August is 29°. The average temperature ranges is 29° in the previous month and 28° in the next month.

The average minimum temperature in Japan in August is 27°. The minimum temperature is 27° in the previous month and 25° in the next month.

Sunshine in Japan in August

The average day light hours per day in Japan in August are 13.1 and there are 6.4 hours of sunshine per day on average during August making it a quite sunny month with some cloud cover.

The ultraviolet index in Japan in August is typically 12.2 during August. 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.

Sea Temperature in Japan in August

The average sea water temperature in Japan in August is 28.6° which is very warm and ideal for relaxing and swimming for the whole day.

Rainfall in Japan in August

The average total rainfall in Japan in August is 2.2cm and on average there are 14.7 rainy days in August making it a slightly wet time to visit the beach.

Humidity in Japan in August

The maximum dew point (an indicator of humidity) in Japan in August is 26° which is very uncomfortable and fairly oppressive unless you are on a beach. At night you would most likely require airconditioning. The dew point is 26° in the previous month and 24° in the next month.

The average maximum relative humidity in Japan in August is typically 89%. The maximum relative humidity is 88.1% in the previous month and 87.3% in the next month.

The average relative humidity in Japan in August is typically 78%. The average relative humidity is 77.2% in the previous month and 75.6% in the next month.

Wind Speed in Japan in August

The average maximum wind speed in Japan in August is typically 26kmh. The average maximum wind speed is 26kmh in the previous month and 26kmh in the next month.

The average wind speed in Japan in August is typically 18kmh. The average wind speed is 19kmh in the previous month and 18kmh in the next month.

The average wind direction in Japan in August is from the South East.

Monthly Averages

Suggested Beaches in August

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