Weather in August
An excellent water temperature of 27.3°C (81.1°F) makes
August in
Marugame,
Japan, a prime for swimming and other water activities.
Sea temperature
With an average sea temperature of 27.3°C (81.1°F), August is the month with the warmest seawater.
Note: Swimming, diving, and other water endeavors at temperatures between 25°C (77°F) and 29°C (84.2°F) are considered enjoyable and satisfying for extended periods without discomfort.
Daylight
In August, the average length of the day is 13h and 25min.
On the first day of the month, sunrise is at 05:15 and sunset at 19:06. On the last day of August, sunrise is at 05:37 and sunset at 18:32 JST.
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