Weather in August
An excellent water temperature of 25.7°C (78.3°F) makes
August in
Ichikawa,
Japan, a prime for swimming and other water activities.
Sea temperature
The month with the warmest seawater is August, with an average sea temperature of 25.7°C (78.3°F).
Note: Temperatures between 25°C (77°F) and 29°C (84.2°F) in water are ideal for swimming, diving, and other activities, providing enjoyment and comfort for extended durations.
Daylight
In Ichikawa, the average length of the day in August is 13h and 29min.
On the first day of the month, sunrise is at 04:48 and sunset at 18:44. On the last day of August, sunrise is at 05:11 and sunset at 18:09 JST.