Weather in May
Sea temperature
In May, the average sea temperature in Inno-shima, Japan, is 18.1°C (64.6°F).Note: For the majority of people, swimming in water at 18.1°C (64.6°F) is not enjoyable. The challenge of controlling breathing escalates as the temperature decreases from 21°C (69.8°F) to 15°C (59°F).
Daylight
In May, the average length of the day is 13h and 57min.On the first day of the month, sunrise is at 05:17 and sunset at 18:51. On the last day of May, in Inno-shima, sunrise is at 04:56 and sunset at 19:13 JST.
Frequently asked questions
How cold is the water in May in Inno-shima?
In May, the average sea temperature in Inno-shima, Japan, is 18.1°C (64.6°F). Swimming in 18.1°C (64.6°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).
What is the average length of the day in May in Inno-shima?
In Inno-shima, the average day length in May is 13h and 57min.
What time are sunrise and sunset in May in Inno-shima?
In May, on the first day of the month, sunrise is at 05:17 and sunset at 18:51. On the last day of the month, in Inno-shima, Japan, sunrise is at 04:56 and sunset at 19:13 JST.
Average sea temperature in May
Inno-shima, Japan
- Average sea temperature in May: 18.1°C
The best month for swimming (with the highest average sea temperature) is August (27.2°C).
The coldest month (with the lowest average sea temperature) is February (13.7°C).
Average daylight in May
Inno-shima, Japan
- Average daylight in May: 14h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
Inno-shima, Japan
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