May weather forecastNagato, Japan
May
Weather in May
Sea temperature
In May, the average sea temperature in Nagato, Japan, is 17.5°C (63.5°F).Note: For most, swimming in 17.5°C (63.5°F) is not a pleasant activity. Breathing becomes increasingly challenging as water temperature descends from 21°C (69.8°F) to 15°C (59°F).
Daylight
The average length of the day in May is 13h and 57min.On the first day of May, sunrise is at 05:25 and sunset at 18:59. On the last day of the month, sunrise is at 05:04 and sunset at 19:21 JST.
Updated: Jan 31, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In Nagato, the average seawater temperature in May is 17.5°C (63.5°F). Swimming in 17.5°C (63.5°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).
In Nagato, Japan, the average day length in May is 13h and 57min.
On the first day of May, sunrise is at 05:25 and sunset at 18:59. On the last day of the month, sunrise is at 05:04 and sunset at 19:21 JST.
Average sea temperature in May
Nagato, Japan
- Average sea temperature in May: 17.5°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 March (13.4°C).
Average daylight in May
Nagato, 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).





