May weather forecastOmuta, Japan
May
Weather in May
Sea temperature
In Omuta, Japan, in May, the average water temperature is 18.7°C (65.7°F).Note: The majority of individuals do not enjoy swimming in water that is 18.7°C (65.7°F). Breathing control becomes more challenging as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).
Daylight
In Omuta, the average length of the day in May is 13h and 52min.On the first day of May, sunrise is at 05:30 and sunset at 19:00. On the last day of the month, sunrise is at 05:10 and sunset at 19:21 JST.
Updated: Jun 17, 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 Omuta, the average seawater temperature in May is 18.7°C (65.7°F). Swimming in 18.7°C (65.7°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 Omuta, the average day length in May is 13h and 52min.
On the first day of May, sunrise is at 05:30 and sunset at 19:00. On the last day of the month, sunrise is at 05:10 and sunset at 19:21 JST.
Average sea temperature in May
Omuta, Japan
- Average sea temperature in May: 18.7°C
The best month for swimming (with the highest average sea temperature) is August (27.6°C).
The coldest month (with the lowest average sea temperature) is March (14.4°C).
Average daylight in May
Omuta, Japan
- Average daylight in May: 13h and 54min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).





