May weather forecastNumazu, Japan
May
Weather in May
Sea temperature
In Numazu, Japan, in May, the average water temperature is 18.9°C (66°F).Note: When the surface water temperature is 18.9°C (66°F), most do not enjoy swimming. Breathing control becomes more complex as temperatures drop below 21°C (69.8°F).
Daylight
The average length of the day in May is 14h and 1min.On the first day of the month, sunrise is at 04:53 and sunset at 18:30. On the last day of May, sunrise is at 04:31 and sunset at 18:52 JST.
Updated: Jul 25, 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 May, the average sea temperature is 18.9°C (66°F). For swimming, a surface water temperature of 18.9°C (66°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).
In May, the average day length is 14h and 1min.
On the first day of May, sunrise is at 04:53 and sunset at 18:30. On the last day of the month, sunrise is at 04:31 and sunset at 18:52 JST.
Average sea temperature in May
Numazu, Japan
- Average sea temperature in May: 18.9°C
The best month for swimming (with the highest average sea temperature) is August (26.3°C).
The coldest month (with the lowest average sea temperature) is February (14.9°C).
Average daylight in May
Numazu, Japan
- Average daylight in May: 14h and 0min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
