May weather forecastNarashino, Japan
May
Weather in May
Sea temperature
In Narashino, Japan, in May, the average water temperature is 18.4°C (65.1°F).Note: The majority of individuals find swimming in 18.4°C (65.1°F) to be unenjoyable. The difficulty in controlling breathing rises as the temperature decreases from 21°C (69.8°F) to 15°C (59°F).
Daylight
The average length of the day in May is 14h and 3min.On the first day of the month, sunrise is at 04:47 and sunset at 18:26. On the last day of May, in Narashino, sunrise is at 04:25 and sunset at 18:49 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 Narashino, Japan, the average seawater temperature in May is 18.4°C (65.1°F). Swimming in 18.4°C (65.1°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 May, the average day length in Narashino is 14h and 3min.
In May, on the first day of the month, sunrise is at 04:47 and sunset at 18:26. On the last day of the month, sunrise is at 04:25 and sunset at 18:49 JST.
Average sea temperature in May
Narashino, Japan
- Average sea temperature in May: 18.4°C
The best month for swimming (with the highest average sea temperature) is August (25.3°C).
The coldest month (with the lowest average sea temperature) is February (14.4°C).
Average daylight in May
Narashino, 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).





