April weather forecastAioi, Japan
April
Weather in April
Sea temperature
In Aioi, Japan, in April, the average water temperature is 15.3°C (59.5°F).Note: For the majority, swimming in water with a temperature of 15.3°C (59.5°F) is not enjoyable. The difficulty in managing 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 April is 13h and 4min.On the first day of the month, sunrise is at 05:48 and sunset at 18:23. On the last day of April, sunrise is at 05:12 and sunset at 18:46 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 Aioi, Japan, in April, the average water temperature is 15.3°C (59.5°F). For most, swimming in 15.3°C (59.5°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).
In Aioi, Japan, the average day length in April is 13h and 4min.
On the first day of April in Aioi, sunrise is at 05:48 and sunset at 18:23. On the last day of the month, sunrise is at 05:12 and sunset at 18:46 JST.
Average sea temperature in April
Aioi, Japan
- Average sea temperature in April: 15.3°C
The best month for swimming (with the highest average sea temperature) is August (27.4°C).
The coldest months (with the lowest average sea temperature) are February and March (13.8°C).
Average daylight in April
Aioi, Japan
- Average daylight in April: 13h and 6min
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 54min).





