April
Weather in April
Sea temperature
In Hasaki, Japan, the average seawater temperature in April is 16.9°C (62.4°F).Note: Most people do not enjoy swimming in water that is 16.9°C (62.4°F). Breathing becomes increasingly challenging as the water temperature dips under 21°C (69.8°F).
Daylight
The average length of the day in April is 13h and 6min.On the first day of the month, sunrise is at 05:22 and sunset at 17:58. On the last day of April, sunrise is at 04:45 and sunset at 18:22 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
How cold is the water in April in Hasaki?
In April, the average sea temperature is 16.9°C (62.4°F). For most, swimming in 16.9°C (62.4°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).
What is the average length of the day in April in Hasaki?
The average day length in April is 13h and 6min.
What time are sunrise and sunset in April in Hasaki?
On the first day of April, sunrise is at 05:22 and sunset at 17:58. On the last day of the month, sunrise is at 04:45 and sunset at 18:22 JST.
Average sea temperature in April
Hasaki, Japan
- Average sea temperature in April: 16.9°C
The best month for swimming (with the highest average sea temperature) is August (25.2°C).
The coldest month (with the lowest average sea temperature) is February (14.7°C).
Average daylight in April
Hasaki, Japan
- Average daylight in April: 13h and 1min
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).
