April weather forecastHasaki, Japan

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.

Frequently asked questions

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).

The average day length in April is 13h and 6min.

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
Average daylight

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 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 48min).