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Hakodate in April

Find out everything about the water temperature in Hakodate in April. Average, minimum and maximum recorded temperatures as well as daily temperature in April for the last two years. Compare the current month's sea temperature data with other months of the year.
Water temperature in April
Minimum:

41.8 °F

Average:

46.8 °F

Maximum:

51.2 °F

Sea water temperature in Hakodate in April

In the city of Hakodate, the month of April is too cold for swimming. The minimum recorded temperature during this month was 41.8°F on April 11, 2014, with an average temperature being 46.8°F and a maximum temperature reaching 51.2°F on April 25, 2024.

Swing in the water of such temperature might lead to potential hypothermia within just a few minutes. In April, the sea temperature remains relatively stable. The average temperature stays close to 46.8°F throughout the month, with minimal changes.
Date 10 years average 2024 2023
Apr 1 46.0°F 45.6°F 48.6°F
Apr 2 46.0°F 45.6°F 47.6°F
Apr 3 46.0°F 45.5°F 47.2°F
Apr 4 46.0°F 46.8°F 46.9°F
Apr 5 45.8°F 46.5°F 46.6°F
Apr 6 46.1°F 46.0°F 46.5°F
Apr 7 46.3°F 46.9°F 46.4°F
Apr 8 46.5°F 47.2°F 47.7°F
Apr 9 46.3°F 47.0°F 46.8°F
Apr 10 46.0°F 47.2°F 46.9°F
Apr 11 45.8°F 47.0°F 44.8°F
Apr 12 46.0°F 46.8°F 47.1°F
Apr 13 46.1°F 47.4°F 46.2°F
Apr 14 46.1°F 46.6°F 46.1°F
Apr 15 46.2°F 46.4°F 47.6°F
Apr 16 46.6°F 46.4°F 48.3°F
Apr 17 46.9°F 48.3°F 48.7°F
Apr 18 46.7°F 48.0°F 49.0°F
Apr 19 47.2°F 49.7°F 48.7°F
Apr 20 47.0°F 48.7°F 48.7°F
Apr 21 47.0°F 48.6°F 49.1°F
Apr 22 47.1°F 47.8°F 48.8°F
Apr 23 47.3°F 48.5°F 49.3°F
Apr 24 48.0°F 49.6°F 49.3°F
Apr 25 48.0°F 51.2°F 48.6°F
Apr 26 47.9°F 49.6°F 48.2°F
Apr 27 48.0°F 48.9°F 49.7°F
Apr 28 48.0°F 49.9°F 49.3°F
Apr 29 48.0°F 50.3°F 49.5°F
Apr 30 48.4°F 49.6°F 49.8°F

Sea water temperature in Hakodate by month

In Hakodate, August is the only month that offers comfortable swimming conditions. The amount of days when the water is warm enough is only 37. The warmest water in Hakodate was recorded on September 1, 2023, reaching a 82.2°F. While the coldest temperature occurred on February 23, 2014, dipping to 38.9°F. The average readings by season are 49.1°F in Winter, 47.9°F in Spring, 66.5°F in Summer, and 65.7°F in Autumn. The average temperature in April is slightly warmer than March's average of 44.9°F. And in May, the temperature is expected to rise further, potentially reaching an average of 52.0°F.