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Hakodate in December

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

44.9 °F

Average:

53.3 °F

Maximum:

58.6 °F

Sea water temperature in Hakodate in December

In the city of Hakodate, the month of December is too cold for swimming. The minimum recorded temperature during this month was 44.9°F on December 24, 2016, with an average temperature being 53.3°F and a maximum temperature reaching 58.6°F on December 9, 2021.

Swing in the water of such temperature might lead to potential hypothermia within just a few minutes. In December, the sea temperature remains relatively stable. The average temperature stays close to 53.3°F throughout the month, with minimal changes.
Date 10 years average 2024 2023
Dec 1 56.2°F 56.6°F 57.8°F
Dec 2 56.0°F 56.4°F 57.4°F
Dec 3 55.6°F 56.5°F 57.2°F
Dec 4 53.5°F 54.8°F 56.5°F
Dec 5 54.0°F 56.5°F 56.4°F
Dec 6 53.9°F 56.5°F 55.3°F
Dec 7 54.2°F 56.4°F 55.4°F
Dec 8 54.1°F 56.4°F 55.9°F
Dec 9 54.4°F 55.8°F 56.3°F
Dec 10 54.2°F 55.1°F 56.1°F
Dec 11 54.2°F 54.8°F 55.7°F
Dec 12 54.5°F 54.8°F 55.4°F
Dec 13 54.2°F 53.8°F 55.7°F
Dec 14 53.9°F 54.3°F 55.4°F
Dec 15 54.5°F 54.6°F 55.0°F
Dec 16 53.9°F 54.1°F 54.4°F
Dec 17 53.8°F 53.7°F 54.4°F
Dec 18 52.3°F 53.6°F 52.2°F
Dec 19 52.4°F 53.5°F 52.3°F
Dec 20 52.5°F 53.0°F 52.4°F
Dec 21 52.0°F 52.4°F 51.8°F
Dec 22 51.9°F 52.9°F 51.6°F
Dec 23 51.9°F 52.8°F 51.3°F
Dec 24 51.6°F 52.6°F 50.6°F
Dec 25 52.2°F 53.2°F 50.9°F
Dec 26 52.0°F 53.0°F 52.2°F
Dec 27 51.8°F 52.8°F 51.3°F
Dec 28 51.7°F 52.7°F 51.1°F
Dec 29 51.7°F 52.7°F 52.3°F
Dec 30 51.5°F 52.5°F 52.0°F
Dec 31 51.7°F 52.7°F 52.2°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 49.2°F in Winter, 47.9°F in Spring, 66.5°F in Summer, and 65.7°F in Autumn. December's average temperature is a slight drop from November's average of 58.2°F. In January, the temperature is expected to decrease further, potentially averaging around 48.6°F.