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Haikou in December

Find out everything about the water temperature in Haikou 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:

66.1 °F

Average:

71.9 °F

Maximum:

78.2 °F

Sea water temperature in Haikou in December

In the city of Haikou, the month of December is somewhat comfortable for swimming. The minimum recorded temperature during this month was 66.1°F on December 31, 2014, with an average temperature being 71.9°F and a maximum temperature reaching 78.2°F on December 1, 2022.

While some may find it enjoyable for a brief swim, others might consider it a bit too cold for extended periods in the water. Throughout the month of December, the sea temperature gradually gets colder. Starting with an average temperature of 74.2°F at the beginning of the month, it steadily decreases to around 69.8°F by the end.
Date 10 years average 2023 2022
Dec 1 75.6°F 74.8°F 78.2°F
Dec 2 75.1°F 74.6°F 77.7°F
Dec 3 74.9°F 74.3°F 77.2°F
Dec 4 74.6°F 74.1°F 76.7°F
Dec 5 74.2°F 73.8°F 76.1°F
Dec 6 73.8°F 73.5°F 75.6°F
Dec 7 73.6°F 73.4°F 75.2°F
Dec 8 73.6°F 74.7°F 75.0°F
Dec 9 73.3°F 74.5°F 74.2°F
Dec 10 73.1°F 74.9°F 73.7°F
Dec 11 73.0°F 75.0°F 74.0°F
Dec 12 72.8°F 75.4°F 73.1°F
Dec 13 72.7°F 75.2°F 73.0°F
Dec 14 72.7°F 75.4°F 73.1°F
Dec 15 72.4°F 75.6°F 72.7°F
Dec 16 72.2°F 75.4°F 72.3°F
Dec 17 71.8°F 75.0°F 72.1°F
Dec 18 71.4°F 74.6°F 71.8°F
Dec 19 71.0°F 74.1°F 70.7°F
Dec 20 70.6°F 73.7°F 70.4°F
Dec 21 70.8°F 73.9°F 70.2°F
Dec 22 70.5°F 73.2°F 69.6°F
Dec 23 70.2°F 72.7°F 69.0°F
Dec 24 70.1°F 72.3°F 67.7°F
Dec 25 69.9°F 71.9°F 68.0°F
Dec 26 69.7°F 71.5°F 67.8°F
Dec 27 69.6°F 71.2°F 67.7°F
Dec 28 69.6°F 71.0°F 68.3°F
Dec 29 69.4°F 70.3°F 68.3°F
Dec 30 69.2°F 70.1°F 68.2°F
Dec 31 69.1°F 70.2°F 67.7°F

Sea water temperature in Haikou by month

In Haikou, the months April through November offer comfortable swimming conditions, which amounts to 253 swimming days. The warmest water in Haikou was recorded on July 30, 2020, reaching a 89.2°F. While the coldest temperature occurred on February 14, 2018, dipping to 61.6°F. The average readings by season are 69.2°F in Winter, 75.9°F in Spring, 85.4°F in Summer, and 81.4°F in Autumn. December's average temperature is a slight drop from November's average of 77.6°F. In January, the temperature is expected to decrease further, potentially averaging around 67.9°F.