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Anchorage in December

Find out everything about the water temperature in Anchorage 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:

32.6 °F

Average:

36.8 °F

Maximum:

38.6 °F

Sea water temperature in Anchorage in December

In the city of Anchorage, the month of December is too cold for swimming. The minimum recorded temperature during this month was 32.6°F on December 16, 2019, with an average temperature being 36.8°F and a maximum temperature reaching 38.6°F on December 8, 2014.

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 36.8°F throughout the month, with minimal changes.
Date 10 years average 2024 2023
Dec 1 37.0°F 36.4°F 36.7°F
Dec 2 36.8°F 36.6°F 34.4°F
Dec 3 36.8°F 36.7°F 33.7°F
Dec 4 36.8°F 36.7°F 34.0°F
Dec 5 37.0°F 36.8°F 34.3°F
Dec 6 36.8°F 36.9°F 34.6°F
Dec 7 36.9°F 36.9°F 34.8°F
Dec 8 37.0°F 36.9°F 34.9°F
Dec 9 37.0°F 36.9°F 35.1°F
Dec 10 37.0°F 36.9°F 35.3°F
Dec 11 37.1°F 37.0°F 35.4°F
Dec 12 37.0°F 37.0°F 35.6°F
Dec 13 37.0°F 37.0°F 35.2°F
Dec 14 36.9°F 37.0°F 35.2°F
Dec 15 36.8°F 36.9°F 35.2°F
Dec 16 36.6°F 36.9°F 35.3°F
Dec 17 36.7°F 36.9°F 35.4°F
Dec 18 36.7°F 36.9°F 35.5°F
Dec 19 36.7°F 36.9°F 35.5°F
Dec 20 36.8°F 36.8°F 35.6°F
Dec 21 36.7°F 36.8°F 35.6°F
Dec 22 36.7°F 36.9°F 35.8°F
Dec 23 36.8°F 37.0°F 35.9°F
Dec 24 36.8°F 37.0°F 36.0°F
Dec 25 36.9°F 37.0°F 36.1°F
Dec 26 37.0°F 37.1°F 36.2°F
Dec 27 36.9°F 37.1°F 35.8°F
Dec 28 36.8°F 37.0°F 35.8°F
Dec 29 36.9°F 37.0°F 35.8°F
Dec 30 36.9°F 37.0°F 35.8°F
Dec 31 36.9°F 37.1°F 35.8°F

Sea water temperature in Anchorage by month

In an average year, Anchorage offers no days when the water temperature is warm enough to swim comfortably. The warmest water in Anchorage was recorded on July 11, 2019, reaching a 62.4°F. While the coldest temperature occurred on February 1, 2014, dipping to 32.0°F. The average readings by season are 36.3°F in Winter, 38.1°F in Spring, 56.3°F in Summer, and 45.8°F in Autumn. December's average temperature is a slight drop from November's average of 38.5°F. In January, the temperature is expected to decrease further, potentially averaging around 36.7°F.