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Härnösand in December

Find out everything about the water temperature in Härnösand 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:

33.8 °F

Average:

37.7 °F

Maximum:

41.3 °F

Sea water temperature in Härnösand in December

In the city of Härnösand, the month of December is too cold for swimming. The minimum recorded temperature during this month was 33.8°F on December 31, 2023, with an average temperature being 37.7°F and a maximum temperature reaching 41.3°F on December 3, 2020.

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 37.7°F throughout the month, with minimal changes.
Date 10 years average 2023 2022
Dec 1 39.8°F 38.3°F 39.3°F
Dec 2 39.7°F 38.2°F 39.1°F
Dec 3 39.4°F 37.9°F 38.8°F
Dec 4 39.2°F 37.4°F 38.4°F
Dec 5 39.0°F 36.9°F 38.9°F
Dec 6 38.9°F 36.6°F 38.2°F
Dec 7 38.7°F 36.2°F 37.4°F
Dec 8 38.5°F 36.0°F 37.3°F
Dec 9 38.2°F 35.7°F 37.1°F
Dec 10 38.1°F 35.9°F 37.2°F
Dec 11 38.1°F 36.0°F 37.0°F
Dec 12 38.0°F 35.9°F 36.9°F
Dec 13 37.8°F 35.8°F 37.1°F
Dec 14 37.5°F 34.8°F 37.0°F
Dec 15 37.5°F 34.9°F 36.8°F
Dec 16 37.2°F 34.7°F 36.5°F
Dec 17 37.2°F 34.4°F 35.4°F
Dec 18 36.9°F 34.2°F 35.3°F
Dec 19 37.2°F 34.4°F 36.4°F
Dec 20 37.4°F 34.7°F 36.4°F
Dec 21 37.2°F 35.3°F 36.0°F
Dec 22 37.2°F 35.1°F 35.8°F
Dec 23 37.0°F 34.6°F 35.8°F
Dec 24 37.0°F 34.4°F 34.8°F
Dec 25 36.9°F 34.0°F 34.7°F
Dec 26 37.0°F 34.0°F 34.8°F
Dec 27 36.8°F 33.9°F 34.7°F
Dec 28 36.6°F 34.1°F 35.0°F
Dec 29 36.3°F 33.9°F 35.5°F
Dec 30 36.3°F 34.1°F 35.5°F
Dec 31 36.2°F 33.8°F 35.2°F

Sea water temperature in Härnösand by month

In an average year, Härnösand offers no days when the water temperature is warm enough to swim comfortably. The warmest water in Härnösand was recorded on July 26, 2014, reaching a 70.9°F. While the coldest temperature occurred on January 24, 2016, dipping to 32.0°F. The average readings by season are 35.2°F in Winter, 36.7°F in Spring, 57.6°F in Summer, and 48.6°F in Autumn. December's average temperature is a slight drop from November's average of 42.0°F. In January, the temperature is expected to decrease further, potentially averaging around 34.9°F.