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Vaasa in December

Find out everything about the water temperature in Vaasa 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:

32.0 °F

Average:

33.5 °F

Maximum:

38.1 °F

Sea water temperature in Vaasa in December

In the city of Vaasa, the month of December is too cold for swimming. The minimum recorded temperature during this month was 32.0°F on December 18, 2016, with an average temperature being 33.5°F and a maximum temperature reaching 38.1°F on December 1, 2015.

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 33.5°F throughout the month, with minimal changes.
Date 10 years average 2023 2022
Dec 1 35.5°F 33.3°F 36.2°F
Dec 2 35.2°F 33.4°F 36.2°F
Dec 3 34.8°F 33.5°F 35.7°F
Dec 4 34.7°F 33.3°F 35.3°F
Dec 5 34.5°F 33.3°F 34.8°F
Dec 6 34.6°F 33.3°F 34.7°F
Dec 7 34.2°F 33.2°F 33.8°F
Dec 8 33.9°F 32.9°F 33.6°F
Dec 9 33.7°F 32.8°F 33.5°F
Dec 10 33.7°F 33.0°F 33.7°F
Dec 11 33.9°F 33.2°F 33.9°F
Dec 12 33.8°F 33.2°F 33.8°F
Dec 13 33.7°F 33.0°F 33.7°F
Dec 14 33.6°F 33.0°F 33.6°F
Dec 15 33.4°F 33.0°F 33.6°F
Dec 16 33.4°F 32.9°F 33.0°F
Dec 17 33.3°F 32.9°F 32.6°F
Dec 18 32.9°F 32.1°F 32.5°F
Dec 19 33.0°F 32.0°F 32.4°F
Dec 20 33.3°F 32.2°F 32.5°F
Dec 21 32.9°F 32.0°F 32.3°F
Dec 22 33.0°F 32.0°F 32.2°F
Dec 23 32.9°F 32.0°F 32.0°F
Dec 24 32.7°F 32.0°F 32.0°F
Dec 25 32.6°F 32.0°F 32.0°F
Dec 26 32.6°F 32.0°F 32.0°F
Dec 27 32.4°F 32.0°F 32.0°F
Dec 28 32.3°F 32.0°F 32.0°F
Dec 29 32.1°F 32.0°F 32.0°F
Dec 30 32.3°F 32.0°F 32.0°F
Dec 31 32.2°F 32.0°F 32.0°F

Sea water temperature in Vaasa by month

In an average year, Vaasa offers no days when the water temperature is warm enough to swim comfortably. The warmest water in Vaasa was recorded on July 1, 2022, reaching a 73.5°F. While the coldest temperature occurred on January 1, 2018, dipping to 32.0°F. The average readings by season are 32.5°F in Winter, 37.1°F in Spring, 61.9°F in Summer, and 47.3°F in Autumn. December's average temperature is a slight drop from November's average of 39.0°F. In January, the temperature is expected to decrease further, potentially averaging around 32.0°F.