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Porvoo in December

Find out everything about the water temperature in Porvoo 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:

32.5 °F

Average:

36.3 °F

Maximum:

41.1 °F

Sea water temperature in Porvoo in December

In the city of Porvoo, the month of December is too cold for swimming. The minimum recorded temperature during this month was 32.5°F on December 31, 2014, with an average temperature being 36.3°F and a maximum temperature reaching 41.1°F on December 1, 2018.

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 36.3°F throughout the month, with minimal changes.
Date 10 years average 2023 2022
Dec 1 38.9°F 36.3°F 38.8°F
Dec 2 38.5°F 36.1°F 38.5°F
Dec 3 38.2°F 35.7°F 38.2°F
Dec 4 37.9°F 35.4°F 37.8°F
Dec 5 37.8°F 35.3°F 37.6°F
Dec 6 37.6°F 35.2°F 37.2°F
Dec 7 37.2°F 34.7°F 36.9°F
Dec 8 37.2°F 34.5°F 36.6°F
Dec 9 36.9°F 34.4°F 36.8°F
Dec 10 36.9°F 34.2°F 36.5°F
Dec 11 36.8°F 34.2°F 36.4°F
Dec 12 36.6°F 34.0°F 36.1°F
Dec 13 36.3°F 33.9°F 35.9°F
Dec 14 36.3°F 34.0°F 35.8°F
Dec 15 36.0°F 33.7°F 35.6°F
Dec 16 35.9°F 33.5°F 35.3°F
Dec 17 35.9°F 34.4°F 35.4°F
Dec 18 35.7°F 33.1°F 35.5°F
Dec 19 35.9°F 33.5°F 35.4°F
Dec 20 36.1°F 33.6°F 35.4°F
Dec 21 35.2°F 32.8°F 35.2°F
Dec 22 35.3°F 32.8°F 35.2°F
Dec 23 35.4°F 32.9°F 35.1°F
Dec 24 35.4°F 33.0°F 34.8°F
Dec 25 35.4°F 33.0°F 34.1°F
Dec 26 35.3°F 33.2°F 33.9°F
Dec 27 35.1°F 33.3°F 33.8°F
Dec 28 35.2°F 33.5°F 33.9°F
Dec 29 34.8°F 33.5°F 33.1°F
Dec 30 34.7°F 33.5°F 33.0°F
Dec 31 34.5°F 33.6°F 32.6°F

Sea water temperature in Porvoo by month

In an average year, Porvoo offers no days when the water temperature is warm enough to swim comfortably. The warmest water in Porvoo was recorded on August 3, 2018, reaching a 75.9°F. While the coldest temperature occurred on January 4, 2022, dipping to 32.0°F. The average readings by season are 33.7°F in Winter, 38.0°F in Spring, 61.5°F in Summer, and 50.0°F in Autumn. December's average temperature is a slight drop from November's average of 42.2°F. In January, the temperature is expected to decrease further, potentially averaging around 32.9°F.

Popular neighboring cities and resorts

City Water temperature* Distance**
Helsinki 43.0°F 29mi
Maardu 46.7°F 68mi
Loo 46.8°F 71mi
Tallinn 46.6°F 73mi

* current water temperature in this city

** straight line distance from Porvoo