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Porvoo in October

Find out everything about the water temperature in Porvoo in October. Average, minimum and maximum recorded temperatures as well as daily temperature in October for the last two years. Compare the current month's sea temperature data with other months of the year.
Water temperature in October
Minimum:

42.9 °F

Average:

49.3 °F

Maximum:

58.6 °F

Sea water temperature in Porvoo in October

In the city of Porvoo, the month of October is too cold for swimming. The minimum recorded temperature during this month was 42.9°F on October 31, 2014, with an average temperature being 49.3°F and a maximum temperature reaching 58.6°F on October 1, 2024.

Swing in the water of such temperature might lead to potential hypothermia within just a few minutes. Throughout the month of October, the sea temperature gradually gets colder. Starting with an average temperature of 51.4°F at the beginning of the month, it steadily decreases to around 47.3°F by the end.
Date 10 years average 2024 2023
Oct 1 54.1°F 58.6°F 58.5°F
Oct 2 52.9°F 56.9°F 57.5°F
Oct 3 52.0°F 56.7°F 56.7°F
Oct 4 51.2°F 55.6°F 55.4°F
Oct 5 50.8°F 55.3°F 56.0°F
Oct 6 50.6°F 55.2°F 55.7°F
Oct 7 50.5°F 54.0°F 54.6°F
Oct 8 51.2°F 55.1°F 54.7°F
Oct 9 50.6°F 54.2°F 54.2°F
Oct 10 50.1°F 53.5°F 52.8°F
Oct 11 49.9°F 53.0°F 52.2°F
Oct 12 50.3°F 51.2°F 52.6°F
Oct 13 50.0°F 51.5°F 51.4°F
Oct 14 49.7°F 51.3°F 51.5°F
Oct 15 49.8°F 51.3°F 51.3°F
Oct 16 48.6°F 52.0°F 49.6°F
Oct 17 48.9°F 51.1°F 49.9°F
Oct 18 48.8°F 51.5°F 49.8°F
Oct 19 48.8°F 52.1°F 49.3°F
Oct 20 48.8°F 52.1°F 49.5°F
Oct 21 48.8°F 52.0°F 48.6°F
Oct 22 48.3°F 51.4°F 48.2°F
Oct 23 48.0°F 51.4°F 47.9°F
Oct 24 48.0°F 51.7°F 47.7°F
Oct 25 47.8°F 50.6°F 47.4°F
Oct 26 47.5°F 49.8°F 47.0°F
Oct 27 47.6°F 50.3°F 47.0°F
Oct 28 47.3°F 49.9°F 46.6°F
Oct 29 47.1°F 48.4°F 46.2°F
Oct 30 45.1°F 46.5°F 43.8°F
Oct 31 44.7°F 45.8°F 44.0°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. October's average temperature is a slight drop from September's average of 58.6°F. In November, the temperature is expected to decrease further, potentially averaging around 42.2°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