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Ruhnu in October

Find out everything about the water temperature in Ruhnu 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:

47.8 °F

Average:

53.8 °F

Maximum:

62.3 °F

Sea water temperature in Ruhnu in October

In the city of Ruhnu, the month of October is too cold for swimming. The minimum recorded temperature during this month was 47.8°F on October 31, 2016, with an average temperature being 53.8°F and a maximum temperature reaching 62.3°F on October 1, 2023.

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 56.5°F at the beginning of the month, it steadily decreases to around 51.4°F by the end.
Date 10 years average 2024 2023
Oct 1 58.0°F 61.7°F 62.3°F
Oct 2 57.6°F 60.9°F 61.6°F
Oct 3 57.4°F 60.0°F 61.1°F
Oct 4 57.1°F 59.5°F 61.0°F
Oct 5 56.9°F 59.3°F 61.3°F
Oct 6 56.4°F 59.5°F 60.5°F
Oct 7 56.2°F 59.2°F 60.2°F
Oct 8 55.5°F 59.4°F 56.8°F
Oct 9 55.0°F 59.3°F 55.0°F
Oct 10 54.7°F 58.5°F 55.2°F
Oct 11 54.4°F 57.2°F 54.3°F
Oct 12 54.5°F 57.8°F 53.7°F
Oct 13 54.2°F 57.6°F 53.5°F
Oct 14 54.0°F 56.5°F 54.0°F
Oct 15 53.9°F 56.8°F 52.5°F
Oct 16 53.6°F 56.3°F 52.8°F
Oct 17 53.3°F 56.6°F 51.9°F
Oct 18 53.3°F 56.2°F 51.8°F
Oct 19 53.1°F 55.8°F 52.1°F
Oct 20 52.9°F 55.6°F 51.5°F
Oct 21 52.7°F 54.4°F 51.4°F
Oct 22 52.4°F 53.5°F 51.2°F
Oct 23 52.0°F 54.1°F 51.1°F
Oct 24 51.7°F 53.2°F 50.8°F
Oct 25 51.7°F 53.9°F 51.2°F
Oct 26 51.4°F 53.7°F 50.6°F
Oct 27 51.0°F 53.5°F 50.3°F
Oct 28 50.8°F 53.5°F 49.9°F
Oct 29 50.6°F 53.2°F 49.7°F
Oct 30 50.6°F 52.1°F 49.4°F
Oct 31 50.3°F 52.5°F 49.0°F

Sea water temperature in Ruhnu by month

In an average year, Ruhnu offers no days when the water temperature is warm enough to swim comfortably. The warmest water in Ruhnu was recorded on July 17, 2021, reaching a 77.4°F. While the coldest temperature occurred on February 3, 2014, dipping to 32.0°F. The average readings by season are 37.5°F in Winter, 39.4°F in Spring, 63.6°F in Summer, and 54.4°F in Autumn. October's average temperature is a slight drop from September's average of 62.0°F. In November, the temperature is expected to decrease further, potentially averaging around 47.4°F.