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South Boston in October

Find out everything about the water temperature in South Boston 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:

52.0 °F

Average:

58.3 °F

Maximum:

64.6 °F

Sea water temperature in South Boston in October

In the city of South Boston, the month of October is too cold for swimming. The minimum recorded temperature during this month was 52.0°F on October 30, 2019, with an average temperature being 58.3°F and a maximum temperature reaching 64.6°F on October 5, 2018.

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 60.7°F at the beginning of the month, it steadily decreases to around 55.9°F by the end.
Date 10 years average 2024 2023
Oct 1 62.1°F 62.7°F 61.3°F
Oct 2 61.6°F 62.2°F 60.2°F
Oct 3 61.3°F 62.7°F 61.4°F
Oct 4 60.9°F 61.9°F 62.2°F
Oct 5 60.5°F 62.4°F 62.8°F
Oct 6 60.0°F 62.6°F 62.1°F
Oct 7 60.1°F 62.6°F 61.7°F
Oct 8 60.3°F 62.1°F 61.4°F
Oct 9 60.5°F 62.4°F 63.6°F
Oct 10 60.3°F 63.0°F 63.2°F
Oct 11 59.9°F 61.5°F 61.5°F
Oct 12 59.7°F 61.0°F 61.3°F
Oct 13 59.3°F 61.2°F 60.8°F
Oct 14 59.1°F 60.2°F 60.2°F
Oct 15 58.6°F 57.9°F 59.7°F
Oct 16 58.4°F 57.5°F 58.9°F
Oct 17 57.9°F 56.3°F 58.4°F
Oct 18 57.9°F 56.7°F 57.6°F
Oct 19 57.6°F 56.4°F 57.4°F
Oct 20 57.2°F 54.6°F 58.4°F
Oct 21 56.8°F 55.8°F 57.8°F
Oct 22 56.9°F 57.1°F 57.4°F
Oct 23 56.7°F 56.7°F 57.5°F
Oct 24 56.6°F 57.7°F 57.1°F
Oct 25 56.1°F 57.4°F 56.4°F
Oct 26 55.9°F 56.6°F 57.2°F
Oct 27 55.5°F 56.4°F 56.7°F
Oct 28 55.6°F 56.0°F 58.6°F
Oct 29 55.2°F 55.0°F 59.8°F
Oct 30 54.8°F 54.3°F 58.7°F
Oct 31 54.3°F 54.0°F 57.9°F

Sea water temperature in South Boston by month

In an average year, South Boston offers no days when the water temperature is warm enough to swim comfortably. The warmest water in South Boston was recorded on July 29, 2020, reaching a 75.0°F. While the coldest temperature occurred on February 22, 2021, dipping to 33.7°F. The average readings by season are 41.3°F in Winter, 44.9°F in Spring, 64.8°F in Summer, and 58.0°F in Autumn. October's average temperature is a slight drop from September's average of 64.9°F. In November, the temperature is expected to decrease further, potentially averaging around 50.8°F.

Popular neighboring cities and resorts

City Water temperature* Distance**
Boston 49.2°F 2mi
Salem 50.0°F 15mi
Plymouth 49.8°F 32mi
Providence 51.0°F 40mi
Bristol 51.5°F 47mi

* current water temperature in this city

** straight line distance from South Boston