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South Boston in July

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

60.1 °F

Average:

66.5 °F

Maximum:

75.0 °F

Sea water temperature in South Boston in July

In the city of South Boston, the month of July is somewhat comfortable for swimming. The minimum recorded temperature during this month was 60.1°F on July 1, 2017, with an average temperature being 66.5°F and a maximum temperature reaching 75.0°F on July 29, 2020.

While some may find it enjoyable for a brief swim, others might consider it a bit too cold for extended periods in the water. In July, the sea temperature remains relatively stable. The average temperature stays close to 66.5°F throughout the month, with minimal changes.
Date 10 years average 2024 2023
Jul 1 63.8°F 61.6°F 67.6°F
Jul 2 63.9°F 62.8°F 67.3°F
Jul 3 64.3°F 63.5°F 67.2°F
Jul 4 64.7°F 64.0°F 66.7°F
Jul 5 64.7°F 65.1°F 65.8°F
Jul 6 65.1°F 66.3°F 66.7°F
Jul 7 65.6°F 68.4°F 68.7°F
Jul 8 65.6°F 67.1°F 70.2°F
Jul 9 65.9°F 65.2°F 71.0°F
Jul 10 65.8°F 66.7°F 67.9°F
Jul 11 66.0°F 68.5°F 66.9°F
Jul 12 66.5°F 66.9°F 69.2°F
Jul 13 66.8°F 67.2°F 71.1°F
Jul 14 67.2°F 67.7°F 72.3°F
Jul 15 66.3°F 65.4°F 69.5°F
Jul 16 66.6°F 66.5°F 67.3°F
Jul 17 66.4°F 67.2°F 65.9°F
Jul 18 66.4°F 67.3°F 64.4°F
Jul 19 66.3°F 66.9°F 64.8°F
Jul 20 66.5°F 67.0°F 64.0°F
Jul 21 66.7°F 65.6°F 66.2°F
Jul 22 67.8°F 65.0°F 68.6°F
Jul 23 67.9°F 66.7°F 65.8°F
Jul 24 68.1°F 66.5°F 67.9°F
Jul 25 68.0°F 66.0°F 69.5°F
Jul 26 68.1°F 67.2°F 69.1°F
Jul 27 68.1°F 65.8°F 68.9°F
Jul 28 67.9°F 64.7°F 65.4°F
Jul 29 68.0°F 64.1°F 65.8°F
Jul 30 68.0°F 65.9°F 62.9°F
Jul 31 68.1°F 65.6°F 64.5°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. The average temperature in July is slightly warmer than June's average of 60.1°F. And in August, the temperature is expected to rise further, potentially reaching an average of 67.8°F.

Popular neighboring cities and resorts

City Water temperature* Distance**
Boston 44.1°F 2mi
Salem 47.6°F 15mi
Plymouth 47.1°F 32mi
Providence 46.0°F 40mi
Bristol 44.8°F 47mi

* current water temperature in this city

** straight line distance from South Boston