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Plymouth in August

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

64.0 °F

Average:

68.3 °F

Maximum:

75.1 °F

Sea water temperature in Plymouth in August

In the city of Plymouth, the month of August is somewhat comfortable for swimming. The minimum recorded temperature during this month was 64.0°F on August 20, 2023, with an average temperature being 68.3°F and a maximum temperature reaching 75.1°F on August 4, 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 August, the sea temperature remains relatively stable. The average temperature stays close to 68.3°F throughout the month, with minimal changes.
Date 10 years average 2023 2022
Aug 1 68.6°F 66.1°F 67.3°F
Aug 2 68.6°F 65.7°F 67.5°F
Aug 3 68.3°F 65.9°F 66.8°F
Aug 4 68.7°F 65.6°F 68.1°F
Aug 5 68.7°F 65.3°F 70.0°F
Aug 6 69.0°F 65.6°F 73.0°F
Aug 7 68.8°F 64.5°F 73.8°F
Aug 8 68.8°F 66.6°F 71.5°F
Aug 9 69.0°F 68.3°F 73.1°F
Aug 10 68.9°F 68.5°F 72.1°F
Aug 11 68.5°F 66.1°F 71.4°F
Aug 12 68.0°F 66.2°F 69.2°F
Aug 13 67.9°F 64.5°F 68.2°F
Aug 14 67.9°F 67.3°F 65.6°F
Aug 15 68.1°F 67.1°F 64.5°F
Aug 16 67.9°F 66.9°F 66.0°F
Aug 17 68.2°F 66.8°F 65.3°F
Aug 18 67.9°F 64.3°F 65.4°F
Aug 19 68.2°F 65.7°F 67.0°F
Aug 20 67.8°F 64.0°F 67.7°F
Aug 21 68.2°F 64.0°F 68.1°F
Aug 22 68.2°F 64.7°F 69.1°F
Aug 23 68.2°F 65.3°F 68.3°F
Aug 24 67.4°F 65.1°F 69.5°F
Aug 25 67.6°F 66.2°F 70.2°F
Aug 26 67.9°F 65.6°F 70.3°F
Aug 27 68.6°F 67.3°F 71.4°F
Aug 28 68.7°F 65.4°F 71.7°F
Aug 29 68.1°F 65.2°F 68.0°F
Aug 30 67.9°F 65.1°F 69.3°F
Aug 31 68.0°F 66.1°F 70.1°F

Sea water temperature in Plymouth by month

In an average year, Plymouth offers no days when the water temperature is warm enough to swim comfortably. The warmest water in Plymouth was recorded on July 31, 2020, reaching a 76.3°F. While the coldest temperature occurred on February 28, 2015, dipping to 33.6°F. The average readings by season are 41.3°F in Winter, 44.6°F in Spring, 64.9°F in Summer, and 58.8°F in Autumn. In August, the temperature is higher than July's average of 66.9°F and September's average of 65.4°F.

Popular neighboring cities and resorts

City Water temperature* Distance**
South Boston 54.7°F 32mi
Boston 54.7°F 34mi
Bristol 56.2°F 36mi
Providence 55.9°F 39mi

* current water temperature in this city

** straight line distance from Plymouth