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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:

58.8 °F

Average:

61.9 °F

Maximum:

66.6 °F

Sea water temperature in Plymouth in August

In the city of Plymouth, the month of August is somewhat too cool for swimming. The minimum recorded temperature during this month was 58.8°F on August 9, 2023, with an average temperature being 61.9°F and a maximum temperature reaching 66.6°F on August 15, 2022.

Most people would find such water temperature somewhat too cold for swimming. In August, the sea temperature remains relatively stable. The average temperature stays close to 61.9°F throughout the month, with minimal changes.
Date 10 years average 2024 2023
Aug 1 61.9°F 63.3°F 60.7°F
Aug 2 61.9°F 63.1°F 60.7°F
Aug 3 61.9°F 63.1°F 60.4°F
Aug 4 61.7°F 63.0°F 60.4°F
Aug 5 61.7°F 62.9°F 60.6°F
Aug 6 61.5°F 62.8°F 59.3°F
Aug 7 61.5°F 62.9°F 58.9°F
Aug 8 61.6°F 62.8°F 59.1°F
Aug 9 61.7°F 62.9°F 58.8°F
Aug 10 61.6°F 62.7°F 59.9°F
Aug 11 61.8°F 62.9°F 60.1°F
Aug 12 61.9°F 63.1°F 60.3°F
Aug 13 62.0°F 63.1°F 61.1°F
Aug 14 62.1°F 63.2°F 61.3°F
Aug 15 62.1°F 63.2°F 61.3°F
Aug 16 62.3°F 63.2°F 61.5°F
Aug 17 62.4°F 63.4°F 62.0°F
Aug 18 62.1°F 63.0°F 62.0°F
Aug 19 62.0°F 62.7°F 61.9°F
Aug 20 61.9°F 62.7°F 62.4°F
Aug 21 61.8°F 62.5°F 62.5°F
Aug 22 61.7°F 62.5°F 62.6°F
Aug 23 61.8°F 62.4°F 63.0°F
Aug 24 62.0°F 62.3°F 63.3°F
Aug 25 61.9°F 62.0°F 63.1°F
Aug 26 62.0°F 61.8°F 62.9°F
Aug 27 62.1°F 62.3°F 62.7°F
Aug 28 62.0°F 62.7°F 61.8°F
Aug 29 62.0°F 62.4°F 61.6°F
Aug 30 61.9°F 62.3°F 61.5°F
Aug 31 61.9°F 62.2°F 61.6°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 August 15, 2022, reaching a 66.6°F. While the coldest temperature occurred on March 20, 2018, dipping to 45.6°F. The average readings by season are 50.9°F in Winter, 50.9°F in Spring, 60.4°F in Summer, and 59.2°F in Autumn. In August, the temperature is higher than July's average of 61.1°F and September's average of 61.5°F.