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Plymouth in March

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

34.0 °F

Average:

38.9 °F

Maximum:

44.8 °F

Sea water temperature in Plymouth in March

In the city of Plymouth, the month of March is too cold for swimming. The minimum recorded temperature during this month was 34.0°F on March 2, 2015, with an average temperature being 38.9°F and a maximum temperature reaching 44.8°F on March 31, 2023.

Swing in the water of such temperature might lead to potential hypothermia within just a few minutes. In March, the sea temperature remains relatively stable. The average temperature stays close to 38.9°F throughout the month, with minimal changes.
Date 10 years average 2024 2023
Mar 1 37.9°F 38.7°F 38.9°F
Mar 2 37.8°F 38.9°F 38.0°F
Mar 3 38.0°F 38.9°F 38.8°F
Mar 4 37.9°F 39.4°F 38.8°F
Mar 5 37.9°F 38.9°F 38.8°F
Mar 6 37.7°F 37.3°F 38.2°F
Mar 7 37.9°F 38.1°F 39.3°F
Mar 8 37.6°F 38.0°F 38.8°F
Mar 9 38.2°F 40.2°F 38.9°F
Mar 10 38.4°F 38.5°F 39.9°F
Mar 11 38.7°F 40.6°F 38.8°F
Mar 12 38.8°F 40.0°F 38.7°F
Mar 13 39.0°F 40.6°F 39.1°F
Mar 14 38.8°F 40.8°F 38.6°F
Mar 15 38.8°F 41.2°F 38.6°F
Mar 16 38.6°F 40.7°F 39.6°F
Mar 17 39.0°F 42.0°F 38.9°F
Mar 18 38.9°F 44.0°F 39.7°F
Mar 19 39.0°F 43.0°F 40.0°F
Mar 20 39.2°F 42.7°F 41.3°F
Mar 21 39.0°F 42.2°F 40.6°F
Mar 22 39.6°F 42.1°F 41.4°F
Mar 23 39.6°F 41.2°F 40.7°F
Mar 24 39.6°F 41.2°F 41.4°F
Mar 25 39.6°F 41.0°F 41.5°F
Mar 26 39.8°F 40.9°F 42.3°F
Mar 27 40.2°F 41.6°F 43.0°F
Mar 28 40.4°F 40.3°F 42.5°F
Mar 29 40.5°F 40.6°F 42.8°F
Mar 30 40.5°F 40.6°F 42.7°F
Mar 31 40.7°F 42.3°F 44.8°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. The average temperature in March is slightly warmer than February's average of 37.9°F. And in April, the temperature is expected to rise further, potentially reaching an average of 43.6°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