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Bristol in May

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

47.1 °F

Average:

55.4 °F

Maximum:

65.9 °F

Sea water temperature in Bristol in May

In the city of Bristol, the month of May is too cold for swimming. The minimum recorded temperature during this month was 47.1°F on May 1, 2020, with an average temperature being 55.4°F and a maximum temperature reaching 65.9°F on May 31, 2022.

Swing in the water of such temperature might lead to potential hypothermia within just a few minutes. Throughout the month of May, the sea temperature gradually gets warmer. Starting with an average temperature of 52.3°F at the beginning of the month, it steadily increases to around 59.0°F by the end.
Date 10 years average 2025 2024
May 1 51.0°F 56.0°F 53.6°F
May 2 51.5°F 55.2°F 54.4°F
May 3 51.7°F 56.1°F 52.1°F
May 4 52.0°F 56.3°F 52.5°F
May 5 52.2°F 54.8°F 52.6°F
May 6 51.9°F 54.4°F 52.4°F
May 7 52.5°F 54.7°F 52.5°F
May 8 53.0°F 56.9°F 52.6°F
May 9 53.7°F 59.3°F 55.3°F
May 10 52.8°F 58.4°F 55.1°F
May 11 52.5°F 58.1°F 54.8°F
May 12 53.2°F 58.8°F 55.5°F
May 13 54.2°F 59.1°F 56.4°F
May 14 54.0°F 57.0°F 56.3°F
May 15 54.3°F 57.4°F 56.0°F
May 16 54.5°F 57.1°F 56.5°F
May 17 55.0°F 59.2°F 56.2°F
May 18 55.4°F 60.4°F 55.6°F
May 19 56.2°F 61.1°F 56.6°F
May 20 56.9°F 61.6°F 56.3°F
May 21 56.9°F 61.5°F 56.6°F
May 22 58.0°F 60.3°F 56.1°F
May 23 58.1°F 59.5°F 57.5°F
May 24 58.8°F 59.0°F 60.2°F
May 25 58.8°F 59.1°F 61.8°F
May 26 58.9°F 58.6°F 61.8°F
May 27 59.1°F 57.5°F 60.7°F
May 28 59.3°F 56.9°F 61.4°F
May 29 60.3°F 57.4°F 64.7°F
May 30 60.5°F 57.5°F 64.6°F
May 31 60.7°F 58.2°F 62.7°F

Sea water temperature in Bristol by month

In Bristol, the months July through August offer comfortable swimming conditions, which amounts to 46 swimming days. The warmest water in Bristol was recorded on August 10, 2022, reaching a 80.6°F. While the coldest temperature occurred on February 19, 2025, dipping to 33.2°F. The average readings by season are 41.1°F in Winter, 47.8°F in Spring, 71.3°F in Summer, and 62.2°F in Autumn. The average temperature in May is slightly warmer than April's average of 46.8°F. And in June, the temperature is expected to rise further, potentially reaching an average of 65.6°F.

Popular neighboring cities and resorts

City Water temperature* Distance**
Providence 37.1°F 13mi
Newport 39.9°F 13mi
Plymouth 39.5°F 36mi
South Boston 40.7°F 47mi
Boston 40.5°F 48mi

* current water temperature in this city

** straight line distance from Bristol