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Baltimore in May

Find out everything about the water temperature in Baltimore 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:

51.6 °F

Average:

62.9 °F

Maximum:

77.8 °F

Sea water temperature in Baltimore in May

In the city of Baltimore, the month of May is somewhat too cool for swimming. The minimum recorded temperature during this month was 51.6°F on May 1, 2020, with an average temperature being 62.9°F and a maximum temperature reaching 77.8°F on May 31, 2020.

Most people would find such water temperature somewhat too cold for swimming. Throughout the month of May, the sea temperature gradually gets warmer. Starting with an average temperature of 58.5°F at the beginning of the month, it steadily increases to around 66.8°F by the end.
Date 10 years average 2024 2023
May 1 56.4°F 64.1°F 54.7°F
May 2 56.8°F 66.4°F 55.2°F
May 3 57.2°F 65.6°F 54.3°F
May 4 57.3°F 67.9°F 54.2°F
May 5 58.2°F 66.2°F 57.0°F
May 6 59.1°F 65.1°F 56.2°F
May 7 59.6°F 64.8°F 58.2°F
May 8 60.1°F 65.0°F 58.2°F
May 9 60.3°F 65.3°F 59.4°F
May 10 60.4°F 66.7°F 56.3°F
May 11 60.4°F 66.7°F 60.2°F
May 12 61.5°F 67.8°F 61.2°F
May 13 62.2°F 68.5°F 63.9°F
May 14 62.5°F 68.8°F 64.4°F
May 15 62.2°F 61.0°F 65.6°F
May 16 62.9°F 61.9°F 65.7°F
May 17 63.9°F 64.1°F 65.7°F
May 18 64.5°F 64.9°F 65.7°F
May 19 64.5°F 64.1°F 64.3°F
May 20 64.3°F 63.9°F 64.7°F
May 21 64.5°F 64.1°F 64.1°F
May 22 64.3°F 63.9°F 65.8°F
May 23 63.7°F 63.3°F 65.6°F
May 24 64.0°F 63.6°F 65.7°F
May 25 64.4°F 64.0°F 67.5°F
May 26 65.8°F 65.4°F 68.2°F
May 27 67.1°F 66.7°F 66.1°F
May 28 68.6°F 68.2°F 66.8°F
May 29 69.8°F 69.4°F 66.1°F
May 30 70.6°F 70.2°F 68.4°F
May 31 71.7°F 71.3°F 69.1°F

Sea water temperature in Baltimore by month

In Baltimore, the months July through September offer comfortable swimming conditions, which amounts to 102 swimming days. The warmest water in Baltimore was recorded on July 20, 2019, reaching a 86.3°F. While the coldest temperature occurred on January 27, 2014, dipping to 32.0°F. The average readings by season are 40.0°F in Winter, 53.0°F in Spring, 77.9°F in Summer, and 65.4°F in Autumn. The average temperature in May is slightly warmer than April's average of 52.9°F. And in June, the temperature is expected to rise further, potentially reaching an average of 73.3°F.