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Annapolis in April

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

41.2 °F

Average:

53.3 °F

Maximum:

62.6 °F

Sea water temperature in Annapolis in April

In the city of Annapolis, the month of April is too cold for swimming. The minimum recorded temperature during this month was 41.2°F on April 1, 2014, with an average temperature being 53.3°F and a maximum temperature reaching 62.6°F on April 23, 2023.

Swing in the water of such temperature might lead to potential hypothermia within just a few minutes. Throughout the month of April, the sea temperature gradually gets warmer. Starting with an average temperature of 49.3°F at the beginning of the month, it steadily increases to around 56.7°F by the end.
Date 10 years average 2024 2023
Apr 1 47.6°F 49.7°F 49.9°F
Apr 2 48.1°F 50.5°F 51.3°F
Apr 3 48.1°F 50.2°F 50.4°F
Apr 4 48.4°F 50.0°F 51.2°F
Apr 5 49.0°F 50.0°F 53.0°F
Apr 6 49.2°F 49.4°F 54.4°F
Apr 7 49.8°F 48.8°F 55.9°F
Apr 8 50.4°F 49.6°F 55.4°F
Apr 9 51.0°F 51.0°F 54.1°F
Apr 10 52.0°F 51.5°F 53.9°F
Apr 11 51.5°F 52.8°F 54.2°F
Apr 12 52.2°F 53.7°F 55.5°F
Apr 13 52.7°F 53.6°F 56.3°F
Apr 14 53.6°F 53.4°F 58.6°F
Apr 15 54.2°F 54.4°F 59.3°F
Apr 16 54.7°F 56.5°F 60.2°F
Apr 17 55.1°F 57.4°F 60.9°F
Apr 18 54.8°F 57.4°F 59.9°F
Apr 19 54.9°F 58.5°F 59.4°F
Apr 20 55.0°F 58.5°F 58.8°F
Apr 21 55.8°F 58.9°F 60.2°F
Apr 22 56.5°F 58.6°F 61.7°F
Apr 23 56.6°F 57.6°F 62.6°F
Apr 24 56.3°F 57.5°F 61.4°F
Apr 25 56.4°F 57.9°F 61.0°F
Apr 26 56.6°F 58.0°F 60.2°F
Apr 27 57.0°F 58.6°F 59.9°F
Apr 28 56.8°F 58.0°F 59.9°F
Apr 29 57.1°F 59.5°F 59.7°F
Apr 30 57.8°F 60.9°F 59.7°F

Sea water temperature in Annapolis by month

In Annapolis, the months June through September offer comfortable swimming conditions, which amounts to 103 swimming days. The warmest water in Annapolis was recorded on July 22, 2019, reaching a 87.1°F. While the coldest temperature occurred on January 19, 2018, dipping to 32.0°F. The average readings by season are 40.7°F in Winter, 53.5°F in Spring, 78.6°F in Summer, and 66.0°F in Autumn. The average temperature in April is slightly warmer than March's average of 43.5°F. And in May, the temperature is expected to rise further, potentially reaching an average of 63.7°F.

Popular neighboring cities and resorts

City Water temperature* Distance**
Baltimore 50.4°F 22mi
Long Beach 51.7°F 36mi
Delaware City 47.8°F 64mi
Wilmington 48.4°F 73mi

* current water temperature in this city

** straight line distance from Annapolis