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Wilmington in April

Find out everything about the water temperature in Wilmington 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:

44.6 °F

Average:

52.3 °F

Maximum:

60.2 °F

Sea water temperature in Wilmington in April

In the city of Wilmington, the month of April is too cold for swimming. The minimum recorded temperature during this month was 44.6°F on April 1, 2018, with an average temperature being 52.3°F and a maximum temperature reaching 60.2°F on April 24, 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 49.2°F at the beginning of the month, it steadily increases to around 55.7°F by the end.
Date 10 years average 2025 2024
Apr 1 48.1°F 48.9°F 47.4°F
Apr 2 48.6°F 51.5°F 47.2°F
Apr 3 48.8°F 51.0°F 47.6°F
Apr 4 48.7°F 51.1°F 47.9°F
Apr 5 49.0°F 51.1°F 48.0°F
Apr 6 49.2°F 51.0°F 47.9°F
Apr 7 49.3°F 50.8°F 47.9°F
Apr 8 49.8°F 50.8°F 48.4°F
Apr 9 49.9°F 51.5°F 47.9°F
Apr 10 50.3°F 52.0°F 48.1°F
Apr 11 49.6°F 51.7°F 46.8°F
Apr 12 50.1°F 51.4°F 46.9°F
Apr 13 51.0°F 51.2°F 49.4°F
Apr 14 52.1°F 50.7°F 51.9°F
Apr 15 53.2°F 51.0°F 52.3°F
Apr 16 53.0°F 51.3°F 54.5°F
Apr 17 53.4°F 51.1°F 55.0°F
Apr 18 53.2°F 51.5°F 54.5°F
Apr 19 53.0°F 51.5°F 54.2°F
Apr 20 53.3°F 51.4°F 54.6°F
Apr 21 54.4°F 54.8°F 57.0°F
Apr 22 55.0°F 55.3°F 55.3°F
Apr 23 55.3°F 55.1°F 56.3°F
Apr 24 55.7°F 55.2°F 56.1°F
Apr 25 56.1°F 56.8°F 57.3°F
Apr 26 56.2°F 57.7°F 56.9°F
Apr 27 56.6°F 56.9°F 55.9°F
Apr 28 55.9°F 58.0°F 55.1°F
Apr 29 55.6°F 57.7°F 56.9°F
Apr 30 55.8°F 59.1°F 59.7°F

Sea water temperature in Wilmington by month

In Wilmington, the months July through September offer comfortable swimming conditions, which amounts to 92 swimming days. The warmest water in Wilmington was recorded on August 3, 2020, reaching a 86.2°F. While the coldest temperature occurred on February 12, 2016, dipping to 32.0°F. The average readings by season are 39.3°F in Winter, 52.1°F in Spring, 77.0°F in Summer, and 64.5°F in Autumn. The average temperature in April is slightly warmer than March's average of 43.6°F. And in May, the temperature is expected to rise further, potentially reaching an average of 60.2°F.