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Delaware City in March

Find out everything about the water temperature in Delaware City 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:

35.0 °F

Average:

43.9 °F

Maximum:

52.5 °F

Sea water temperature in Delaware City in March

In the city of Delaware City, the month of March is too cold for swimming. The minimum recorded temperature during this month was 35.0°F on March 7, 2016, with an average temperature being 43.9°F and a maximum temperature reaching 52.5°F on March 31, 2020.

Swing in the water of such temperature might lead to potential hypothermia within just a few minutes. Throughout the month of March, the sea temperature gradually gets warmer. Starting with an average temperature of 41.1°F at the beginning of the month, it steadily increases to around 46.5°F by the end.
Date 10 years average 2025 2024
Mar 1 40.3°F 38.2°F 43.0°F
Mar 2 40.7°F 38.5°F 42.8°F
Mar 3 41.0°F 38.4°F 42.4°F
Mar 4 40.8°F 37.9°F 43.8°F
Mar 5 40.7°F 38.4°F 44.4°F
Mar 6 41.2°F 38.3°F 44.2°F
Mar 7 40.9°F 40.4°F 43.8°F
Mar 8 40.7°F 40.2°F 39.7°F
Mar 9 42.2°F 41.3°F 45.5°F
Mar 10 42.2°F 40.8°F 44.2°F
Mar 11 43.0°F 40.8°F 47.2°F
Mar 12 43.4°F 41.3°F 46.8°F
Mar 13 43.2°F 42.3°F 46.8°F
Mar 14 43.9°F 42.5°F 46.9°F
Mar 15 43.9°F 42.5°F 47.2°F
Mar 16 43.7°F 42.5°F 46.6°F
Mar 17 44.2°F 42.5°F 48.1°F
Mar 18 44.6°F 45.7°F 49.9°F
Mar 19 44.7°F 45.8°F 50.1°F
Mar 20 45.2°F 46.3°F 49.4°F
Mar 21 45.0°F 45.9°F 48.9°F
Mar 22 45.2°F 47.7°F 48.6°F
Mar 23 45.9°F 48.7°F 47.7°F
Mar 24 45.9°F 48.2°F 47.1°F
Mar 25 46.1°F 48.0°F 47.6°F
Mar 26 46.5°F 49.2°F 46.9°F
Mar 27 46.7°F 48.1°F 46.7°F
Mar 28 47.3°F 49.1°F 47.0°F
Mar 29 47.5°F 48.2°F 47.1°F
Mar 30 47.2°F 47.9°F 48.4°F
Mar 31 48.4°F 49.0°F 48.3°F

Sea water temperature in Delaware City by month

In Delaware City, the months July through September offer comfortable swimming conditions, which amounts to 96 swimming days. The warmest water in Delaware City was recorded on July 12, 2024, reaching a 86.5°F. While the coldest temperature occurred on January 24, 2025, dipping to 32.0°F. The average readings by season are 39.5°F in Winter, 52.7°F in Spring, 77.8°F in Summer, and 64.9°F in Autumn. The average temperature in March is slightly warmer than February's average of 37.5°F. And in April, the temperature is expected to rise further, potentially reaching an average of 52.9°F.