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Belfast in April

Find out everything about the water temperature in Belfast 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:

55.5 °F

Average:

59.0 °F

Maximum:

62.2 °F

Sea water temperature in Belfast in April

In the city of Belfast, the month of April is too cold for swimming. The minimum recorded temperature during this month was 55.5°F on April 22, 2020, with an average temperature being 59.0°F and a maximum temperature reaching 62.2°F on April 6, 2022.

Swing in the water of such temperature might lead to potential hypothermia within just a few minutes. In April, the sea temperature remains relatively stable. The average temperature stays close to 59.0°F throughout the month, with minimal changes.
Date 10 years average 2024 2023
Apr 1 60.7°F 59.7°F 60.5°F
Apr 2 60.9°F 59.8°F 60.9°F
Apr 3 60.8°F 58.7°F 60.8°F
Apr 4 60.7°F 58.7°F 59.9°F
Apr 5 60.4°F 58.2°F 59.5°F
Apr 6 60.4°F 58.0°F 59.8°F
Apr 7 60.2°F 58.5°F 59.5°F
Apr 8 59.8°F 58.5°F 59.2°F
Apr 9 59.7°F 58.8°F 59.0°F
Apr 10 59.6°F 58.6°F 58.9°F
Apr 11 59.5°F 58.2°F 58.7°F
Apr 12 59.5°F 58.2°F 58.8°F
Apr 13 59.4°F 58.2°F 58.8°F
Apr 14 59.0°F 58.1°F 58.6°F
Apr 15 58.8°F 57.4°F 58.9°F
Apr 16 58.9°F 57.6°F 59.4°F
Apr 17 58.7°F 57.7°F 59.3°F
Apr 18 58.5°F 58.2°F 58.9°F
Apr 19 58.3°F 57.7°F 59.1°F
Apr 20 58.2°F 57.6°F 59.3°F
Apr 21 58.3°F 57.1°F 59.1°F
Apr 22 58.2°F 57.6°F 58.8°F
Apr 23 58.2°F 57.4°F 59.6°F
Apr 24 58.1°F 57.8°F 58.7°F
Apr 25 58.2°F 58.3°F 59.2°F
Apr 26 58.1°F 58.0°F 58.6°F
Apr 27 57.9°F 57.7°F 57.4°F
Apr 28 57.5°F 57.0°F 57.4°F
Apr 29 57.3°F 57.0°F 56.9°F
Apr 30 57.2°F 56.8°F 57.1°F

Sea water temperature in Belfast by month

In an average year, Belfast offers no days when the water temperature is warm enough to swim comfortably. The warmest water in Belfast was recorded on January 31, 2018, reaching a 69.7°F. While the coldest temperature occurred on August 12, 2015, dipping to 45.5°F. The average readings by season are 62.7°F in Winter, 58.9°F in Spring, 49.7°F in Summer, and 53.9°F in Autumn. April's average temperature is a slight drop from March's average of 62.1°F. In May, the temperature is expected to decrease further, potentially averaging around 55.5°F.