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Belfast in June

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

48.5 °F

Average:

51.5 °F

Maximum:

55.1 °F

Sea water temperature in Belfast in June

In the city of Belfast, the month of June is too cold for swimming. The minimum recorded temperature during this month was 48.5°F on June 30, 2015, with an average temperature being 51.5°F and a maximum temperature reaching 55.1°F on June 1, 2023.

Swing in the water of such temperature might lead to potential hypothermia within just a few minutes. In June, the sea temperature remains relatively stable. The average temperature stays close to 51.5°F throughout the month, with minimal changes.
Date 10 years average 2024 2023
Jun 1 53.2°F 51.9°F 55.1°F
Jun 2 53.2°F 51.6°F 55.1°F
Jun 3 52.9°F 51.6°F 54.2°F
Jun 4 52.7°F 52.2°F 53.5°F
Jun 5 52.6°F 51.8°F 53.5°F
Jun 6 52.6°F 51.6°F 53.7°F
Jun 7 52.4°F 50.8°F 53.6°F
Jun 8 52.3°F 51.0°F 53.4°F
Jun 9 52.1°F 51.2°F 53.1°F
Jun 10 52.1°F 51.4°F 52.8°F
Jun 11 51.9°F 51.6°F 51.9°F
Jun 12 51.9°F 50.8°F 52.4°F
Jun 13 51.7°F 50.6°F 52.8°F
Jun 14 51.4°F 50.5°F 52.5°F
Jun 15 51.3°F 50.5°F 52.6°F
Jun 16 51.2°F 50.6°F 52.6°F
Jun 17 51.4°F 50.7°F 52.4°F
Jun 18 51.4°F 50.7°F 52.4°F
Jun 19 51.2°F 50.8°F 52.2°F
Jun 20 51.1°F 50.8°F 52.3°F
Jun 21 51.0°F 50.7°F 52.4°F
Jun 22 50.9°F 50.5°F 52.3°F
Jun 23 50.6°F 50.3°F 52.1°F
Jun 24 50.6°F 50.1°F 51.9°F
Jun 25 50.5°F 50.0°F 51.8°F
Jun 26 50.5°F 49.9°F 52.3°F
Jun 27 50.5°F 50.2°F 52.2°F
Jun 28 50.3°F 50.1°F 51.9°F
Jun 29 50.3°F 50.3°F 52.5°F
Jun 30 50.3°F 49.9°F 52.3°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 62.6°F in Winter, 58.9°F in Spring, 49.7°F in Summer, and 53.9°F in Autumn. June's average temperature is a slight drop from May's average of 55.5°F. In July, the temperature is expected to decrease further, potentially averaging around 49.2°F.