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Belfast in July

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

46.5 °F

Average:

49.2 °F

Maximum:

52.3 °F

Sea water temperature in Belfast in July

In the city of Belfast, the month of July is too cold for swimming. The minimum recorded temperature during this month was 46.5°F on July 30, 2015, with an average temperature being 49.2°F and a maximum temperature reaching 52.3°F on July 1, 2023.

Swing in the water of such temperature might lead to potential hypothermia within just a few minutes. In July, the sea temperature remains relatively stable. The average temperature stays close to 49.2°F throughout the month, with minimal changes.
Date 10 years average 2024 2023
Jul 1 50.2°F 49.9°F 52.3°F
Jul 2 50.1°F 49.9°F 52.1°F
Jul 3 50.1°F 49.9°F 51.9°F
Jul 4 50.0°F 49.9°F 51.9°F
Jul 5 49.9°F 49.3°F 51.4°F
Jul 6 49.7°F 49.2°F 51.0°F
Jul 7 49.7°F 49.1°F 50.5°F
Jul 8 49.4°F 48.6°F 50.3°F
Jul 9 49.3°F 48.5°F 50.0°F
Jul 10 49.2°F 48.5°F 49.9°F
Jul 11 49.2°F 48.3°F 49.7°F
Jul 12 48.9°F 48.0°F 49.5°F
Jul 13 49.0°F 47.9°F 50.0°F
Jul 14 49.0°F 48.1°F 50.0°F
Jul 15 49.0°F 48.1°F 50.3°F
Jul 16 48.9°F 48.2°F 50.4°F
Jul 17 49.0°F 48.3°F 50.6°F
Jul 18 49.0°F 48.2°F 50.4°F
Jul 19 48.9°F 48.3°F 49.5°F
Jul 20 48.9°F 48.2°F 49.3°F
Jul 21 49.0°F 48.3°F 50.4°F
Jul 22 49.0°F 48.4°F 50.3°F
Jul 23 49.0°F 48.5°F 50.3°F
Jul 24 48.9°F 48.8°F 50.4°F
Jul 25 48.8°F 48.6°F 50.5°F
Jul 26 48.7°F 48.6°F 50.3°F
Jul 27 48.7°F 48.6°F 50.2°F
Jul 28 48.7°F 48.6°F 50.2°F
Jul 29 48.7°F 48.5°F 50.2°F
Jul 30 48.5°F 48.5°F 49.8°F
Jul 31 48.5°F 48.4°F 49.6°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. July's average temperature is a slight drop from June's average of 51.5°F. In August, the temperature is expected to decrease further, potentially averaging around 48.5°F.