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Holyhead in May

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

47.6 °F

Average:

51.0 °F

Maximum:

54.7 °F

Sea water temperature in Holyhead in May

In the city of Holyhead, the month of May is too cold for swimming. The minimum recorded temperature during this month was 47.6°F on May 2, 2018, with an average temperature being 51.0°F and a maximum temperature reaching 54.7°F on May 30, 2023.

Swing in the water of such temperature might lead to potential hypothermia within just a few minutes. In May, the sea temperature remains relatively stable. The average temperature stays close to 51.0°F throughout the month, with minimal changes.
Date 10 years average 2024 2023
May 1 49.2°F 50.1°F 50.0°F
May 2 49.2°F 49.9°F 49.8°F
May 3 49.3°F 49.8°F 49.9°F
May 4 49.4°F 49.7°F 50.5°F
May 5 49.7°F 49.8°F 51.1°F
May 6 49.7°F 50.7°F 50.8°F
May 7 49.9°F 50.7°F 51.7°F
May 8 49.8°F 50.5°F 51.5°F
May 9 50.2°F 51.1°F 51.5°F
May 10 50.3°F 51.0°F 51.7°F
May 11 50.2°F 50.9°F 51.7°F
May 12 50.5°F 51.2°F 52.6°F
May 13 50.7°F 51.4°F 52.4°F
May 14 50.8°F 51.5°F 51.7°F
May 15 50.9°F 52.4°F 52.1°F
May 16 51.1°F 53.5°F 52.7°F
May 17 51.1°F 53.0°F 51.9°F
May 18 51.3°F 53.2°F 51.9°F
May 19 51.2°F 53.2°F 51.7°F
May 20 51.5°F 53.9°F 51.7°F
May 21 51.7°F 53.4°F 51.8°F
May 22 51.7°F 53.1°F 52.6°F
May 23 52.0°F 52.9°F 53.2°F
May 24 52.0°F 52.8°F 53.5°F
May 25 52.1°F 52.8°F 53.5°F
May 26 52.3°F 52.8°F 54.0°F
May 27 52.5°F 53.0°F 53.8°F
May 28 52.6°F 54.1°F 53.8°F
May 29 52.8°F 54.2°F 54.4°F
May 30 53.0°F 54.2°F 54.7°F
May 31 53.2°F 54.6°F 54.7°F

Sea water temperature in Holyhead by month

In an average year, Holyhead offers no days when the water temperature is warm enough to swim comfortably. The warmest water in Holyhead was recorded on September 7, 2023, reaching a 63.3°F. While the coldest temperature occurred on March 9, 2018, dipping to 43.0°F. The average readings by season are 48.6°F in Winter, 48.3°F in Spring, 57.9°F in Summer, and 57.8°F in Autumn. The average temperature in May is slightly warmer than April's average of 47.9°F. And in June, the temperature is expected to rise further, potentially reaching an average of 55.0°F.

Popular neighboring cities and resorts

City Water temperature* Distance**
Caernarfon 53.0°F 19mi
Bangor 52.3°F 21mi
Conwy 51.5°F 33mi
Douglas 53.9°F 59mi
Aberystwyth 52.2°F 66mi

* current water temperature in this city

** straight line distance from Holyhead