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Holyhead in December

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

48.4 °F

Average:

51.0 °F

Maximum:

54.6 °F

Sea water temperature in Holyhead in December

In the city of Holyhead, the month of December is too cold for swimming. The minimum recorded temperature during this month was 48.4°F on December 18, 2019, with an average temperature being 51.0°F and a maximum temperature reaching 54.6°F on December 1, 2014.

Swing in the water of such temperature might lead to potential hypothermia within just a few minutes. In December, 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 2023 2022
Dec 1 52.7°F 53.2°F 53.3°F
Dec 2 52.6°F 53.0°F 53.4°F
Dec 3 52.6°F 52.7°F 53.9°F
Dec 4 52.5°F 52.7°F 53.2°F
Dec 5 52.4°F 52.7°F 53.4°F
Dec 6 52.3°F 52.2°F 53.2°F
Dec 7 52.2°F 52.2°F 53.2°F
Dec 8 52.0°F 51.7°F 53.0°F
Dec 9 51.8°F 51.8°F 52.7°F
Dec 10 51.7°F 51.8°F 52.3°F
Dec 11 51.5°F 51.4°F 52.4°F
Dec 12 51.3°F 51.5°F 51.8°F
Dec 13 51.1°F 51.4°F 51.6°F
Dec 14 51.0°F 50.9°F 51.7°F
Dec 15 50.9°F 51.0°F 51.0°F
Dec 16 50.7°F 50.0°F 50.8°F
Dec 17 50.5°F 50.6°F 50.3°F
Dec 18 50.4°F 50.7°F 50.3°F
Dec 19 50.4°F 50.6°F 50.5°F
Dec 20 50.4°F 50.6°F 50.3°F
Dec 21 50.3°F 50.6°F 50.1°F
Dec 22 50.3°F 50.5°F 49.6°F
Dec 23 50.3°F 50.2°F 49.8°F
Dec 24 50.1°F 50.4°F 49.6°F
Dec 25 50.1°F 50.5°F 49.7°F
Dec 26 50.2°F 50.8°F 49.5°F
Dec 27 50.0°F 50.7°F 49.3°F
Dec 28 50.0°F 50.6°F 49.3°F
Dec 29 49.9°F 50.3°F 49.3°F
Dec 30 49.9°F 49.9°F 49.9°F
Dec 31 49.8°F 50.4°F 49.9°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. December's average temperature is a slight drop from November's average of 54.9°F. In January, the temperature is expected to decrease further, potentially averaging around 48.3°F.

Popular neighboring cities and resorts

City Water temperature* Distance**
Caernarfon 55.7°F 19mi
Bangor 55.7°F 21mi
Conwy 55.3°F 33mi
Douglas 56.3°F 59mi
Aberystwyth 56.3°F 66mi

* current water temperature in this city

** straight line distance from Holyhead