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Holyhead in January

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

46.1 °F

Average:

48.3 °F

Maximum:

51.3 °F

Sea water temperature in Holyhead in January

In the city of Holyhead, the month of January is too cold for swimming. The minimum recorded temperature during this month was 46.1°F on January 30, 2021, with an average temperature being 48.3°F and a maximum temperature reaching 51.3°F on January 1, 2016.

Swing in the water of such temperature might lead to potential hypothermia within just a few minutes. In January, the sea temperature remains relatively stable. The average temperature stays close to 48.3°F throughout the month, with minimal changes.
Date 10 years average 2024 2023
Jan 1 49.9°F 50.5°F 49.8°F
Jan 2 49.6°F 50.5°F 49.2°F
Jan 3 49.6°F 50.2°F 49.5°F
Jan 4 49.5°F 50.1°F 49.6°F
Jan 5 49.3°F 49.6°F 49.6°F
Jan 6 49.3°F 49.3°F 49.6°F
Jan 7 49.0°F 49.4°F 49.5°F
Jan 8 49.0°F 49.2°F 49.7°F
Jan 9 49.0°F 49.2°F 49.7°F
Jan 10 48.8°F 48.9°F 49.1°F
Jan 11 48.8°F 48.8°F 48.9°F
Jan 12 48.7°F 48.5°F 49.2°F
Jan 13 48.6°F 48.5°F 49.0°F
Jan 14 48.5°F 48.4°F 48.8°F
Jan 15 48.3°F 48.3°F 48.4°F
Jan 16 48.2°F 48.1°F 48.4°F
Jan 17 48.0°F 48.2°F 48.4°F
Jan 18 47.9°F 47.7°F 48.3°F
Jan 19 47.8°F 47.2°F 47.8°F
Jan 20 47.8°F 47.0°F 48.1°F
Jan 21 47.8°F 47.3°F 48.2°F
Jan 22 47.7°F 47.4°F 48.0°F
Jan 23 47.6°F 46.9°F 47.8°F
Jan 24 47.6°F 47.0°F 47.8°F
Jan 25 47.4°F 46.5°F 47.3°F
Jan 26 47.6°F 47.6°F 47.3°F
Jan 27 47.5°F 47.3°F 47.4°F
Jan 28 47.3°F 47.4°F 47.0°F
Jan 29 47.3°F 47.4°F 47.4°F
Jan 30 47.2°F 47.3°F 47.0°F
Jan 31 47.1°F 47.3°F 47.1°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. January's average temperature is a slight drop from December's average of 51.0°F. In February, the temperature is expected to decrease further, potentially averaging around 46.5°F.

Popular neighboring cities and resorts

City Water temperature* Distance**
Caernarfon 52.8°F 19mi
Bangor 51.6°F 21mi
Conwy 51.1°F 33mi
Douglas 53.2°F 59mi
Aberystwyth 51.6°F 66mi

* current water temperature in this city

** straight line distance from Holyhead