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Greystones in January

Find out everything about the water temperature in Greystones 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:

44.6 °F

Average:

47.7 °F

Maximum:

51.1 °F

Sea water temperature in Greystones in January

In the city of Greystones, the month of January is too cold for swimming. The minimum recorded temperature during this month was 44.6°F on January 29, 2021, with an average temperature being 47.7°F and a maximum temperature reaching 51.1°F on January 2, 2022.

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 47.7°F throughout the month, with minimal changes.
Date 10 years average 2024 2023
Jan 1 49.2°F 50.2°F 48.8°F
Jan 2 49.1°F 50.1°F 48.7°F
Jan 3 48.9°F 49.6°F 48.6°F
Jan 4 48.9°F 49.6°F 49.4°F
Jan 5 48.8°F 49.4°F 49.3°F
Jan 6 48.6°F 49.5°F 48.8°F
Jan 7 48.5°F 49.5°F 48.7°F
Jan 8 48.5°F 49.3°F 48.8°F
Jan 9 48.4°F 49.1°F 48.5°F
Jan 10 48.2°F 48.5°F 48.6°F
Jan 11 48.1°F 48.3°F 48.4°F
Jan 12 48.0°F 48.1°F 48.5°F
Jan 13 48.0°F 48.1°F 48.1°F
Jan 14 47.9°F 48.1°F 48.3°F
Jan 15 47.7°F 47.6°F 48.0°F
Jan 16 47.6°F 46.9°F 47.8°F
Jan 17 47.4°F 46.6°F 47.4°F
Jan 18 47.4°F 46.8°F 47.3°F
Jan 19 47.3°F 46.1°F 47.1°F
Jan 20 47.2°F 46.2°F 46.3°F
Jan 21 47.1°F 46.1°F 46.4°F
Jan 22 47.1°F 46.2°F 46.4°F
Jan 23 47.0°F 45.8°F 46.4°F
Jan 24 46.9°F 46.4°F 46.2°F
Jan 25 46.9°F 46.3°F 46.4°F
Jan 26 46.9°F 46.5°F 46.3°F
Jan 27 47.0°F 46.6°F 46.4°F
Jan 28 46.8°F 46.6°F 46.1°F
Jan 29 46.8°F 46.6°F 46.0°F
Jan 30 46.8°F 46.8°F 46.0°F
Jan 31 46.9°F 47.1°F 46.2°F

Sea water temperature in Greystones by month

In an average year, Greystones offers no days when the water temperature is warm enough to swim comfortably. The warmest water in Greystones was recorded on September 10, 2023, reaching a 62.3°F. While the coldest temperature occurred on March 11, 2018, dipping to 43.0°F. The average readings by season are 48.0°F in Winter, 48.3°F in Spring, 57.7°F in Summer, and 56.7°F in Autumn. January's average temperature is a slight drop from December's average of 50.2°F. In February, the temperature is expected to decrease further, potentially averaging around 46.2°F.

Popular neighboring cities and resorts

City Water temperature* Distance**
Bray 52.6°F 5mi
Dún Laoghaire 52.0°F 11mi
Dublin 51.6°F 15mi

* current water temperature in this city

** straight line distance from Greystones