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Montauk in January

Find out everything about the water temperature in Montauk 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:

38.0 °F

Average:

43.1 °F

Maximum:

50.2 °F

Sea water temperature in Montauk in January

In the city of Montauk, the month of January is too cold for swimming. The minimum recorded temperature during this month was 38.0°F on January 29, 2025, with an average temperature being 43.1°F and a maximum temperature reaching 50.2°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 43.1°F throughout the month, with minimal changes.
Date 10 years average 2025 2024
Jan 1 45.5°F 45.2°F 47.5°F
Jan 2 45.7°F 45.8°F 46.4°F
Jan 3 45.6°F 46.0°F 46.5°F
Jan 4 45.5°F 45.0°F 46.5°F
Jan 5 45.3°F 44.9°F 46.2°F
Jan 6 44.9°F 43.7°F 46.4°F
Jan 7 44.8°F 43.3°F 46.3°F
Jan 8 44.6°F 42.5°F 46.0°F
Jan 9 44.3°F 42.2°F 45.4°F
Jan 10 44.1°F 40.2°F 45.5°F
Jan 11 43.8°F 39.8°F 46.1°F
Jan 12 43.8°F 40.3°F 46.6°F
Jan 13 43.6°F 39.6°F 46.2°F
Jan 14 43.2°F 39.7°F 46.4°F
Jan 15 42.9°F 40.1°F 46.3°F
Jan 16 42.9°F 40.0°F 46.2°F
Jan 17 42.8°F 39.6°F 45.7°F
Jan 18 42.5°F 38.5°F 44.9°F
Jan 19 42.5°F 38.6°F 44.9°F
Jan 20 42.4°F 38.9°F 44.4°F
Jan 21 42.3°F 39.4°F 42.5°F
Jan 22 41.9°F 39.2°F 41.2°F
Jan 23 41.9°F 39.4°F 42.2°F
Jan 24 41.7°F 38.2°F 41.7°F
Jan 25 41.6°F 38.6°F 41.3°F
Jan 26 41.5°F 38.7°F 41.1°F
Jan 27 41.4°F 39.1°F 40.9°F
Jan 28 41.3°F 38.4°F 40.7°F
Jan 29 41.0°F 38.0°F 40.6°F
Jan 30 41.0°F 38.1°F 40.5°F
Jan 31 40.8°F 38.3°F 40.5°F

Sea water temperature in Montauk by month

In an average year, Montauk offers no days when the water temperature is warm enough to swim comfortably. The warmest water in Montauk was recorded on August 7, 2022, reaching a 74.0°F. While the coldest temperature occurred on February 28, 2015, dipping to 33.4°F. The average readings by season are 44.0°F in Winter, 45.4°F in Spring, 66.6°F in Summer, and 63.2°F in Autumn. January's average temperature is a slight drop from December's average of 49.1°F. In February, the temperature is expected to decrease further, potentially averaging around 39.9°F.

Popular neighboring cities and resorts

City Water temperature* Distance**
Newport 49.6°F 46mi
West Haven 49.8°F 54mi
Bristol 52.9°F 57mi
Providence 51.7°F 61mi

* current water temperature in this city

** straight line distance from Montauk