Manhattan in January
Find out everything about the water temperature in Manhattan 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:
35.5 °F
Average:
40.7 °F
Maximum:
48.4 °F
Sea water temperature in Manhattan in January
In the city of Manhattan, the month of January is too cold for swimming. The minimum recorded temperature during this month was 35.5°F on January 26, 2025, with an average temperature being 40.7°F and a maximum temperature reaching 48.4°F on January 1, 2016.
| Date | 10 years average | 2025 | 2024 |
|---|---|---|---|
| Jan 1 | 42.9°F | 42.6°F | 44.7°F |
| Jan 2 | 43.0°F | 43.3°F | 43.6°F |
| Jan 3 | 42.8°F | 42.5°F | 43.0°F |
| Jan 4 | 42.6°F | 42.7°F | 43.4°F |
| Jan 5 | 42.5°F | 42.4°F | 43.2°F |
| Jan 6 | 42.6°F | 42.1°F | 45.3°F |
| Jan 7 | 42.4°F | 42.0°F | 45.2°F |
| Jan 8 | 42.0°F | 41.6°F | 44.5°F |
| Jan 9 | 41.7°F | 41.0°F | 43.1°F |
| Jan 10 | 41.4°F | 39.2°F | 43.0°F |
| Jan 11 | 41.3°F | 38.7°F | 43.8°F |
| Jan 12 | 41.2°F | 39.1°F | 43.2°F |
| Jan 13 | 41.0°F | 37.0°F | 42.2°F |
| Jan 14 | 41.1°F | 37.3°F | 42.8°F |
| Jan 15 | 40.9°F | 37.4°F | 42.3°F |
| Jan 16 | 40.7°F | 37.1°F | 42.4°F |
| Jan 17 | 40.6°F | 37.3°F | 41.9°F |
| Jan 18 | 40.4°F | 36.9°F | 41.2°F |
| Jan 19 | 40.3°F | 37.0°F | 43.2°F |
| Jan 20 | 39.8°F | 36.7°F | 40.4°F |
| Jan 21 | 39.8°F | 37.0°F | 40.2°F |
| Jan 22 | 39.6°F | 37.2°F | 39.3°F |
| Jan 23 | 39.5°F | 35.5°F | 39.7°F |
| Jan 24 | 39.6°F | 36.9°F | 39.5°F |
| Jan 25 | 39.3°F | 36.0°F | 39.4°F |
| Jan 26 | 39.0°F | 35.5°F | 39.3°F |
| Jan 27 | 38.8°F | 35.9°F | 39.1°F |
| Jan 28 | 38.8°F | 37.3°F | 39.2°F |
| Jan 29 | 38.8°F | 37.8°F | 39.0°F |
| Jan 30 | 38.8°F | 37.4°F | 39.3°F |
| Jan 31 | 38.6°F | 37.1°F | 39.2°F |
In Manhattan, the months July through August offer comfortable swimming conditions, which amounts to 55 swimming days.
The warmest water in Manhattan was recorded on August 15, 2016, reaching a 78.7°F. While the coldest temperature occurred on February 23, 2025, dipping to 34.1°F. The average readings by season are 41.9°F in Winter, 48.1°F in Spring, 71.4°F in Summer, and 63.8°F in Autumn.
January's average temperature is a slight drop from December's average of 46.7°F. In February, the temperature is expected to decrease further, potentially averaging around 38.3°F.
Popular neighboring cities and resorts
| City | Water temperature* | Distance** |
|---|---|---|
| New York City |
56.7°F
|
5mi |
| The Bronx |
54.6°F
|
7mi |
| Jersey City |
56.7°F
|
7mi |
| Brooklyn |
55.5°F
|
9mi |
| Queens |
54.6°F
|
10mi |
* current water temperature in this city
** straight line distance from Manhattan