The highest day temperature in January 2025 was 46°F. The lowest night temperature was 17°F. The average values for day and night temperatures during January were 32.9°F и 29.9°F respectivly.

The average sea surface temperature in January 2025 for Montauk was 39.6°F. The maximum and minimum values were 36.8°F and 45.6°F respectively.

You can expect various weather conditions during January. Be ready for sunny, cloudy or even gloomy days.

Precipitation total in January for Montauk is 1.1 in. This value is relatively stable throughout the year.

The average wind speed in January is 13.6 mph. It makes January the most windy month of the year for Montauk.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Montauk in January is 5.1 hours.