The highest day temperature in January 2026 was 62°F. The lowest night temperature was 13°F. The average values for day and night temperatures during January were 40.0°F и 30.3°F respectivly.

The average sea surface temperature in January 2026 for Fenwick Island was 38.9°F. The maximum and minimum values were 35.4°F and 41.2°F respectively.

Most of the days in January are sunny but you can also expect cloudy and gloomy days.

Precipitation total in January for Fenwick Island is 1.2 in. It makes january one of the most rainy months of the year.

The average wind speed in January is 11.4 mph. It makes January one of the most windy months of the year for Fenwick Island.

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 Fenwick Island in January is 5.9 hours.