The highest day temperature in January 2026 was 58°F. The lowest night temperature was 9°F. The average values for day and night temperatures during January were 36.6°F и 27.5°F respectivly.

The average sea surface temperature in January 2026 for Cape May was 37.3°F. The maximum and minimum values were 30.0°F and 39.6°F respectively.

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

Precipitation total in January for Cape May is 1.1 in. It makes january one of the most rainy months of the year.

The average wind speed in January is 12.5 mph. It makes January the most windy month of the year for Cape May.

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 Cape May in January is 5.8 hours.