The highest day temperature in July 2025 was 98°F. The lowest night temperature was 72°F. The average values for day and night temperatures during July were 89.1°F и 77.8°F respectivly.

The average sea surface temperature in July 2025 for Cape May was 79.0°F. The maximum and minimum values were 75.6°F and 83.4°F respectively.

Most of the days in July are cloudy but you can also expect sunny or gloomy days.

Precipitation total in July for Cape May is 1.4 in. It makes july the most rainy month of the year.

The average wind speed in July is 7.8 mph. It makes July the most windless 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 July is 8.8 hours.