Weather in Cape May: August
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Average day temperature: | 79.3°F |
| Average night temperature: | 71.5°F | |
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Sea water temperature: | 74.6°F |
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Number of sunny days: | 12 days |
| Day length: | 13.1 - 14.2 hours | |
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Number of rainy days: | 2 days |
| Precipitation totals: | 1.1 in. | |
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forecast
| Cape May |
temperature
| Cape May |
Air temperature in August, °F
The highest day temperature during August of 2025 was 88°F. At the same time the lowest night temperature was 61°F. Daily and nightly averages during August were 79.1°F and 69.3°F.
Sea water temperature in Cape May in August, °F
The average sea water temperature in August of 2025 was 75.7°F. The highest and lowest sea temperatures during the month were 79.0°F and 73.0°F.
Mostly all days in August are partly cloudy but sunny or cloudy days are also possible.
Precipitation total in August, in.
Precipitation total value in Cape May in August is 1.1 in. Other months of the year show relatively similar values.
The average wind speed value in August is 8.4 mph It makes August one of the least windy months of the year.
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 8.3.
Best time for vacation in Cape May
Cape May on a weather map
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