Weather in Isle of Palms: May
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Average day temperature: | 78.6°F |
| Average night temperature: | 67.9°F | |
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Sea water temperature: | 74.1°F |
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Number of sunny days: | 11 days |
| Day length: | 13.5 - 14.2 hours | |
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Number of rainy days: | 2 days |
| Precipitation totals: | 1.0 in. | |
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forecast
| Isle of Palms |
temperature
| Isle of Palms |
Air temperature in May, °F
The highest day temperature during May of 2025 was 94°F. At the same time the lowest night temperature was 65°F. Daily and nightly averages during May were 83.1°F and 71.6°F.
Sea water temperature in Isle of Palms in May, °F
The average sea water temperature in May of 2025 was 75.4°F. The highest and lowest sea temperatures during the month were 78.3°F and 71.2°F.
Mostly all days in May are partly cloudy but sunny or cloudy days are also possible.
Precipitation total in May, in.
Precipitation total value in Isle of Palms in May is 1.0 in. Other months of the year show relatively similar values.
The average wind speed value in May is 8.1 mph It makes May 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 May is: 8.2.
Best time for vacation in Isle of Palms
Isle of Palms on a weather map
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