Weather in South Padre Island: May
| Average day temperature: | 85.3°F | |
| Average night temperature: | 76.6°F | |
| Sea water temperature: | 79.1°F | |
| Number of sunny days: | 8 days | |
| Day length: | 13.2 - 13.7 hours | |
| Number of rainy days: | 3 days | |
| Precipitation totals: | 0.9 in. | |
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forecast
| South Padre Island |
temperature
| South Padre Island |
Air temperature in May, °F
The highest day temperature during May of 2025 was 84°F. At the same time the lowest night temperature was 70°F. Daily and nightly averages during May were 80.3°F and 77.6°F.
Sea water temperature in South Padre Island in May, °F
The average sea water temperature in May of 2025 was 80.0°F. The highest and lowest sea temperatures during the month were 83.1°F and 77.9°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 South Padre Island in May is 0.9 in. Other months of the year show relatively similar values.
The average wind speed value in May is 13.7 mph It makes May one of the most 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: 6.9.
Best time for vacation in South Padre Island
South Padre Island on a weather map

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