Weather in Dauphin Island: May
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Average day temperature: | 78.6°F |
| Average night temperature: | 72.7°F | |
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Sea water temperature: | 77.8°F |
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Number of sunny days: | 12 days |
| Day length: | 13.4 - 14.0 hours | |
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Number of rainy days: | 4 days |
| Precipitation totals: | 1.6 in. | |
| more information | ||
14 days
forecast
forecast
| Dauphin Island |
sea water
temperature
temperature
| Dauphin Island |
Air temperature in May, °F
Show year:
2025
2024
2023
The highest day temperature during May of 2025 was 83°F. At the same time the lowest night temperature was 69°F. Daily and nightly averages during May were 77.4°F and 76.0°F.
Sea water temperature in Dauphin Island in May, °F
Show year:
2025
2024
2023
The average sea water temperature in May of 2025 was 79.8°F. The highest and lowest sea temperatures during the month were 84.0°F and 76.1°F.
Sunny, partly cloudy and cloudy days
Number of sunny, partly cloudy and cloudy days in May is almost equal.
Precipitation total in May, in.
Precipitation total value in Dauphin Island in May is 1.6 in. Other months of the year show relatively similar values.
Wind speed in May, mph
The average wind speed value in May is 10.1 mph
Average sunny hours
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: 8.1.
Best time for vacation in Dauphin Island
Dauphin Island on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Dauphin Island
Local time: 21:55
December 05, friday
0000
59°F
NW
16 mph
16 mph
0300
54°F
S
17 mph
17 mph
0600
52°F
S
17 mph
17 mph
0900
52°F
S
15 mph
15 mph
1200
52°F
S
15 mph
15 mph
1500
55°F
S
11 mph
11 mph
1800
55°F
S
9 mph
9 mph
2100
55°F
SW
9 mph
9 mph
