Weather in Sanibel Island: May
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Average day temperature: | 86.0°F |
| Average night temperature: | 74.0°F | |
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Sea water temperature: | 82.0°F |
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Number of sunny days: | 14 days |
| Day length: | 13.2 - 13.7 hours | |
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Number of rainy days: | 2 days |
| Precipitation totals: | 0.9 in. | |
| more information | ||
14 days
forecast
forecast
| Sanibel Island |
sea water
temperature
temperature
| Sanibel Island |
Air temperature in May, °F
Show year:
2025
2024
2023
The highest day temperature during May of 2025 was 95°F. At the same time the lowest night temperature was 60°F. Daily and nightly averages during May were 90.0°F and 72.6°F.
Sea water temperature in Sanibel Island in May, °F
Show year:
2025
2024
2023
The average sea water temperature in May of 2025 was 83.1°F. The highest and lowest sea temperatures during the month were 87.8°F and 79.2°F.
Sunny, partly cloudy and cloudy days
Mostly all days in May are sunny but cloudy days are also possible.
Precipitation total in May, in.
Precipitation total value in Sanibel Island in May is 0.9 in. Other months of the year show relatively similar values.
Wind speed in May, mph
The average wind speed value in May is 8.5 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: 9.0.
Best time for vacation in Sanibel Island
Sanibel Island on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Sanibel Island
Local time: 18:15
December 14, sunday
2100
70°F
S
17 mph
17 mph
December 15, monday
0000
66°F
S
17 mph
17 mph
0300
64°F
SW
22 mph
22 mph
0600
61°F
SW
21 mph
21 mph
0900
63°F
SW
20 mph
20 mph
1200
66°F
SW
23 mph
23 mph
1500
66°F
SW
19 mph
19 mph
1800
64°F
SW
18 mph
18 mph
