Weather in Porto Santo Stefano: May
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Average day temperature: | 66.5°F |
| Average night temperature: | 61.7°F | |
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Sea water temperature: | 65.6°F |
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Number of sunny days: | 16 days |
| Day length: | 14.1 - 15.0 hours | |
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Number of rainy days: | 1 day |
| Precipitation totals: | 0.8 in. | |
| more information | ||
forecast
| Porto Santo Stefano |
temperature
| Porto Santo Stefano |
Air temperature in May, °F
The highest day temperature during May of 2026 was 77°F. At the same time the lowest night temperature was 53°F. Daily and nightly averages during May were 65.5°F and 60.4°F.
Sea water temperature in Porto Santo Stefano in May, °F
The average sea water temperature in May of 2026 was 65.1°F. The highest and lowest sea temperatures during the month were 67.6°F and 63.5°F.
Mostly all days in May are sunny but cloudy days are also possible.
Precipitation total in May, in.
Precipitation total value in Porto Santo Stefano in May is 0.8 in. Other months of the year show relatively similar values.
The average wind speed value in May is 9.0 mph
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: 10.0.
Best time for vacation in Porto Santo Stefano
Porto Santo Stefano on a weather map
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