Weather in St Constantine and Helena: May
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Average day temperature: | 66.9°F |
| Average night temperature: | 55.1°F | |
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Sea water temperature: | 60.9°F |
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Number of sunny days: | 17 days |
| Day length: | 14.1 - 15.1 hours | |
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Number of rainy days: | 4 days |
| Precipitation totals: | 1.9 in. | |
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forecast
| St Constantine and Helena |
temperature
| St Constantine and Helena |
Air temperature in May, °F
The highest day temperature during May of 2024 was 74°F. At the same time the lowest night temperature was 47°F. Day and night temperature averages during May were 62.7°F and 54.8°F.
Sea water temperature in St Constantine and Helena in May, °F
The average sea water temperature in May of 2024 was 61.3°F. The highest and lowest sea temperatures during the month were 65.8°F and 57.2°F.
Mostly all days in May are sunny but cloudy days are also possible.
Precipitation total in May, in.
Precipitation total value in St Constantine and Helena in May is 1.8 in. Other months of the year show relatively similar values.
The average wind speed value in May is 8.9 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: 9.4.
Best time for vacation in St Constantine and Helena
St Constantine and Helena on a weather map
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