Weather in St Constantine and Helena: July
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Average day temperature: | 82.6°F |
| Average night temperature: | 68.1°F | |
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Sea water temperature: | 76.8°F |
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Number of sunny days: | 25 days |
| Day length: | 14.6 - 15.3 hours | |
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Number of rainy days: | 2 days |
| Precipitation totals: | 1.1 in. | |
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forecast
| St Constantine and Helena |
temperature
| St Constantine and Helena |
Air temperature in July, °F
The highest day temperature during July of 2025 was 94°F. At the same time the lowest night temperature was 61°F. Daily and nightly averages during July were 85.4°F and 69.2°F.
Sea water temperature in St Constantine and Helena in July, °F
The average sea water temperature in July of 2025 was 76.9°F. The highest and lowest sea temperatures during the month were 80.8°F and 73.0°F.
Mostly all days in July are sunny but cloudy days are also possible.
Precipitation total in July, in.
Precipitation total value in St Constantine and Helena in July is 1.0 in. Other months of the year show relatively similar values.
The average wind speed value in July is 8.8 mph It makes July 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 July is: 12.5.
Best time for vacation in St Constantine and Helena
St Constantine and Helena on a weather map
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