Weather in Nantucket: July
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Average day temperature: | 70.7°F |
| Average night temperature: | 69.7°F | |
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Sea water temperature: | 70.4°F |
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Number of sunny days: | 12 days |
| Day length: | 14.4 - 15.1 hours | |
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Number of rainy days: | 3 days |
| Precipitation totals: | 1.2 in. | |
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temperature
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Air temperature in July, °F
| Day temperature | Night temperature |
The highest day temperature during July of 2024 was 76°F. At the same time the lowest night temperature was 67°F. Daily and nightly averages during July were 71.8°F and 71.6°F.
Sea water temperature in Nantucket in July, °F
The average sea water temperature in July of 2024 was 70.6°F. The highest and lowest sea temperatures during the month were 74.7°F and 65.1°F.
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| Partly cloudy days | |
| Cloudy days |
Number of sunny, partly cloudy and cloudy days in July is almost equal.
Precipitation total in July, in.
Precipitation total value in Nantucket in July is 1.2 in. Other months of the year show relatively similar values.
The average wind speed value in July is 12.9 mph It makes July lest windy month 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: 8.6.
Best time for vacation in Nantucket
Nantucket on a weather map
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