Weather in Nantucket: August
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Average day temperature: | 71.3°F |
| Average night temperature: | 70.6°F | |
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Sea water temperature: | 72.5°F |
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Number of sunny days: | 12 days |
| Day length: | 13.1 - 14.4 hours | |
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Number of rainy days: | 3 days |
| Precipitation totals: | 1.6 in. | |
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Air temperature in August, °F
The highest day temperature during August of 2024 was 76°F. At the same time the lowest night temperature was 65°F. Day and night temperature averages during August were 71.0°F and 71.0°F.
Sea water temperature in Nantucket in August, °F
The average sea water temperature in August of 2024 was 70.6°F. The highest and lowest sea temperatures during the month were 72.9°F and 67.8°F.
Mostly all days in August are partly cloudy but sunny or cloudy days are also possible.
Precipitation total in August, in.
Precipitation total value in Nantucket in August is 1.6 in. Other months of the year show relatively similar values.
The average wind speed value in August is 13.2 mph It makes August 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 August is: 8.4.
Best time for vacation in Nantucket
Nantucket on a weather map
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