July weather forecast and climate
Jamestown, RI

Average sea temperature in July - Jamestown, RI
  • Average sea temperature in July: 67.4°F

The best month for swimming (with the highest average sea temperature) is August (69.6°F).
The coldest month (with the lowest average sea temperature) is February (38.1°F).

Average daylight in July - Jamestown, RI
  • Average daylight in July: 14.8h

The month with the longest days is June (Average daylight: 15.1h).
The month with shortest days is December (Average daylight: 9.2h).

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