Block Island Weather & Climate: the United States of America

Climate by month across Block Island, the United States of America, average temperatures, rainfall and the best time to visit.

Climate overview of Block Island

Whether you're visiting Block Island in the United States of America during the peak of July (25°C (77°F)) or the cooler months around February (3°C (37°F)), knowing what to pack starts with understanding the local climate. Our overview is based on data from New Shoreham, the region's most prominent city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.

In Block Island, the months of June, July, August and September bring pleasant weather, with average temperatures ranging between 21°C (70°F) and 25°C (77°F).

The cooler season is during the months of January, February, March and December.

When it comes to rainfall, Block Island experiences moderate variations in precipitation across the seasons. You can expect around 109 mm (4.3 in) of rain in December, dropping to 73 mm (2.9 in) in September.

July is the sunniest period, with ideal conditions for exploring the region and all it has to offer.

Explore Block Island by month

Pick a month to see the average temperature, rainfall and sunshine in Block Island - and find the best time to visit. (based on New Shoreham)

Popular cities by month

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New Shoreham
Day temperature (°C)
Monthly rainfall (mm)
Monthly sunshine (hours)

Climate map of Block Island

Average daily temperature, monthly rainfall & sunshine hours across cities.

Avg day temp (°C)
32°

Compare popular cities

Average daytime and nighttime temperatures, yearly rainfall and sunshine.

New Shoreham 4°C (39°F) 25°C (77°F) -3°C (27°F) 20°C (68°F) 1105 mm (44 in) 2,598 hours

Places in Block Island, the United States of America

Select a city to see its average temperature, precipitation and hours of sunshine over the year.

Cities

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Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.