Block Island Weather in August

Average temperatures, rainfall, sunshine and the best places to visit in Block Island, the United States of America in August.

Planning a trip to Block Island, the United States of America this August? Here's what you need to know about the weather:

What to Expect in Block Island in August

Block Island, the United States of America is a region in the United States of America. August in Block Island generally has warm temperatures, with moderate precipitation. It's the height of summer.

Temperatures

You can expect warm maximum daytime temperatures of around 25°C (77°F) and nighttime temperatures around 19°C (66°F) in New Shoreham.

To explore the conditions in Block Island, the United States of America in more detail, check the map below.

Precipitation

August is a moderate rainy month with an average rainfall of around 77 mm (3 in) in New Shoreham.

Average sunshine

Sunshine is generally plentiful throughout many areas. New Shoreham enjoys about 260 hours of sunlight, ideal for those seeking sunny weather.

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)

Best Places to Visit in Block Island in August

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Block Island.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Block Island

What is the weather like in August for the most popular destinonation in Block Island, the United States of America?

New Shoreham

In August New Shoreham generally has high temperatures with maximum daytime temperatures around 25°C (77°F), minimum nighttime temperatures around 19°C (66°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

July
August
September
Max temperature
25°C (77°F)
25°C (77°F)
22°C (72°F)
Min temperature
20°C (68°F)
19°C (66°F)
16°C (61°F)
Monthly sun hours
290 hours
260 hours
233 hours
Monthly rainfall
92 mm (3.6 in)
77 mm (3 in)
74 mm (2.9 in)
Monthly rainy days
11 days
9 days
8 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Block Island, in the United States of America.

Block Island weather in August: frequently asked questions

What is the weather like in Block Island, the United States of America in August?

Block Island, the United States of America typically experiences perfect weather in August, part of the summer season. Daytime highs in New Shoreham average around 25°C (77°F), and temperatures drop to about 19°C (66°F) at night.

What is the average temperature in Block Island, the United States of America in August?

Average temperatures in Block Island, the United States of America during August range from a nighttime low near 19°C (66°F) to a daytime high around 25°C (77°F) in New Shoreham.

Does Block Island, the United States of America get a lot of rain in August?

Not particularly. New Shoreham averages just 77 mm (3 in) of rain in August, making it a mostly dry month for Block Island, the United States of America.

Is August a Good Time to Visit Block Island, the United States of America?

We believe that August is one of the best times to visit Block Island, the United States of America with overall perfect weather in New Shoreham. However, the weather conditions may vary depending on your destination.

On average, the best time to visit Block Island, the United States of America is in July, August and September with generally perfect weather in New Shoreham. The weather in January, February, March and December, on the other hand, tends to be poor.

Interested in more climate information?

We have much more information about the climate in Block Island.

Weather and climate has detailed information for every country in the world. Are you going to the United States of America? Get detailed historical weather averages for many cities in the United States of America.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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