Hyannis Weather in August

Hyannis in August sees high temperatures, with highs around 26°C (79°F) and overnight lows of 18°C (64°F). It's the driest month of the year, with very little rainfall to worry about.

Rainfall in Hyannis in August

With the driest weather of the year, this month is ideal for outdoor fun. Past climate data indicates that roughly 9 days will see rain, totalling around 79 mm (3.1 in) for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Hyannis in August

August is a good time to be in Hyannis. Days are perfect, reaching 26°C (79°F), with nights around 18°C (64°F). August is known for being in the summer season. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With overnight lows of 18°C (64°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Hyannis in August

The month enjoys around 278 hours of sunshine, creating mostly sunny days with good weather conditions.

If you're inclined towards comfortable temperatures and drier conditions, August is a good time to visit Hyannis.

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For a detailed overview over the year and the best time to visit the United States of America, check out our Hyannis's climate page.

Hyannis Temperature in August

Min Temperature 18°C (64°F)  

Max Temperature 26°C (79°F)  

Chance of Rain 28%  

Precipitation 79 mm (3.1 in)  

Rainy days 9 days  

Sunshine 278 hours *  

Percentage Sunshine *  

* Data from: Nantucket, the United States of America (43 KM, 27 Miles).

What to Wear in Hyannis in August

Warm but pleasant conditions in Hyannis in August. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Wet weather is likely, so pack waterproof gear for multiple rainy days. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Hyannis in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

8/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Hyannis's climate page.

More climate data for Hyannis

Temperature Rainfall Sunshine

See the full Hyannis climate overview or explore weather in the United States of America.