Hyannis Weather in July

July in Hyannis averages 26°C (79°F) during the day and 19°C (66°F) at night. Quite a bit of rainfall is typical this month, with around 90 mm (3.5 in) on average. An umbrella is a good idea.

Rainfall in Hyannis in July

Typically, you can expect about 9 days of rain this month, with 90 mm (3.5 in) on average. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Hyannis in July

The perfect temperature in Hyannis in July makes it a solid month to visit, with 26°C (79°F) during the day and 19°C (66°F) at night. The summer season is characteristic of July. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. At 19°C (66°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping. On average, it is the warmest month of the year.

Sunshine in Hyannis in July

The city usually sees around 301 hours of sunlight, indicating many sunny days — a great month for sightseeing.

If you're a fan of comfortable temperatures and drier conditions, July is a great time to visit.

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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 July

Min Temperature 19°C (66°F)  

Max Temperature 26°C (79°F)  

Chance of Rain 30%  

Precipitation 90 mm (3.5 in)  

Rainy days 9 days  

Sunshine 301 hours *  

Percentage Sunshine *  

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

What to Wear in Hyannis in July

Warm but pleasant conditions in Hyannis in July. 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. Expect heavy rainfall, so bring good rain protection and waterproof bags. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Hyannis in July

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.