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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 excellent 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.
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).
Hyannis Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Hyannis - and find the best time to visit.
Best Places in the United States of America in July
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in July →
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).
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.
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Swimming9/10 -
Cycling7/10 -
Walking7/10 -
Camping8/10 -
Outdoor sports7/10
Hyannis 3-Day Forecast
More climate data for Hyannis
See the full Hyannis climate overview or explore weather in the United States of America.
Popular in July
Where to go in July - average daytime high across popular destinations.
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