Hyannis weather in May (Massachusetts, United States of America)

Wondering what the weather is like in Hyannis during May? Wondering about the weather this month? Our guide has all the details you need.

Temperatures

In May, the weather in Hyannis generally includes pleasant temperatures and moderate rainfall. Expect the temperatures during the day to hover around 18°C. At night, they will likely drop to about 10°C.

Precipitation

Hyannis in May usually receives moderate rainfall, averaging around 93 mm for the month. You can typically expect 12 days days of rain this month, based on climate records.

Average sunshine

There are approximately 261 hours of sunshine this month, meaning plenty of sunny days and a vibrant atmosphere.

In case you lean more towards enjoying temperate temperatures and rain-free days July and August typically offer the most optimal weather. In contrast, January, February, March, November and December tend to have less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Hyannis climate page with graphs.

 

Hyannis, monthly averages in May

Min Temperature 10°C  

Max Temperature 18°C  

Chance of Rain 39%  

Precipitation 93 mm  

Rainy days 12 days  

Sunshine 261 hours *  

Percentage Sunshine *  

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

Where to go in the United States of America in May

Find out more about the weather in the United States of America and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

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

So, what should you wear in this month?

For visitors traveling to Hyannis, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

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

Cycling

9/10

Walking

9/10

Camping

4/10

Outdoor sports

9/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Hyannis.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find 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.