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

How's the weather trend in Chelsea as May approaches? Find all the essential weather information for this month in our guide.

Temperatures

In May, Chelsea usually has pleasant temperatures and high rainfall. Anticipate daytime temperatures around 20°C, while night temperatures can drop to 10°C.

Precipitation

Chelsea in May usually receives high rainfall, averaging around 101 mm for the month. You can typically expect 12 days days of rain this month, based on climate records.

Average sunshine

There are approximately 301 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 August and September typically offer the most optimal weather. In contrast, January, February, March and December tend to have less optimal conditions.

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

 

Chelsea, monthly averages in May

Min Temperature 10°C  

Max Temperature 20°C  

Water Temperature 9°C *  

Chance of Rain 40%  

Precipitation 101 mm  

Rainy days 12 days  

Humidity 67% *  

Windspeed 22 km/h *  

Sunshine 301 hours *  

Percentage Sunshine 59% *  

Data from: Boston, the United States of America (2 KM, 1 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 Chelsea, 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. With a water temperature of around 9°C there is no need to bring your swimwear.

What To Do

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

Cycling

9/10

Walking

9/10

Camping

6/10

Outdoor sports

9/10

Interested in more climate information?

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

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.