Boston

Massachusetts Weather in May

Average temperatures, rainfall, sunshine and the best places to visit in Massachusetts, the United States of America in May.

Are you planning a trip a to Massachusetts, the United States of America in May and wondering what kind of weather to expect? This page has all the details you need.

What to Expect in Massachusetts in May

Massachusetts, the United States of America is a region in the United States of America. May in Massachusetts generally has temperatures that range from mild to warm, with precipitation levels ranging from moderate to high.

Temperatures

During the day the temperature is mild in Nantucket at 16°C (61°F) and warm in West Springfield at 22°C (72°F). As night falls, temperatures generally drop to 10°C (50°F) in West Springfield and 9°C (48°F) in Nantucket.

To learn more about the conditions in specific areas of Massachusetts, the United States of America, check out the map below.

Precipitation

In May, precipitation varies across different areas. From moderate rainfall in North Attleboro with an average of 81 mm (3.2 in) to high rainfall in Salisbury with 118 mm (4.6 in).

Average sunshine

Many locations offer abundant sunshine during this month. For instance, Boston enjoys approximately 301 hours of sunlight, ideal for those seeking sunny weather.

Explore Massachusetts by month

Pick a month to see the average temperature, rainfall and sunshine in Massachusetts — and find the best time to visit. (based on Boston)

Best Places to Visit in Massachusetts in May

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Massachusetts.

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).

Popular Destinations in Massachusetts

What is the weather like in May for some of the most popular destinations in Massachusetts, the United States of America?

Temperature range in Massachusetts (May)

Precipitation variation in Massachusetts (May)

Boston

In May Boston generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°F), minimum nighttime temperatures around 11°C (52°F) and high monthly rainfall. So on average the conditions are pleasant that month.

May
April
May
June
Max temperature
14°C (57°F)
20°C (68°F)
24°C (75°F)
Min temperature
5°C (41°F)
11°C (52°F)
15°C (59°F)
Monthly sun hours
229 hours
301 hours
283 hours
Monthly rainfall
91 mm (3.6 in)
100 mm (3.9 in)
127 mm (5 in)
Monthly rainy days
11 days
12 days
14 days
Weather conditions

Rockport

In May Rockport generally has moderate temperatures with maximum daytime temperatures around 17°C (63°F), minimum nighttime temperatures around 9°C (48°F) and high monthly rainfall. So on average the conditions are unpleasant that month.

May
April
May
June
Max temperature
12°C (54°F)
17°C (63°F)
21°C (70°F)
Min temperature
4°C (39°F)
9°C (48°F)
14°C (57°F)
Monthly sun hours
229 hours
301 hours
283 hours
Monthly rainfall
91 mm (3.6 in)
107 mm (4.2 in)
129 mm (5.1 in)
Monthly rainy days
12 days
13 days
15 days
Weather conditions

Gloucester

In May Gloucester generally has moderate temperatures with maximum daytime temperatures around 17°C (63°F), minimum nighttime temperatures around 9°C (48°F) and high monthly rainfall. So on average the conditions are unpleasant that month.

May
April
May
June
Max temperature
12°C (54°F)
17°C (63°F)
21°C (70°F)
Min temperature
4°C (39°F)
9°C (48°F)
14°C (57°F)
Monthly sun hours
229 hours
301 hours
283 hours
Monthly rainfall
93 mm (3.7 in)
107 mm (4.2 in)
129 mm (5.1 in)
Monthly rainy days
12 days
13 days
14 days
Weather conditions

Cambridge

In May Cambridge generally has pleasant temperatures with maximum daytime temperatures around 21°C (70°F), minimum nighttime temperatures around 10°C (50°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

May
April
May
June
Max temperature
15°C (59°F)
21°C (70°F)
25°C (77°F)
Min temperature
4°C (39°F)
10°C (50°F)
15°C (59°F)
Monthly sun hours
229 hours
301 hours
283 hours
Monthly rainfall
92 mm (3.6 in)
97 mm (3.8 in)
125 mm (4.9 in)
Monthly rainy days
11 days
13 days
14 days
Weather conditions

Hyannis

In May Hyannis generally has pleasant temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 10°C (50°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

May
April
May
June
Max temperature
13°C (55°F)
18°C (64°F)
22°C (72°F)
Min temperature
4°C (39°F)
10°C (50°F)
14°C (57°F)
Monthly sun hours
225 hours
261 hours
281 hours
Monthly rainfall
97 mm (3.8 in)
93 mm (3.7 in)
104 mm (4.1 in)
Monthly rainy days
12 days
12 days
12 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Massachusetts, in the United States of America.

Popular cities in May

Day & night temperatures, rainfall and average weather in Massachusetts in May.

City Weather Day temp Night temp Rainfall
Boston 20°C (68°F) 11°C (52°F) 100 mm (3.9 in)
Rockport 17°C (63°F) 9°C (48°F) 107 mm (4.2 in)
Gloucester 17°C (63°F) 9°C (48°F) 107 mm (4.2 in)
Cambridge 21°C (70°F) 10°C (50°F) 97 mm (3.8 in)
Hyannis 18°C (64°F) 10°C (50°F) 93 mm (3.7 in)
West Yarmouth 18°C (64°F) 10°C (50°F) 94 mm (3.7 in)

Massachusetts weather in May: frequently asked questions

What is the weather like in Massachusetts, the United States of America in May?

Massachusetts, the United States of America typically experiences pleasant weather in May, part of the season. Daytime highs in Boston average around 20°C (68°F), and temperatures drop to about 11°C (52°F) at night.

What is the average temperature in Massachusetts, the United States of America in May?

Boston averages a daytime maximum of 20°C (68°F) in May, with overnight lows close to 11°C (52°F).

Does Massachusetts, the United States of America get a lot of rain in May?

Boston typically receives notable rainfall in May, about 100 mm (3.9 in) on average across Massachusetts, the United States of America.

Is May a Good Time to Visit Massachusetts, the United States of America?

In our opinion, May is a good time to visit Massachusetts, the United States of America with overall pleasant weather in Boston. It's worth noting that weather conditions might differ depending on the location you visit.

Generally speaking, the best visiting conditions can be found in August and September offering mostly perfect weather in Boston. On the other hand, the months of January, February, March and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Massachusetts.

Weather and climate has detailed information for every country in the world. Are you going to the United States of America? Get detailed 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.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.