Boston Weather in May
May in Boston sees daytime temperatures around 17°C (63°F) and lows of 8°C (46°F) at night. Pack a rain jacket because some rainfall is likely.
Rainfall in Boston in May
Typically, about 14 days will experience rainfall, with an average of 58 mm (2.3 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Boston in May
May in Boston brings moderate temperatures, with highs of 17°C (63°F) and nights around 8°C (46°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With overnight lows of 8°C (46°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in Boston in May
The city usually sees around 199 hours of sunlight, indicating many sunny days — a great month for sightseeing.Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July, August and September typically offer the best weather for Boston.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United Kingdom, check out our Boston's climate page.
Boston Temperature in May
Min Temperature
8°C (46°F)
Max Temperature
17°C (63°F)
Chance of Rain
46%
Precipitation
58 mm (2.3 in)
Rainy days
14 days
Sunshine
199 hours *
Percentage Sunshine
*
Best Places in the United Kingdom in May
Find out more about the weather in the United Kingdom and which places have the best travel conditions in this month. See all of the United Kingdom in May →
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What to Wear in Boston in May
For Boston in May, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Boston in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United Kingdom, check out our Boston's climate page.
See the full Boston climate overview or explore weather in the United Kingdom.
