South Boston
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South Boston Weather in May

May in South Boston brings high temperatures, with daytime highs of 25°C (77°F) and nights around 12°C (54°F). Quite a bit of rainfall is expected, around 105 mm (4.1 in), so pack an umbrella.

Rainfall in South Boston in May

Typically, you can expect about 11 days of rain this month, with 105 mm (4.1 in) on average. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in South Boston in May

In May, South Boston sees high temperatures, with highs of 25°C (77°F). Nights drop to around 12°C (54°F). This kind of day-to-night contrast is typical for this time of year. Nights drop to around 12°C (54°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. April and October typically offer the best weather for South Boston.

South Boston Temperature in May

Min Temperature
12°C (54°F)
Max Temperature
25°C (77°F)
Chance of Rain
37%
Precipitation
105 mm (4.1 in)
Rainy days
11 days

South Boston Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in South Boston - and find the best time to visit.

Best Places 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. See all of the United States of America in May →

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 South Boston in May

Warm but pleasant conditions in South Boston in May. 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.

What To Do in South Boston in May

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

  • Cycling
    7/10
  • Walking
    7/10
  • Camping
    6/10
  • Outdoor sports
    7/10

South Boston 3-Day Forecast

More climate data for South Boston

Popular in May

Where to go in May - average daytime high across popular destinations.

Bucket list

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