Climate normals · 1970–2000
South Boston Climate
South Boston is a city in United States (MA) with a population of about 571,281. Its average annual temperature is 10.3°C (51°F), with roughly 1121 mm of rain per year.
10.3°C
Avg Temp
1121
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
South Boston Climate
South Boston has an average annual temperature of 10.3°C (51°F) and receives about 1121 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
10.3°C
Avg Temp
1121
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -2° / 28° | 101 mm |
| February | -1° / 30° | 86 mm |
| March | 3° / 38° | 102 mm |
| April | 9° / 47° | 95 mm |
| May | 15° / 58° | 85 mm |
| June | 20° / 67° | 87 mm |
| July | 23° / 73° | 82 mm |
| August | 22° / 72° | 91 mm |
| September | 18° / 64° | 91 mm |
| October | 12° / 53° | 97 mm |
| November | 6° / 43° | 104 mm |
| December | 0° / 33° | 100 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit South Boston
The most comfortable months to visit South Boston are typically June, August and July, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 29°C high). The coldest is January (near -7°C low). November is usually the wettest month.
Where to stay near South Boston
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Frequently Asked Questions
The most comfortable months to visit South Boston are typically June, August and July, when temperatures are mildest and rainfall is relatively low (1970–2000 climate normals).
South Boston, United States has an average annual temperature of 10.3°C and about 1121 mm of precipitation per year. The warmest month is July and the coldest is January.
In July, the hottest month, daily highs in South Boston average about 29°C (84°F).
Monthly climate normals (1970–2000) sampled from WorldClim 2.1 at ~9 km resolution. Humidity derived from vapor pressure. City coordinates and population from GeoNames.