Weather in South Boston, Massachusetts, United States in August
In an average August, South Boston sees a daily high around 81°F and a low around 62°F, based on 1981–2026 of local climate records.
| Average high | 81°F |
|---|---|
| Typical high range | 73°F to 89°F |
| Average low | 62°F |
| Typical low range | 55°F to 68°F |
| Average daily precipitation | 0.10 in |
August records
The most extreme August on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total August accumulation.
High
Highest
100°F
2002-08-14
Lowest
61°F
1988-08-24
Low
Highest
76°F
2006-08-02
Lowest
43°F
1982-08-29
Feels-like
Highest
128°F
2016-08-11
Lowest
39°F
1982-08-29
Humidity
Highest
22.8 g/m³
2006-08-02
Lowest
6.3 g/m³
1982-08-29
Wind
Highest
20 mph
1991-08-19
Lowest
3 mph
2022-08-11
Precip
Wettest
8.29 in
2011
Driest
1.42 in
2007
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