Weather in South Boston, Massachusetts, United States in June
In an average June, South Boston sees a daily high around 74°F and a low around 56°F, based on 1981–2026 of local climate records.
| Average high | 74°F |
|---|---|
| Typical high range | 66°F to 83°F |
| Average low | 56°F |
| Typical low range | 49°F to 63°F |
| Average daily precipitation | 0.10 in |
June records
The most extreme June on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total June accumulation.
High
Highest
94°F
2021-06-29
Lowest
51°F
2017-06-06
Low
Highest
74°F
2025-06-24
Lowest
40°F
1986-06-03
Feels-like
Highest
121°F
2025-06-24
Lowest
35°F
1986-06-03
Humidity
Highest
21.4 g/m³
2025-06-24
Lowest
5.9 g/m³
1986-06-03
Wind
Highest
14 mph
2000-06-06
Lowest
3 mph
1998-06-20
Precip
Wettest
10.91 in
1998
Driest
1.13 in
1999
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