Weather in South Boston in May
In an average May, South Boston sees a daily high around 64°F and a low around 50°F, based on 1980–2026 of local climate records.
| Average high | 64°F |
|---|---|
| Typical high range | 53°F to 74°F |
| Average low | 50°F |
| Typical low range | 43°F to 57°F |
| Average daily precipitation | 0.10 in |
May records
The most extreme May on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total May accumulation.
High
Highest
89°F
1987-05-31
Lowest
45°F
1987-05-05
Low
Highest
70°F
1991-05-25
Lowest
36°F
2008-05-01
Feels-like
Highest
102°F
1987-05-30
Lowest
26°F
2020-05-10
Humidity
Highest
16.7 g/m³
1996-05-21
Lowest
2.9 g/m³
1995-05-07
Wind
Highest
27 mph
2002-05-03
Lowest
5 mph
2026-05-31
Gust
Highest
59 mph
1989-05-06
Lowest
10 mph
1997-05-10
Precip
Wettest
8.69 in
2006
Driest
0.89 in
1993
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