Thermograph

Weather in South Boston in March

In an average March, South Boston sees a daily high around 46°F and a low around 31°F, based on 1980–2026 of local climate records.

Average high46°F
Typical high range35°F to 59°F
Average low31°F
Typical low range19°F to 41°F
Average daily precipitation0.10 in

March records

The most extreme March on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total March accumulation.

High

Highest 86°F 1998-03-31
Lowest 22°F 2005-03-09

Low

Highest 62°F 2012-03-23
Lowest 1°F 2003-03-07

Feels-like

Highest 91°F 1998-03-31
Lowest -15°F 2003-03-07

Humidity

Highest 13.0 g/m³ 2012-03-22
Lowest 0.8 g/m³ 1980-03-01

Wind

Highest 28 mph 2018-03-02
Lowest 5 mph 2001-03-02

Gust

Highest 71 mph 2026-03-17
Lowest 10 mph 2010-03-10

Precip

Wettest 13.13 in 2010
Driest 0.56 in 2006

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