South Boston (VA) Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit South Boston.

Climate overview of South Boston

South Boston, Virginia, United States of America, sees big temperature differences between seasons, with July peaking at 31°C (88°F) and January dropping to 9°C (48°F).

Rain/snowfall is high, totalling around 1146 mm (45 in) per year. September is the wettest month and February the driest. The city also experiences very warm summers and cold winters.

South Boston Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in South Boston - and find the best time to visit.

Monthly Temperature in South Boston

Visitors to South Boston can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a very warm 31°C (88°F) in July, the warmest time of the year, to a chilly 9°C (48°F) during cooler months like January.

At night, you can expect temperatures ranging from 19°C (66°F) in July to around -3°C (27°F) during January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in South Boston

South Boston is known for its substantial rain/snowfall, with annual precipitation reaching 1146 mm (45 in). While rainfall varies throughout the year, each season offers its own charm. September brings wetter days averaging 116 mm (4.6 in) of precipitation, spread over 9 rainy days.

In contrast, the driest month February experiences a drier climate, with about 64 mm (2.5 in) of rainfall spread across 9 rainy days. For more details, please visit our South Boston Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Best Time to Visit South Boston

The most comfortable overall weather for exploring South Boston is usually found in April and October. Conditions are generally least comfortable in January, February and December.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: April and October
  • Warmest weather: June, July and August
  • Seasonal pattern: Very warm summers and cold winters
  • Coldest conditions: January, with freezing nights around -3°C (27°F).

Frequently asked questions about the climate in South Boston

What is the best time to visit South Boston?

April and October typically offer the most optimal weather in South Boston. In contrast, January, February and December tend to have less optimal conditions. South Boston has very warm summers and cold winters.

What temperatures can I expect in South Boston?

Daytime highs range from 9°C (48°F) in January to 31°C (88°F) in July. Nighttime lows range from -3°C (27°F) to 19°C (66°F). Temperatures vary considerably through the year.

How much rain does South Boston get?

Annual rainfall is around 1146 mm (45 in). September is the wettest month with 116 mm (4.6 in), while February is the driest with 64 mm (2.5 in).

South Boston 3-Day Forecast

South Boston on the map

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