Weather in South Boston in January
South Boston, United States averages a high of 2.2°C (36°F) and low of -5.1°C (22.8°F) in January, with 10 rain days and 6.2 hours of daily sunshine. Travel score: 44.1/100 (Mixed). The best time to visit South Boston is August.
High
2°C36°F
Low
-5°C23°F
🌧️
10
rain days
☀️
6.2
hrs/day sunshine
💧
69%
humidity
44— Mixed
January in South Boston is cold and occasionally wet — bring heavy winter clothing.
What are the average temperatures in South Boston?
How much does it rain in South Boston in January?
South Boston receives an average of 99.2mm of rainfall across 10 rainy days in January. The annual total is 1110.6mm.
What should I pack for South Boston in January?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Heavy winter coat
Cold weather with highs around 2°C
🩳
Thermal base layers
Stay warm in freezing temperatures
🧤
Warm gloves
Cold nights around -5°C
🧣
Warm scarf
Protect against cold winds
🎉Visiting United States in January?
Don't miss any public holidays — check before you book!
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Data based on 1994–2024 averages · Last updated: 2024-12-31