Boston Weather in January

Thinking of visiting Boston in January? Expect low temperatures reaching 8°C (46°F) during the day, dropping to 3°C (37°F) at night, with some rainfall likely.

Rainfall in Boston in January

Based on our climate data of the past 30 years, about 18 days of rain are anticipated, with 54 mm (2.1 in) on average. Rain falls on many days this month, but usually in relatively small amounts. A light waterproof is more useful than a heavy umbrella.

Temperature in Boston in January

Expect highs of 8°C (46°F) in Boston in January, with nights dropping to around 3°C (37°F). The winter season is characteristic of January. The days stay cool from start to finish. Layering up well will make outdoor time much more comfortable. With overnight lows of 3°C (37°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets. Prepare for the coldest month of the year by packing warm and cozy winter cloths.

Sunshine in Boston in January

This month sees fewer sunny days, with about 65 hours of sunshine, perfect for those who enjoy cooler temperatures.

If you're looking for dry conditions and comfortable temperatures, January may not be the ideal month to visit Boston. Our weather planner can help you explore destinations with more pleasant weather conditions.