Waltham Weather in January

January in Waltham brings low temperatures, with daytime highs of 2°C (36°F) and nights around -8°C (18°F). Quite a bit of snow/rainfall is expected, around 86 mm (3.4 in), so pack an umbrella.

Rainfall in Waltham in January

On average, there are about 11 days with snow/rain during this month, averaging 86 mm (3.4 in). Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Waltham in January

January in Waltham sees highs of 2°C (36°F) and lows of -8°C (18°F) overnight. The month of January belongs to the winter season. Time outdoors is usually more comfortable with proper winter clothing and protection from wind. At -8°C (18°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating. As the coldest month of the year, it's important to pack plenty of warm clothes and winter gear.

Sunshine in Waltham in January

You can expect a moderate amount of sunlight, with approximately 162 hours. This means a pleasant mix of sun and overcast.

Wind Speed in Waltham in January

Wind speeds average 7 m/s (14 knots) during January. At this speed, you experience strong wind that can make entire trees sway and create resistance when walking. Since this is an average, expect variation from moderate windy periods to particularly gusty days when umbrellas become difficult to control.

Average water temperature in January

At 5°C (41°F), the water is very cold. Most people find it too uncomfortable for anything beyond a brief wade.

If you prefer dry days with pleasant temperatures, January may not be the ideal month to visit Waltham. Our weather planner can help you explore destinations with more pleasant weather conditions.