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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Waltham's climate page.
Waltham Temperature in January
Min Temperature
-8°C (18°F)
Max Temperature
2°C (36°F)
Water Temperature
5°C (41°F) *
Chance of Rain
37%
Precipitation
86 mm (3.4 in)
Rainy days
11 days
Humidity
63% *
Windspeed
7 m/s (14 knots) *
Sunshine
162 hours *
Percentage Sunshine
56% *
Best Places in the United States of America in January
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in January →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Waltham in January
We recommend to layer up for chilly conditions in Waltham in January. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. With water temperatures around 5°C (41°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Waltham in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Waltham's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Waltham climate overview or explore weather in the United States of America.
