January weather forecast
New Hampshire, USA

January is the coldest month of the year in New Hampshire and is marked by a stark contrast between its northern and southern regions. The northern wilderness often experiences temperatures below 0°F (-17.8°C), while the southern parts have average lows ranging from -4°F (-20°C) to 15°F (-9.4°C). In comparison to the milder temperatures of December, January sees a significant drop, and the frigid weather persists into February.

Mount Washington, part of the state's famed White Mountains range, is notable for recording some of the lowest temperatures, including the state's lowest of -47°F (-43.9°C) on January 29, 1934. Snowfall during this month is heavy, contributing to the overall accumulation of 60" (1524mm) to 100" (2540mm) statewide, with even higher amounts in the mountainous regions.

Strong arctic winds sweep across the northern areas, while the mountain ranges help protect the southern region from these cold fronts. The Atlantic Ocean's influence moderates temperatures in the southeastern part, but the overall climate remains cold and icy, characterized by frequent snowstorms. Skiing and snowboarding enthusiasts will find the state's northern regions particularly appealing during this time, as they are some of the best places in the country for winter sports.

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• Manchester - January »
  In Manchester in January, during 7.1 snowfall days, 2.4" (61mm) of snow is typically accumulated. In Manchester, in January, during 7.1 snowfall days, 2.4" (61mm) of snow is typically accumulated.
• Nashua - January »
  In Nashua in January, snow falls for 6.5 days, with typically accumulated 1.1" (28mm) of snow. The months with the lowest UV index in Nashua are January, February, November and December, with an average maximum UV index of 2.
• Concord - January »
  In Concord in January, during 10.8 snowfall days, 7.09" (180mm) of snow is typically accumulated. In Concord, in January, during 10.8 snowfall days, 7.09" (180mm) of snow is typically accumulated.
• Derry - January »
  The month with the least rainfall in Derry is January, when the rain falls for 4.1 days and typically collects 0.75" (19mm) of precipitation. In Derry during January, the rain falls for 4.1 days and regularly aggregates up to 0.75" (19mm) of precipitation.
• Dover - January »
  In Dover in January, it is raining for 6.3 days, with typically 1.5" (38mm) of accumulated precipitation. January is the month that records the lowest temperatures in Dover, with averages ranging from a high of 31.6°F (-0.2°C) to a low of 20.7°F (-6.3°C).
• Rochester - January »
  In Rochester in January, snow falls for 10.4 days, with typically accumulated 6.26" (159mm) of snow. In Rochester, in January, snow falls for 10.4 days, with typically accumulated 6.26" (159mm) of snow.
• Salem - January »
  In Salem, New Hampshire, in January, snow falls for 8.5 days, with typically accumulated 3.46" (88mm) of snow. January in Salem, New Hampshire initiates the year with abundant cloud cover and a fair share of snowfall, comprising a snowfall of 3.46" (88mm) across 8.5 days.
• Merrimack - January »
  In Merrimack in January, snow falls for 7.1 days, with typically accumulated 2.4" (61mm) of snow. In Merrimack, New Hampshire, in January, during 4.1 rainfall days, 0.75" (19mm) of precipitation is typically accumulated.
• Londonderry - January »
  The month with the least rainfall in Londonderry is January, when the rain falls for 4.1 days and typically collects 0.75" (19mm) of precipitation. January, characterized by an average high temperature of 30.6°F (-0.8°C) and a low temperature of 18°F (-7.8°C), is generally the coldest month in Londonderry, New Hampshire.
• Keene - January »
  The month with the most snowfall in Keene is January, when snow falls for 9.2 days and typically aggregates up to 2.64" (67mm) of snow. January, known for its average high temperature of 27.9°F (-2.3°C) and an average low temperature of 15.1°F (-9.4°C), is the coldest month in Keene.
• Bedford - January »
  In Bedford, in January, during 7.1 snowfall days, 2.4" (61mm) of snow is typically accumulated. In Bedford, in January, during 7.1 snowfall days, 2.4" (61mm) of snow is typically accumulated.