January weather forecastSomersworth, NH
January
Weather in January
January in Somersworth, New Hampshire is characterized by the cold and snowy conditions that define a typical New England winter. This is the coldest month with the lowest temperatures hitting 17.4°F (-8.1°C) and the snowflakes don't hold back either, falling for about 10.4 days. Frosty air invades the city, plummeting mercury levels to the teens with endless cloud cover adding to the gloom. Despite the severe chill, life trudges on, albeit at a slower pace, with warm jackets, gloves, and scarves being essential accessories.Temperature
In Somersworth, the month of January registers the lowest temperatures, averaging 29.7°F (-1.3°C) at the peak and 17.4°F (-8.1°C) at the lowest.Humidity
The months with the highest humidity are January and February, with an average relative humidity of 82%.Rainfall
In Somersworth, in January, during 7.6 rainfall days, 2.28" (58mm) of precipitation is typically accumulated. In Somersworth, during the entire year, the rain falls for 143.1 days and collects up to 29.06" (738mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Somersworth, New Hampshire, during January, snow falls for 10.4 days and regularly aggregates up to 6.26" (159mm) of snow. In Somersworth, during the entire year, snow falls for 40 days and aggregates up to 27.8" (706mm) of snow.Daylight
In January, the average length of the day in Somersworth is 9h and 25min.On the first day of the month, sunrise is at 7:15 am and sunset at 4:18 pm. On the last day of January, sunrise is at 7:00 am and sunset at 4:53 pm EST.
Sunshine
In January, the average sunshine in Somersworth is 5h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Somersworth, New Hampshire. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 2 during January translates into these guidelines:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Somersworth, NH
- Average high temperature in January: 29.7°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in January: 17.4°F
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure in January
Somersworth, NH
- Average pressure in January: 29.99"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
Somersworth, NH
- Average wind speed in January: 9.3mph
The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in January
Somersworth, NH
- Average humidity in January: 82%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is April (75%).
Average rainfall in January
Somersworth, NH
- Average rainfall in January: 2.28"
The wettest months (with the highest rainfall) are October and December (3.11").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in January
Somersworth, NH
- Average rainfall days in January: 7.6 days
The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in January
Somersworth, NH
- Average snowfall in January: 6.26"
The month with the highest snowfall is December (6.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Somersworth, NH
- Average snowfall days in January: 10.4 days
The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Somersworth, NH
- Average daylight in January: 9h and 24min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January: 5h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in January
Somersworth, NH
- Average sunshine days in January: 16.3 days
The month with the most sunshine days is November (16.9 days).
The month with the least sunshine days is April (13.3 days).
Average UV index in January
Somersworth, NH
- Average UV index in January: 2
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in January
Somersworth, NH
- Average cloud cover in January: 45
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in January
Somersworth, NH
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, October, November and December (6mi).
The months with the lowest visibility are May, June, July, August and September (5mi).





