January weather forecastGoffstown, NH
January
Weather in January
Goffstown, New Hampshire experiences a chilly start to the year in January. The city is in the grip of winter with frequent snowfall. Temperatures often drop to 16.5°F (-8.6°C) at night, making it the coldest month of the year. Add in the fact that it has the fewest daylight hours, and January presents itself as a true winter month indeed. Sunlight averages around 5 hours a day and heavy cloud cover is commonplace.Temperature
Goffstown experiences its lowest temperatures in January, with an average peak of 29.5°F (-1.4°C) and a low of 16.5°F (-8.6°C).Humidity
In January, the average relative humidity is 82%.Rainfall
In January, the rain falls for 6.6 days. Throughout January, 1.89" (48mm) of precipitation is accumulated. Throughout the year, there are 138.6 rainfall days, and 26.18" (665mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Goffstown, in January, snow falls for 10.7 days, with typically accumulated 6.3" (160mm) of snow. In Goffstown, during the entire year, snow falls for 42 days and aggregates up to 25.83" (656mm) of snow.Daylight
In Goffstown, the average length of the day in January is 9h and 26min.On the first day of the month, sunrise is at 7:17 am and sunset at 4:21 pm. On the last day of January, sunrise is at 7:02 am and sunset at 4:56 pm EST.
Sunshine
The average sunshine in January is 5h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.Note: In January, a regular UV index of 2 translates into these guidelines:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Goffstown, NH
- Average high temperature in January: 29.5°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (29.5°F).
- Average low temperature in January: 16.5°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure in January
Goffstown, NH
- Average pressure in January: 30.01"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
Goffstown, NH
- Average wind speed in January: 8mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in January
Goffstown, NH
- Average humidity in January: 82%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (72%).
Average rainfall in January
Goffstown, NH
- Average rainfall in January: 1.89"
The wettest month (with the highest rainfall) is October (2.95").
The driest month (with the least rainfall) is September (1.46").
Average rainfall days in January
Goffstown, NH
- Average rainfall days in January: 6.6 days
The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is January (6.6 days).
Average snowfall in January
Goffstown, NH
- Average snowfall in January: 6.3"
The month with the highest snowfall is February (6.85").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Goffstown, NH
- Average snowfall days in January: 10.7 days
The month with the highest number of snowfall days is January (10.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Goffstown, 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 6min).
- 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 30min).
Average sunshine days in January
Goffstown, NH
- Average sunshine days in January: 16.6 days
The month with the most sunshine days is September (16.9 days).
The month with the least sunshine days is March (12.9 days).
Average UV index in January
Goffstown, NH
- Average UV index in January: 2
The months with the highest UV index are June, 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
Goffstown, NH
- Average cloud cover in January: 46
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in January
Goffstown, NH
- Average visibility in January: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).





