January weather forecastNewton, NH
January
Weather in January
January, the same as December, is an icy winter month in Newton, New Hampshire, with temperature in the range of an average low of 20.5°F (-6.4°C) and an average high of 32.5°F (0.3°C).Temperature
The coldest month is January, with an average high-temperature of 32.5°F (0.3°C) and an average low-temperature of 20.5°F (-6.4°C).Humidity
In Newton, New Hampshire, the average relative humidity in January is 78%.Rainfall
In Newton, in January, during 3.6 rainfall days, 0.39" (10mm) of precipitation is typically accumulated. In Newton, during the entire year, the rain falls for 78.3 days and collects up to 5.43" (138mm) of precipitation.Snowfall
January through May, November and December are months with snowfall in Newton. In Newton, in January, during 3.7 snowfall days, 0.43" (11mm) of snow is typically accumulated. Throughout the year, there are 17.2 snowfall days, and 2.6" (66mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 27min.On the first day of January in Newton, New Hampshire, sunrise is at 7:14 am and sunset at 4:20 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 4:55 pm EST.
Sunshine
The average sunshine in January is 5.1h.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 value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: In January, a regular UV index of 2 translates into these guidelines:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Around midday, solar radiation is most harmful; hence, exposure should be limited. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Newton, NH
- Average high temperature in January: 32.5°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in January: 20.5°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in January
Newton, NH
- Average pressure in January: 30"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
Newton, NH
- Average wind speed in January: 9.5mph
The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in January
Newton, NH
- Average humidity in January: 78%
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (71%).
Average rainfall in January
Newton, NH
- Average rainfall in January: 0.39"
The wettest month (with the highest rainfall) is November (0.67").
The driest month (with the least rainfall) is September (0.2").
Average rainfall days in January
Newton, NH
- Average rainfall days in January: 3.6 days
The month with the highest number of rainy days is July (8.8 days).
The month with the least rainy days is January (3.6 days).
Average snowfall in January
Newton, NH
- Average snowfall in January: 0.43"
The month with the highest snowfall is December (0.71").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in January
Newton, NH
- Average snowfall days in January: 3.7 days
The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Newton, NH
- Average daylight in January: 9h and 30min
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 6min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in January
Newton, NH
- Average sunshine days in January: 24.5 days
The month with the most sunshine days is January (24.5 days).
The month with the least sunshine days is April (18.4 days).
Average UV index in January
Newton, 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
Newton, NH
- Average cloud cover in January: 44
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in January
Newton, NH
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





