January weather forecastAmherst, NH
January
Weather in January
January, the same as December, in Amherst, New Hampshire, is another subzero cold winter month, with an average temperature fluctuating between 17.1°F (-8.3°C) and 29.7°F (-1.3°C).Temperature
During the coldest month, January, temperatures average a high of 29.7°F (-1.3°C) and a low of 17.1°F (-8.3°C).Humidity
The average relative humidity in January in Amherst is 81%.Rainfall
In Amherst, during January, the rain falls for 6.9 days and regularly aggregates up to 2.05" (52mm) of precipitation. Throughout the year, there are 146.9 rainfall days, and 28.15" (715mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Amherst, in January, snow falls for 9.3 days, with typically accumulated 6.22" (158mm) of snow. In Amherst, New Hampshire, during the entire year, snow falls for 38.3 days and aggregates up to 26.42" (671mm) of snow.Daylight
In Amherst, the average length of the day in January is 9h and 27min.On the first day of the month, sunrise is at 7:17 am and sunset at 4:22 pm. On the last day of January, in Amherst, New Hampshire, sunrise is at 7:02 am and sunset at 4:57 pm EST.
Sunshine
The average sunshine in January in Amherst, New Hampshire, is 5.1h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for average individuals.Note: A maximum high UV index of 2 in January translates into the following recommendations:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Amherst, NH
- Average high temperature in January: 29.7°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 (29.7°F).
- Average low temperature in January: 17.1°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in January
Amherst, 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
Amherst, NH
- Average wind speed in January: 8.1mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).
Average humidity in January
Amherst, NH
- Average humidity in January: 81%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (72%).
Average rainfall in January
Amherst, NH
- Average rainfall in January: 2.05"
The wettest month (with the highest rainfall) is October (3.03").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in January
Amherst, NH
- Average rainfall days in January: 6.9 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (6.9 days).
Average snowfall in January
Amherst, NH
- Average snowfall in January: 6.22"
The month with the highest snowfall is February (6.42").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Amherst, NH
- Average snowfall days in January: 9.3 days
The month with the highest number of snowfall days is February (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Amherst, 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 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in January
Amherst, NH
- Average sunshine days in January: 17.1 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is April (13.2 days).
Average UV index in January
Amherst, 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
Amherst, 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 33).
Average visibility in January
Amherst, NH
- Average visibility in January: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).





