January weather forecastNashua, NH
January
Weather in January
January in Nashua, New Hampshire brings chilly weather with average high temperatures reaching 30.9°F (-0.6°C), while the mercury drops as low as 18°F (-7.8°C) during the evening hours. As Nashua moves deeper into winter, it experiences increasing snowfalls, transforming the city into a winter wonderland. Despite the low temperature, periods of sunshine are not uncommon, offering a beautiful contrast against the winter landscape. Days are relatively short, with the city enveloped in darkness more often than not. Icy winds persist throughout January, furthering deep winter conditions.Temperature
Nashua notes the coldest temperatures in January, with a high average of 30.9°F (-0.6°C) and a low of 18°F (-7.8°C).Humidity
The average relative humidity in January in Nashua is 80%.Rainfall
In Nashua, in January, during 3.5 rainfall days, 0.55" (14mm) of precipitation is typically accumulated. Throughout the year, in Nashua, there are 91.2 rainfall days, and 7.24" (184mm) of precipitation is accumulated.Snowfall
Months with snowfall in Nashua are January through May, October through December. In Nashua, in January, snow falls for 6.5 days, with typically accumulated 1.1" (28mm) of snow. In Nashua, during the entire year, snow falls for 25 days and aggregates up to 5.91" (150mm) of snow.Daylight
In January, the average length of the day is 9h and 28min.On the first day of the month, sunrise is at 7:16 am and sunset at 4:22 pm. On the last day of January, sunrise is at 7:01 am and sunset at 4:56 pm EST.
Sunshine
In January, the average sunshine in Nashua is 5.1h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Nashua. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high daily UV index of 2 during January translates into the following directions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Enhance your sun protection with tightly woven, yet airy clothing. 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
Nashua, NH
- Average high temperature in January: 30.9°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (30.9°F).
- Average low temperature in January: 18°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in January
Nashua, 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
Nashua, NH
- Average wind speed in January: 8.1mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in January
Nashua, NH
- Average humidity in January: 80%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (71%).
Average rainfall in January
Nashua, NH
- Average rainfall in January: 0.55"
The wettest month (with the highest rainfall) is November (0.79").
The driest month (with the least rainfall) is September (0.28").
Average rainfall days in January
Nashua, NH
- Average rainfall days in January: 3.5 days
The month with the highest number of rainy days is June (10.4 days).
The month with the least rainy days is January (3.5 days).
Average snowfall in January
Nashua, NH
- Average snowfall in January: 1.1"
The months with the highest snowfall are February and December (1.26").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Nashua, NH
- Average snowfall days in January: 6.5 days
The month with the highest number of snowfall days is February (6.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Nashua, 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
Nashua, NH
- Average sunshine days in January: 22.6 days
The month with the most sunshine days is January (22.6 days).
The month with the least sunshine days is July (17.3 days).
Average UV index in January
Nashua, 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, November and December (UV index 2).
Average cloud cover in January
Nashua, 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 34).
Average visibility in January
Nashua, NH
- Average visibility in January: 6mi
The months with the highest visibility are January, March, April, November and December (6mi).
The months with the lowest visibility are February, May, June, July, August, September and October (5mi).
