Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
Northampton's January weather, with an average high temperature of 30.4°F (-0.9°C) and an average low temperature of 18°F (-7.8°C), tends to be the coldest of the year.Humidity
In January, the average relative humidity is 80%.Rainfall
In Northampton, in January, it is raining for 8.5 days, with typically 0.98" (25mm) of accumulated precipitation. Throughout the year, in Northampton, there are 134.1 rainfall days, and 14.84" (377mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, November and December. In Northampton, in January, during 7.3 snowfall days, 1.73" (44mm) of snow is typically accumulated. Throughout the year, there are 28.6 snowfall days, and 6.5" (165mm) of snow is accumulated.Daylight
In Northampton, the average length of the day in January is 9h and 30min.On the first day of January, sunrise is at 7:19 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:02 pm EST.
Sunshine
In Northampton, the average sunshine in January is 5.1h.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 2 during January translates into the following directions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in Northampton?
How cold is January?
What is the average humidity in January?
How many days does it rain in January?
How many days does it snow in January?
What is the average length of the day in January in Northampton?
When are sunrise and sunset in January?
How long on average sun shines in January?
What is the month with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Northampton, MA
- Average high temperature in January: 30.4°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (30.4°F).
- Average low temperature in January: 18°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in January
Northampton, MA
- Average pressure in January: 30.03"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
Northampton, MA
- Average wind speed in January: 8mph
The windiest months (with the highest average wind speed) are January, February and March (8mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in January
Northampton, MA
- Average humidity in January: 80%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (72%).
Average rainfall in January
Northampton, MA
- Average rainfall in January: 0.98"
The wettest month (with the highest rainfall) is October (1.61").
The driest month (with the least rainfall) is February (0.91").
Average rainfall days in January
Northampton, MA
- Average rainfall days in January: 8.5 days
The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is January (8.5 days).
Average snowfall in January
Northampton, MA
- Average snowfall in January: 1.73"
The month with the highest snowfall is February (1.85").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in January
Northampton, MA
- Average snowfall days in January: 7.3 days
The month with the highest number of snowfall days is February (7.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Northampton, MA
- Average daylight in January: 9h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January: 5h and 1min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in January
Northampton, MA
- Average sunshine days in January: 19 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is June (13.7 days).
Average UV index in January
Northampton, MA
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in January
Northampton, MA
- Average cloud cover in January: 46
The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in January
Northampton, MA
- 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).
Northampton, Massachusetts, USA
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