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
The month of January sees the lowest average temperatures, reaching 33.8°F (1°C) at the peak and 21.6°F (-5.8°C) at the low.Humidity
The average relative humidity in January is 78%.Rainfall
In Northampton, in January, during 9.9 rainfall days, 2.32" (59mm) of precipitation is typically accumulated. Throughout the year, there are 162.5 rainfall days, and 31.69" (805mm) of precipitation is accumulated.Snowfall
Months with snowfall in Northampton are January through May, October through December. In Northampton, in January, snow falls for 9.2 days, with typically accumulated 3.94" (100mm) of snow. Throughout the year, there are 32.3 snowfall days, and 17.24" (438mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 39min.On the first day of the month, sunrise is at 7:25 am and sunset at 4:45 pm. On the last day of January, sunrise is at 7:12 am and sunset at 5:17 pm EST.
Sunshine
The average sunshine in January is 4.7h.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 hazard from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 2 during January translates into the following recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest?
How cold is it in 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?
When are sunrise and sunset in January?
How many hours of sunshine does Northampton have in January?
When is the lowest UV index?
How high is the UV index in January?
Average temperature in January
Northampton, PA
- Average high temperature in January: 33.8°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (33.8°F).
- Average low temperature in January: 21.6°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in January
Northampton, PA
- Average pressure in January: 30.08"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
Northampton, PA
- Average wind speed in January: 8.1mph
The windiest months (with the highest average wind speed) are January and March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in January
Northampton, PA
- Average humidity in January: 78%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and July (76%).
Average rainfall in January
Northampton, PA
- Average rainfall in January: 2.32"
The wettest month (with the highest rainfall) is July (3.19").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in January
Northampton, PA
- Average rainfall days in January: 9.9 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (9.9 days).
Average snowfall in January
Northampton, PA
- Average snowfall in January: 3.94"
The month with the highest snowfall is March (4.88").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Northampton, PA
- Average snowfall days in January: 9.2 days
The month with the highest number of snowfall days is February (9.7 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, PA
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January: 4h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in January
Northampton, PA
- Average sunshine days in January: 16.3 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is February (11.7 days).
Average UV index in January
Northampton, PA
- 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, November and December (UV index 2).
Average cloud cover in January
Northampton, PA
- Average cloud cover in January: 48
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in January
Northampton, PA
- 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).
Northampton, Pennsylvania, USA
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