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
In Northfield, January records the lowest average temperatures, peaking at 40.1°F (4.5°C) and reaching a low of 30.6°F (-0.8°C).Humidity
In Northfield, the average relative humidity in January is 74%.Rainfall
January is the month with the least rainfall in Northfield. Rain falls for 8.2 days and accumulates 1.1" (28mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in Northfield, New Jersey. January is the month with the most snowfall. Snow falls for 4 days and accumulates 1.02" (26mm) of snow.Daylight
The average length of the day in January is 9h and 46min.On the first day of January in Northfield, sunrise is at 7:18 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 5:16 pm EST.
Sunshine
The average sunshine in January is 5.4h.UV index
The months with the lowest UV index in Northfield are January and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In January, the maximum UV index of 2 translates into these guidelines:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Frequently asked questions
What time of the year is the coldest in Northfield?
Is it cold in Northfield during January?
What is the average humidity in January in Northfield?
What is the driest month in Northfield?
How much does it rain in Northfield in January?
What is the snowiest month in Northfield?
How much does it snow in Northfield in January?
How many hours of daylight does Northfield have in January?
When are sunrise and sunset in January in Northfield?
How long on average sun shines in January in Northfield?
What is the month with the lowest UV index in Northfield?
How high is the UV index in January in Northfield?
Average temperature in January
Northfield, NJ
- Average high temperature in January: 40.1°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (40.1°F).
- Average low temperature in January: 30.6°F
The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in January
Northfield, NJ
- Average pressure in January: 30.08"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
Northfield, NJ
- Average wind speed in January: 11.7mph
The windiest month (with the highest average wind speed) is January (11.7mph).
The calmest month (with the lowest average wind speed) is August (8mph).
Average humidity in January
Northfield, NJ
- Average humidity in January: 74%
The months with the highest relative humidity are May and June (80%).
The month with the lowest relative humidity is November (73%).
Average rainfall in January
Northfield, NJ
- Average rainfall in January: 1.1"
The wettest month (with the highest rainfall) is August (2.01").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days in January
Northfield, NJ
- Average rainfall days in January: 8.2 days
The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in January
Northfield, NJ
- Average snowfall in January: 1.02"
The month with the highest snowfall is January (1.02").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Northfield, NJ
- Average snowfall days in January: 4 days
The month with the highest number of snowfall days is January (4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Northfield, NJ
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January: 5h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in January
Northfield, NJ
- Average sunshine days in January: 19.3 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (13.1 days).
Average UV index in January
Northfield, NJ
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in January
Northfield, NJ
- Average cloud cover in January: 41
The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in January
Northfield, NJ
- 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).
Northfield, New Jersey, USA
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