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
January is Newtonville's coldest month, registering average high temperatures of 39°F (3.9°C) and lows of 27°F (-2.8°C).Humidity
In January, the average relative humidity is 74%.Rainfall
January is the month with the least rainfall in Newtonville, New Jersey. Rain falls for 6.3 days and accumulates 0.75" (19mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. The month with the most snowfall is January, when snow falls for 4.5 days and typically aggregates up to 1.38" (35mm) of snow.Daylight
In Newtonville, the average length of the day in January is 9h and 45min.On the first day of January, sunrise is at 7:19 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 5:17 pm EST.
Sunshine
In January, the average sunshine in Newtonville 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. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: A maximum daily UV index of 2 during January morphs into the following directions:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
Is January cold?
What is the average humidity in January?
What is the driest month?
How much does it rain in January?
When does it snow the most?
How much does it snow in January?
What is the average length of the day in January?
When is the sunrise / 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 reading in January in Newtonville?
Average temperature in January
Newtonville, NJ
- Average high temperature in January: 39°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in January: 27°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in January
Newtonville, NJ
- 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
Newtonville, NJ
- Average wind speed in January: 8.5mph
The windiest month (with the highest average wind speed) is April (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in January
Newtonville, NJ
- Average humidity in January: 74%
The months with the highest relative humidity are June, September and October (79%).
The month with the lowest relative humidity is April (72%).
Average rainfall in January
Newtonville, NJ
- Average rainfall in January: 0.75"
The wettest month (with the highest rainfall) is July (1.77").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days in January
Newtonville, NJ
- Average rainfall days in January: 6.3 days
The month with the highest number of rainy days is July (14.5 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in January
Newtonville, NJ
- Average snowfall in January: 1.38"
The month with the highest snowfall is January (1.38").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Newtonville, NJ
- Average snowfall days in January: 4.5 days
The month with the highest number of snowfall days is January (4.5 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
Newtonville, 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 1min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in January
Newtonville, NJ
- Average sunshine days in January: 20.6 days
The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is July (14.8 days).
Average UV index in January
Newtonville, 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, February, November and December (UV index 2).
Average cloud cover in January
Newtonville, NJ
- Average cloud cover in January: 45
The months with the most cloud cover are February and March (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 31).
Average visibility in January
Newtonville, 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).
Newtonville, New Jersey, USA
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