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, marked by an average high-temperature of 34.5°F (1.4°C) and a low-temperature of 21.6°F (-5.8°C), is the coldest month.Humidity
In Boonton, the average relative humidity in January is 77%.Rainfall
In Boonton, New Jersey, in January, during 8.2 rainfall days, 2.28" (58mm) of precipitation is typically accumulated. In Boonton, during the entire year, the rain falls for 161.2 days and collects up to 33.74" (857mm) of precipitation.Snowfall
Months with snowfall in Boonton, New Jersey, are January through May, October through December. In Boonton, in January, snow falls for 8.5 days, with typically accumulated 2.91" (74mm) of snow. Throughout the year, there are 30.9 snowfall days, and 15.79" (401mm) of snow is accumulated.Daylight
In Boonton, the average length of the day in January is 9h and 38min.On the first day of January in Boonton, sunrise is at 7:22 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:12 pm EST.
Sunshine
In Boonton, New Jersey, the average sunshine in January is 4.8h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Boonton. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high daily UV index of 2 during January translates into the following directions:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
What time of the year is the coldest in Boonton?
How cold is it in Boonton in January?
What is the average humidity in January in Boonton?
How many days does it rain in January in Boonton?
How much does it snow in Boonton in January?
What is the average length of the day in January in Boonton?
When is the sunrise / sunset in January in Boonton?
How long on average sun shines in January in Boonton?
What are the months with the lowest UV index in Boonton?
How high is the UV index in January in Boonton?
Average temperature in January
Boonton, NJ
- Average high temperature in January: 34.5°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (34.5°F).
- Average low temperature in January: 21.6°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in January
Boonton, NJ
- Average pressure in January: 30.06"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Boonton, NJ
- Average wind speed in January: 8.1mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in January
Boonton, NJ
- Average humidity in January: 77%
The months with the highest relative humidity are February, October and December (80%).
The month with the lowest relative humidity is April (74%).
Average rainfall in January
Boonton, NJ
- Average rainfall in January: 2.28"
The wettest month (with the highest rainfall) is December (3.43").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in January
Boonton, NJ
- Average rainfall days in January: 8.2 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in January
Boonton, NJ
- Average snowfall in January: 2.91"
The month with the highest snowfall is March (4.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Boonton, NJ
- Average snowfall days in January: 8.5 days
The month with the highest number of snowfall days is February (8.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Boonton, NJ
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in January
Boonton, NJ
- Average sunshine days in January: 16.5 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is April (11.2 days).
Average UV index in January
Boonton, NJ
- 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, March, November and December (UV index 2).
Average cloud cover in January
Boonton, NJ
- Average cloud cover in January: 47
The months with the most cloud cover are February, March and December (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility in January
Boonton, NJ
- Average visibility in January: 6mi
The months with the highest visibility are January, April, July, August, October, November and December (6mi).
The months with the lowest visibility are February, March, May, June and September (5mi).
Boonton, New Jersey, USA
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