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
With average high and low temperatures of 35.4°F (1.9°C) and 23°F (-5°C) respectively, January is Rockefellows Mills's coldest month.Humidity
In January, the average relative humidity in Rockefellows Mills is 76%.Rainfall
In Rockefellows Mills, in January, it is raining for 5.5 days, with typically 0.71" (18mm) of accumulated precipitation. In Rockefellows Mills, during the entire year, the rain falls for 112.6 days and collects up to 11.77" (299mm) of precipitation.Snowfall
January through May, November and December are months with snowfall in Rockefellows Mills. In January, in Rockefellows Mills, it is snowing for 4.6 days. Throughout January, 0.67" (17mm) of snow is accumulated. Throughout the year, there are 16.7 snowfall days, and 3.98" (101mm) of snow is accumulated.Daylight
In Rockefellows Mills, the average length of the day in January is 9h and 40min.On the first day of January, sunrise is at 7:22 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:15 pm EST.
Sunshine
The average sunshine in January in Rockefellows Mills 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 Rockefellows Mills. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 2 during January translates into these guidelines:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Frequently asked questions
What are the coldest months in Rockefellows Mills?
How cold is it in Rockefellows Mills in January?
What is the average humidity in January in Rockefellows Mills?
How many days does it rain in January in Rockefellows Mills?
How much does it snow in Rockefellows Mills in January?
What is the average length of the day in January in Rockefellows Mills?
When are sunrise and sunset in January in Rockefellows Mills?
How many hours of sunshine does Rockefellows Mills have in January?
What are the months with the lowest UV index in Rockefellows Mills?
How high is the UV index in January in Rockefellows Mills?
Average temperature in January
Rockefellows Mills, NJ
- Average high temperature in January: 35.4°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in January: 23°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (23°F).
Average pressure in January
Rockefellows Mills, 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 (29.93"Hg).
Average wind speed in January
Rockefellows Mills, NJ
- Average wind speed in January: 8.3mph
The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in January
Rockefellows Mills, NJ
- Average humidity in January: 76%
The months with the highest relative humidity are February and October (80%).
The month with the lowest relative humidity is April (75%).
Average rainfall in January
Rockefellows Mills, NJ
- Average rainfall in January: 0.71"
The wettest month (with the highest rainfall) is July (1.46").
The driest month (with the least rainfall) is September (0.63").
Average rainfall days in January
Rockefellows Mills, NJ
- Average rainfall days in January: 5.5 days
The month with the highest number of rainy days is May (13.1 days).
The month with the least rainy days is January (5.5 days).
Average snowfall in January
Rockefellows Mills, NJ
- Average snowfall in January: 0.67"
The month with the highest snowfall is March (1.1").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in January
Rockefellows Mills, NJ
- Average snowfall days in January: 4.6 days
The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Rockefellows Mills, NJ
- 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 5min
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
Rockefellows Mills, NJ
- Average sunshine days in January: 21.4 days
The month with the most sunshine days is November (22.2 days).
The month with the least sunshine days is June (15.6 days).
Average UV index in January
Rockefellows Mills, 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, March, November and December (UV index 2).
Average cloud cover in January
Rockefellows Mills, NJ
- Average cloud cover in January: 46
The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in January
Rockefellows Mills, NJ
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, November and December (6mi).
The months with the lowest visibility are May, September and October (5mi).
Rockefellows Mills, New Jersey, USA
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