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
Rockwood's coldest weather arrives in January, when temperatures average a high of 39°F (3.9°C) and a low of 27.5°F (-2.5°C).Humidity
In January, the average relative humidity is 74%.Rainfall
January is the month with the least rainfall in Rockwood. Rain falls for 6.8 days and accumulates 0.67" (17mm) of precipitation.Snowfall
Months with snowfall in Rockwood are January through March, May, November and December. The month with the most snowfall in Rockwood is January, when snow falls for 3.7 days and typically aggregates up to 1.06" (27mm) of snow.Daylight
In January, the average length of the day in Rockwood, New Jersey, is 9h and 44min.On the first day of January in Rockwood, sunrise is at 7:19 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 5:16 pm EST.
Sunshine
The average sunshine in January is 5.2h.UV index
The months with the lowest UV index in Rockwood are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 2 during January translates into the following guidance:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Rockwood?
How cold is January in Rockwood?
What is the average humidity in January in Rockwood?
What is the driest month in Rockwood?
How much does it rain in Rockwood in January?
What is the snowiest month in Rockwood?
How much does it snow in Rockwood in January?
What is the average length of the day in January in Rockwood?
What time are sunrise and sunset in January in Rockwood?
How long on average sun shines in January in Rockwood?
What is the month with the lowest UV index in Rockwood?
How high is the UV index in January in Rockwood?
Average temperature in January
Rockwood, NJ
- Average high temperature in January: 39°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 (39°F).
- Average low temperature in January: 27.5°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (27.5°F).
Average pressure in January
Rockwood, 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
Rockwood, NJ
- Average wind speed in January: 8.9mph
The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in January
Rockwood, NJ
- Average humidity in January: 74%
The month with the highest relative humidity is June (79%).
The month with the lowest relative humidity is April (72%).
Average rainfall in January
Rockwood, NJ
- Average rainfall in January: 0.67"
The wettest month (with the highest rainfall) is July (1.54").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in January
Rockwood, NJ
- Average rainfall days in January: 6.8 days
The month with the highest number of rainy days is July (13.3 days).
The month with the least rainy days is November (6.7 days).
Average snowfall in January
Rockwood, NJ
- Average snowfall in January: 1.06"
The month with the highest snowfall is January (1.06").
The months with the least snowfall are April, June, July, August, September and October (0").
Average snowfall days in January
Rockwood, NJ
- Average snowfall days in January: 3.7 days
The month with the highest number of snowfall days is January (3.7 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
Rockwood, NJ
- Average daylight in January: 9h and 4min
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 42min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in January
Rockwood, NJ
- Average sunshine days in January: 20.8 days
The month with the most sunshine days is November (22.1 days).
The month with the least sunshine days is July (14.3 days).
Average UV index in January
Rockwood, 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
Rockwood, NJ
- Average cloud cover in January: 43
The months with the most cloud cover are February and March (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility in January
Rockwood, 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).
Rockwood, New Jersey, USA
Weather forecast for your location
2. Allow the app to use your location