January weather forecastGlendale, NJ
January
Weather in January
January, like December, in Glendale, New Jersey, is another cold winter month, with an average temperature varying between 37.9°F (3.3°C) and 26.1°F (-3.3°C).Temperature
January, with average temperatures reaching a high of 37.9°F (3.3°C) and a low of 26.1°F (-3.3°C), is the coldest month.Humidity
The average relative humidity in January is 74%.Rainfall
The months with the least rainfall are January and September Rain falls for 6.5 days and accumulates 0.67" (17mm) of rain.Snowfall
Months with snowfall are January through March, May, November and December. In January, it is snowing for 3.5 days. Throughout January, 0.91" (23mm) of snow is accumulated. Throughout the year, there are 11.4 snowfall days, and 3.11" (79mm) of snow is accumulated.Daylight
In Glendale, the average length of the day in January is 9h and 41min.On the first day of the month, sunrise is at 7:21 am and sunset at 4:43 pm. On the last day of January, sunrise is at 7:09 am and sunset at 5:15 pm EST.
Sunshine
The average sunshine in January 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 estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 2 during January translates into the following directions:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Glendale, NJ
- Average high temperature in January: 37.9°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in January: 26.1°F
The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in January
Glendale, 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
Glendale, NJ
- Average wind speed in January: 8.1mph
The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in January
Glendale, NJ
- Average humidity in January: 74%
The month with the highest relative humidity is October (77%).
The month with the lowest relative humidity is April (71%).
Average rainfall in January
Glendale, NJ
- Average rainfall in January: 0.67"
The wettest month (with the highest rainfall) is August (1.38").
The driest months (with the least rainfall) are January and September (0.67").
Average rainfall days in January
Glendale, NJ
- Average rainfall days in January: 6.5 days
The month with the highest number of rainy days is July (13.7 days).
The month with the least rainy days is January (6.5 days).
Average snowfall in January
Glendale, NJ
- Average snowfall in January: 0.91"
The month with the highest snowfall is February (1.1").
The months with the least snowfall are April, June, July, August, September and October (0").
Average snowfall days in January
Glendale, NJ
- Average snowfall days in January: 3.5 days
The month with the highest number of snowfall days is January (3.5 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
Glendale, NJ
- Average daylight in January: 9h and 42min
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 24min).
- Average sunshine in January: 5h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in January
Glendale, NJ
- Average sunshine days in January: 20.8 days
The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is July (14.3 days).
Average UV index in January
Glendale, 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
Glendale, NJ
- Average cloud cover in January: 44
The months with the most cloud cover are February and March (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 31).
Average visibility in January
Glendale, 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).





