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 temperatures of 37.9°F (3.3°C) and lows of 26.1°F (-3.3°C), January is the coldest month.Humidity
The average relative humidity in January in Glendora is 74%.Rainfall
January and September are months with the least rain in Glendora when the rain falls for 6.5 days and typically aggregates up to 0.67" (17mm) of rain.Snowfall
January through March, May, November and December are months with snowfall. In Glendora, New Jersey, in January, during 3.5 snowfall days, 0.91" (23mm) of snow is typically accumulated. In Glendora, during the entire year, snow falls for 11.4 days and aggregates up to 3.11" (79mm) of snow.Daylight
In Glendora, the average length of the day in January is 9h and 44min.On the first day of the month, sunrise is at 7:21 am and sunset at 4:45 pm. On the last day of January, in Glendora, sunrise is at 7:09 am and sunset at 5:17 pm EST.
Sunshine
In January, the average sunshine 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 in Glendora. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index, 2 during January, leads to the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Glendora?
How cold is January in Glendora?
What is the average humidity in January in Glendora?
What is the driest month in Glendora?
How many days does it rain in January in Glendora?
How many days does it snow in January in Glendora?
How many hours of daylight does Glendora have in January?
When is the sunrise / sunset in January in Glendora?
How many hours of sunshine does Glendora have in January?
What are the months with the lowest UV index in Glendora?
What is the UV index intensity in January in Glendora?
Average temperature in January
Glendora, 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
Glendora, 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
Glendora, 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
Glendora, 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
Glendora, 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
Glendora, 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
Glendora, 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
Glendora, 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
Glendora, 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 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in January
Glendora, 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
Glendora, 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
Glendora, 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
Glendora, 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).
Glendora, New Jersey, USA
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