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, with average temperatures reaching a high of 35.4°F (1.9°C) and a low of 24.3°F (-4.3°C), is the coldest month.Humidity
In Leonia, the average relative humidity in January is 75%.Rainfall
In Leonia, in January, it is raining for 8.8 days, with typically 2.17" (55mm) of accumulated precipitation. Throughout the year, in Leonia, there are 159.3 rainfall days, and 31.34" (796mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Leonia, in January, snow falls for 7 days, with typically accumulated 2.32" (59mm) of snow. Throughout the year, there are 24.9 snowfall days, and 10.2" (259mm) of snow is accumulated.Daylight
In Leonia, the average length of the day in January is 9h and 38min.On the first day of the month, sunrise is at 7:20 am and sunset at 4:38 pm. On the last day of January, sunrise is at 7:07 am and sunset at 5:11 pm EST.
Sunshine
In Leonia, New Jersey, the average sunshine in January is 5h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index, 2 during January, leads to the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
How cold is January?
What is the average humidity in January?
How many days does it rain in January?
How many days does it snow in January?
How many hours of daylight does Leonia have in January?
What time are sunrise and sunset in January?
How long on average sun shines in January?
What are the months with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Leonia, NJ
- Average high temperature in January: 35.4°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in January: 24.3°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in January
Leonia, NJ
- Average pressure in January: 30.06"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Leonia, NJ
- Average wind speed in January: 8.8mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).
Average humidity in January
Leonia, NJ
- Average humidity in January: 75%
The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is August (69%).
Average rainfall in January
Leonia, NJ
- Average rainfall in January: 2.17"
The wettest month (with the highest rainfall) is December (3.43").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in January
Leonia, NJ
- Average rainfall days in January: 8.8 days
The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in January
Leonia, NJ
- Average snowfall in January: 2.32"
The month with the highest snowfall is February (3.07").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Leonia, NJ
- Average snowfall days in January: 7 days
The month with the highest number of snowfall days is February (7.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Leonia, 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: 5h and 0min
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 36min).
Average sunshine days in January
Leonia, NJ
- Average sunshine days in January: 17 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (12.2 days).
Average UV index in January
Leonia, 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
Leonia, NJ
- Average cloud cover in January: 44
The months with the most cloud cover are February, March and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in January
Leonia, 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).
Leonia, New Jersey, USA
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